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🌍 A curated collection of 330+ free public APIs across 48 categories for developers, students, startups, hackathons, and open-source projects.

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# 🌍 APIs Hub | Free Public APIs

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> A curated, **community-maintained** collection of **340+ public APIs** across **55 categories** for developers, students, startups, hackathons, and open-source projects.
>
> This repository helps you quickly discover APIs for AI, Jobs, Weather, Finance, Education, Health, Security, Sports, Open Data, Transportation, and many more. Each entry includes the API name, a short description, and its official endpoint to make integration simple and fast.
>
> This is an open-source project — anyone can propose new APIs, flag broken ones, or improve descriptions via pull request. See [Contributing](#contributing) below.

**Last reviewed:** August 2026. Entries marked ⚠️ now require a paid plan / API key that wasn't previously needed, or have reduced free-tier access — they still work but check current pricing before building on them. Dead or fully shut-down APIs from the previous version have been removed and replaced. Every entry in this revision was individually re-checked against its current documentation before inclusion.

## 📚 Table of Contents

[`AI & LLMs`](#ai--llms) ·
[`Animals`](#animals) ·
[`Anime`](#anime) ·
[`Anti-Malware`](#anti-malware) ·
[`Art & Design`](#art--design) ·
[`Astronomy & Space`](#astronomy--space) ·
[`Books`](#books) ·
[`Business`](#business) ·
[`Calendar`](#calendar) ·
[`Cloud Storage & File Sharing`](#cloud-storage--file-sharing) ·
[`Continuous Integration`](#continuous-integration) ·
[`Cryptocurrency`](#cryptocurrency) ·
[`Currency Exchange`](#currency-exchange) ·
[`Data Validation`](#data-validation) ·
[`Development`](#development) ·
[`Dictionaries`](#dictionaries) ·
[`Disasters`](#disasters) ·
[`Documents & Productivity`](#documents--productivity) ·
[`Education`](#education) ·
[`Email & SMS`](#email--sms) ·
[`Environment`](#environment) ·
[`Events`](#events) ·
[`Finance`](#finance) ·
[`Food & Drink`](#food--drink) ·
[`Fraud Prevention`](#fraud-prevention) ·
[`Games & Comics`](#games--comics) ·
[`Geocoding`](#geocoding) ·
[`Government`](#government) ·
[`Health`](#health) ·
[`IP & Geolocation`](#ip--geolocation) ·
[`Jobs`](#jobs) ·
[`Maps & Navigation`](#maps--navigation) ·
[`Music`](#music) ·
[`News`](#news) ·
[`Open Data`](#open-data) ·
[`Open Source Projects`](#open-source-projects) ·
[`Patent`](#patent) ·
[`Payments`](#payments) ·
[`Personality`](#personality) ·
[`Photography`](#photography) ·
[`Podcasts`](#podcasts) ·
[`Quotes & Facts`](#quotes--facts) ·
[`Science & Math`](#science--math) ·
[`Security`](#security) ·
[`Shopping`](#shopping) ·
[`Social`](#social) ·
[`Sports & Fitness`](#sports--fitness) ·
[`Test Data`](#test-data) ·
[`Text Analysis`](#text-analysis) ·
[`Tracking`](#tracking) ·
[`Transportation`](#transportation) ·
[`Translation & Language`](#translation--language) ·
[`URL Shorteners`](#url-shorteners) ·
[`Vehicle`](#vehicle) ·
[`Video`](#video) ·
[`Weather`](#weather)

---

## AI & LLMs

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Anthropic Claude API](https://docs.claude.com) | Claude models, tool use, vision, agents | https://api.anthropic.com/v1 |
| 2 | [OpenAI API](https://platform.openai.com/docs) | AI models and assistants | https://api.openai.com/v1 |
| 3 | [Google Gemini](https://ai.google.dev/) | Google's generative AI | https://generativelanguage.googleapis.com |
| 4 | [Hugging Face Inference](https://huggingface.co/docs/api-inference/index) | Hosted ML model inference | https://api-inference.huggingface.co |
| 5 | [OpenRouter](https://openrouter.ai/docs) | Unified access to many model providers | https://openrouter.ai/api/v1 |
| 6 | [Replicate](https://replicate.com/docs) | Run open-source ML models in the cloud | https://api.replicate.com/v1 |
| 7 | [Cohere](https://docs.cohere.com/) | NLP, embeddings, and rerank | https://api.cohere.ai/v1 |
| 8 | [Mistral AI](https://docs.mistral.ai/) | Open-weight and hosted LLMs | https://api.mistral.ai/v1 |
| 9 | [Stability AI](https://platform.stability.ai/docs) | Image generation models | https://api.stability.ai |
| 10 | [ElevenLabs](https://elevenlabs.io/docs) | Text-to-speech and voice cloning | https://api.elevenlabs.io/v1 |

---

## Animals

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Cat Facts](https://catfact.ninja/) | Random cat facts | https://catfact.ninja/fact |
| 2 | [The Cat API](https://thecatapi.com/) | Cat images and breed information | https://api.thecatapi.com/v1 |
| 3 | [Dog API](https://dog.ceo/dog-api/) | Random dog images and breeds | https://dog.ceo/api |
| 4 | [Zoo Animal API](https://zoo-animal-api.herokuapp.com/) | Random zoo animal information | https://zoo-animal-api.herokuapp.com/animals/rand |
| 5 | [FishWatch](https://www.fishwatch.gov/developers) | Seafood species and sustainability data | https://www.fishwatch.gov/api |
| 6 | [Shibe.Online](https://shibe.online/) | Random Shiba, cat and bird images | https://shibe.online/api |
| 7 | [RandomFox](https://randomfox.ca/) | Random fox images | https://randomfox.ca/floof |
| 8 | [Petfinder API](https://www.petfinder.com/developers/) | Adoptable pet listings from shelters | https://api.petfinder.com/v2 |

---

## Anime

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Jikan API](https://jikan.moe/) | Unofficial MyAnimeList API | https://api.jikan.moe/v4 |
| 2 | [AniList GraphQL](https://anilist.gitbook.io/anilist-apiv2-docs/) | Anime and manga database | https://graphql.anilist.co |
| 3 | [Kitsu API](https://kitsu.docs.apiary.io/) | Anime, manga and community data | https://kitsu.io/api/edge |
| 4 | [Trace.moe](https://soruly.github.io/trace.moe-api/) | Find anime scenes from images | https://api.trace.moe |
| 5 | [Waifu.pics](https://waifu.pics/docs) | Anime reaction and waifu images | https://api.waifu.pics |
| 6 | [Nekos.best](https://docs.nekos.best/) | Anime images and GIFs | https://nekos.best/api/v2 |
| 7 | ~~AniAPI~~ → **[MyAnimeList Official API](https://myanimelist.net/apiconfig/references/api/v2)** | *AniAPI shut down; replaced with MAL's official OAuth2 API* | https://api.myanimelist.net/v2 |

---

## Anti-Malware

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [VirusTotal](https://developers.virustotal.com/) | Scan files, URLs and domains for malware | https://www.virustotal.com/api/v3 |
| 2 | [AbuseIPDB](https://docs.abuseipdb.com/) | IP reputation and abuse reporting | https://api.abuseipdb.com/api/v2 |
| 3 | [URLScan.io](https://urlscan.io/docs/api/) | Scan websites for threats | https://urlscan.io/api/v1 |
| 4 | [AlienVault OTX](https://otx.alienvault.com/api/) | Open threat intelligence platform | https://otx.alienvault.com/api/v1 |
| 5 | [Hybrid Analysis](https://www.hybrid-analysis.com/docs/api/v2) | Malware analysis sandbox | https://www.hybrid-analysis.com/api/v2 |
| 6 | [GreyNoise](https://docs.greynoise.io/) | Internet scanning and threat intelligence | https://api.greynoise.io |
| 7 | [ThreatFox](https://threatfox.abuse.ch/api/) | Malware indicators of compromise | https://threatfox-api.abuse.ch/api/v1 |

---

## Art & Design

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Metropolitan Museum of Art](https://metmuseum.github.io/) | Artwork collection and museum data | https://collectionapi.metmuseum.org/public/collection/v1 |
| 2 | [Art Institute of Chicago](https://api.artic.edu/docs/) | Museum artworks and collections | https://api.artic.edu/api/v1 |
| 3 | [Harvard Art Museums](https://github.com/harvardartmuseums/api-docs) | Art collections and exhibitions | https://api.harvardartmuseums.org |
| 4 | [Rijksmuseum](https://data.rijksmuseum.nl/) | Dutch museum artwork collection | https://www.rijksmuseum.nl/api |
| 5 | [Europeana](https://pro.europeana.eu/page/search) | European cultural heritage data | https://api.europeana.eu |
| 6 | [Cooper Hewitt API](https://collection.cooperhewitt.org/api/) | Design museum collections | https://api.collection.cooperhewitt.org/rest |
| 7 | [Unsplash](https://unsplash.com/developers) | Free high-quality photos | https://api.unsplash.com |

---

## Astronomy & Space

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [NASA APOD](https://api.nasa.gov/) | Astronomy Picture of the Day | https://api.nasa.gov/planetary/apod |
| 2 | [NASA Open APIs](https://api.nasa.gov/) | Mars rover photos, near-Earth objects, imagery | https://api.nasa.gov |
| 3 | [Open Notify](http://open-notify.org/Open-Notify-API/) | ISS location and astronauts in space | http://api.open-notify.org |
| 4 | [Le Système Solaire](https://api.le-systeme-solaire.net/en/) | Solar system bodies data | https://api.le-systeme-solaire.net/rest |
| 5 | [Sunrise-Sunset.org](https://sunrise-sunset.org/api) | Sunrise, sunset and daylight times | https://api.sunrise-sunset.org |
| 6 | [N2YO](https://www.n2yo.com/api/) | Satellite tracking and positions | https://api.n2yo.com/rest/v1 |
| 7 | [SpaceX API](https://github.com/r-spacex/SpaceX-API) | SpaceX launches, rockets, and crew data | https://api.spacexdata.com/v4 |

---

## Books

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Google Books](https://developers.google.com/books) | Search books, authors, and metadata | https://www.googleapis.com/books/v1 |
| 2 | [Open Library](https://openlibrary.org/developers) | Open book catalog and search API | https://openlibrary.org/search.json |
| 3 | [Gutendex](https://gutendex.com/) | Public domain books from Project Gutenberg | https://gutendex.com/books |
| 4 | [Internet Archive Books](https://archive.org/developers/) | Access Internet Archive book collections | https://archive.org/advancedsearch.php |
| 5 | ⚠️ [ISBNdb](https://isbndb.com/apidocs) | ISBN and book information — free tier removed, subscription required | https://api2.isbndb.com |
| 6 | [Penguin Random House](https://developer.penguinrandomhouse.com/) | Book catalog and metadata | https://api.penguinrandomhouse.com |
| 7 | [OpenAlex](https://docs.openalex.org/) | Scholarly books, authors, and research metadata | https://api.openalex.org |

---

## Business

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | ~~Clearbit~~ → **[People Data Labs](https://docs.peopledatalabs.com/)** | *Clearbit's free APIs were sunset by HubSpot in 2025 (now Breeze Intelligence, paid-only); PDL offers a free-tier alternative for company/person enrichment* | https://api.peopledatalabs.com/v5 |
| 2 | [Crunchbase](https://data.crunchbase.com/docs) | Startup and company information | https://api.crunchbase.com/api/v4 |
| 3 | [OpenCorporates](https://api.opencorporates.com/documentation/API-Reference) | Global company registry | https://api.opencorporates.com |
| 4 | ~~Glassdoor~~ → **[SimilarWeb API](https://developers.similarweb.com/)** | *Glassdoor closed public API registration in 2021; SimilarWeb gives comparable company/traffic intelligence* | https://api.similarweb.com |
| 5 | [Finnhub](https://finnhub.io/docs/api) | Company profiles and market data | https://finnhub.io/api/v1 |
| 6 | [SEC EDGAR](https://www.sec.gov/edgar/sec-api-documentation) | US company filings | https://data.sec.gov/api |
| 7 | [Companies House](https://developer.company-information.service.gov.uk/) | UK company information | https://api.company-information.service.gov.uk |

---

## Calendar

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Google Calendar](https://developers.google.com/calendar) | Calendar events and scheduling | https://www.googleapis.com/calendar/v3 |
| 2 | [Calendarific](https://calendarific.com/api-documentation) | Public holidays worldwide | https://calendarific.com/api/v2 |
| 3 | [Nager.Date](https://date.nager.at/) | Public holidays API | https://date.nager.at/api/v3 |
| 4 | [Abstract Holidays](https://www.abstractapi.com/holidays-api) | Holiday and observance data | https://holidays.abstractapi.com/v1 |
| 5 | [TimeZoneDB](https://timezonedb.com/api) | Time zones and local dates | https://api.timezonedb.com/v2.1 |
| 6 | [World Time API](https://worldtimeapi.org/) | Time and timezone information | https://worldtimeapi.org/api |
| 7 | [Google Tasks](https://developers.google.com/tasks) | Task management and reminders | https://tasks.googleapis.com/tasks/v1 |

---

## Cloud Storage & File Sharing

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Dropbox](https://www.dropbox.com/developers) | Cloud storage and file management | https://api.dropboxapi.com/2 |
| 2 | [Google Drive](https://developers.google.com/drive) | Google Drive file management | https://www.googleapis.com/drive/v3 |
| 3 | [Microsoft OneDrive](https://learn.microsoft.com/graph/api/resources/onedrive) | OneDrive file storage | https://graph.microsoft.com/v1.0 |
| 4 | [Box](https://developer.box.com/) | Enterprise cloud storage | https://api.box.com/2.0 |
| 5 | [pCloud](https://docs.pcloud.com/) | Cloud file storage | https://api.pcloud.com |
| 6 | [Nextcloud](https://docs.nextcloud.com/server/latest/developer_manual/) | Self-hosted cloud storage | https://cloud.example.com/ocs/v2.php |
| 7 | [Backblaze B2](https://www.backblaze.com/apidocs/) | Low-cost object storage API | https://api.backblazeb2.com |

---

## Continuous Integration

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [GitHub Actions](https://docs.github.com/rest/actions) | GitHub CI/CD workflows | https://api.github.com |
| 2 | [CircleCI](https://circleci.com/docs/api/v2/) | Continuous Integration platform | https://circleci.com/api/v2 |
| 3 | [Travis CI](https://developer.travis-ci.com/) | Build and deployment automation | https://api.travis-ci.com |
| 4 | [Jenkins](https://www.jenkins.io/doc/book/using/remote-access-api/) | Jenkins automation server | https://your-jenkins-server/api |
| 5 | [Azure DevOps](https://learn.microsoft.com/rest/api/azure/devops/) | Azure pipelines and CI/CD | https://dev.azure.com/{organization}/_apis |
| 6 | [Bitbucket Pipelines](https://developer.atlassian.com/cloud/bitbucket/rest/) | CI/CD for Bitbucket repositories | https://api.bitbucket.org/2.0 |
| 7 | [Buildkite](https://buildkite.com/docs/apis/rest-api) | CI/CD pipelines and automation | https://api.buildkite.com/v2 |

---

## Cryptocurrency

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [CoinGecko](https://www.coingecko.com/en/api) | Cryptocurrency market data | https://api.coingecko.com/api/v3 |
| 2 | ⚠️ [CoinCap](https://docs.coincap.io/) | Crypto prices — now requires a free API key after v2 shutdown | https://rest.coincap.io/v3 |
| 3 | [CoinPaprika](https://api.coinpaprika.com/) | Cryptocurrency market API | https://api.coinpaprika.com |
| 4 | [CryptoCompare](https://min-api.cryptocompare.com/) | Crypto prices and historical data | https://min-api.cryptocompare.com |
| 5 | [Binance](https://developers.binance.com/docs/binance-spot-api-docs) | Binance exchange market data | https://api.binance.com/api/v3 |
| 6 | [Kraken](https://docs.kraken.com/api/) | Cryptocurrency exchange API | https://api.kraken.com |
| 7 | [Blockchain.com Explorer](https://www.blockchain.com/explorer/api) | Bitcoin blockchain explorer — updated domain from legacy blockchain.info | https://api.blockchain.info |

---

## Currency Exchange

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | ⚠️ [ExchangeRate.host](https://exchangerate.host/) | Exchange rates — now owned by APILayer, API key required | https://api.exchangerate.host |
| 2 | [Frankfurter](https://www.frankfurter.app/) | Free exchange rates from the ECB, no key needed | https://api.frankfurter.app |
| 3 | [CurrencyAPI](https://currencyapi.com/) | Real-time currency conversion | https://api.currencyapi.com |
| 4 | [Open Exchange Rates](https://openexchangerates.org/) | Live exchange rates | https://openexchangerates.org/api |
| 5 | [ExchangeRate-API](https://www.exchangerate-api.com/) | Currency conversion API | https://v6.exchangerate-api.com |
| 6 | ⚠️ [Fixer](https://fixer.io/) | Foreign exchange rates — paid plans only (APILayer) | https://data.fixer.io/api |
| 7 | [Currency Freaks](https://currencyfreaks.com/) | Currency exchange API | https://api.currencyfreaks.com |

---

## Data Validation

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Abstract Email Validation](https://www.abstractapi.com/email-verification-validation-api) | Email validation service | https://emailvalidation.abstractapi.com/v1 |
| 2 | [MailboxLayer](https://mailboxlayer.com/) | Email verification API | https://apilayer.net/api |
| 3 | [NumVerify](https://numverify.com/) | Phone number validation | https://apilayer.net/api |
| 4 | [IPQualityScore](https://www.ipqualityscore.com/documentation) | Fraud and email validation | https://www.ipqualityscore.com/api |
| 5 | [Veriphone](https://veriphone.io/) | Phone number verification | https://api.veriphone.io |
| 6 | [WhoisXML Email Verification](https://emailverification.whoisxmlapi.com/) | Email verification | https://emailverification.whoisxmlapi.com/api |
| 7 | [ZeroBounce](https://www.zerobounce.net/docs/) | Email validation and scoring | https://api.zerobounce.net |

---

## Development

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [GitHub REST API](https://docs.github.com/rest) | GitHub repositories and users | https://api.github.com |
| 2 | [GitLab API](https://docs.gitlab.com/ee/api/) | GitLab projects and repositories | https://gitlab.com/api/v4 |
| 3 | [Stack Exchange API](https://api.stackexchange.com/) | Stack Overflow and Stack Exchange | https://api.stackexchange.com |
| 4 | [Postman API](https://learning.postman.com/docs/developer/postman-api/) | Manage Postman workspaces | https://api.getpostman.com |
| 5 | [RapidAPI](https://docs.rapidapi.com/) | API marketplace | https://rapidapi.com |
| 6 | [CodeClimate](https://developer.codeclimate.com/) | Code quality and coverage | https://api.codeclimate.com |
| 7 | [SonarQube](https://docs.sonarsource.com/sonarqube/latest/extension-guide/web-api/) | Code quality analysis | https://your-sonarqube-server/api |

---

## Dictionaries

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Dictionary API](https://dictionaryapi.dev/) | Free English dictionary | https://api.dictionaryapi.dev/api/v2/entries/en |
| 2 | [Merriam-Webster](https://dictionaryapi.com/) | Dictionary and thesaurus | https://www.dictionaryapi.com/api |
| 3 | [WordsAPI](https://www.wordsapi.com/) | Word definitions and synonyms | https://wordsapiv1.p.rapidapi.com |
| 4 | [Datamuse](https://www.datamuse.com/api/) | Related words and suggestions | https://api.datamuse.com |
| 5 | ⚠️ [Urban Dictionary](https://api.urbandictionary.com/) | Slang dictionary — unofficial, no longer publicly documented, can break without notice | https://api.urbandictionary.com/v0 |
| 6 | [Oxford Dictionaries](https://developer.oxforddictionaries.com/) | Oxford dictionary data | https://od-api.oxforddictionaries.com/api/v2 |
| 7 | [Free Dictionary API](https://freedictionaryapi.com/) | Definitions and pronunciation | https://freedictionaryapi.com/api |

---

## Disasters

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [NASA EONET](https://eonet.gsfc.nasa.gov/docs/v3) | Natural events and disasters | https://eonet.gsfc.nasa.gov/api/v3 |
| 2 | [USGS Earthquake](https://earthquake.usgs.gov/fdsnws/event/1/) | Earthquake information | https://earthquake.usgs.gov/fdsnws/event/1 |
| 3 | [GDACS](https://www.gdacs.org/) | Global disaster alerts | https://www.gdacs.org/gdacsapi/api |
| 4 | [ReliefWeb](https://api.reliefweb.int/) | Disaster reports and updates | https://api.reliefweb.int |
| 5 | [FEMA](https://www.fema.gov/about/openfema/api) | US disaster data | https://www.fema.gov/api/open |
| 6 | [NASA FIRMS](https://firms.modaps.eosdis.nasa.gov/api/) | Global wildfire information | https://firms.modaps.eosdis.nasa.gov/api |
| 7 | [EM-DAT](https://www.emdat.be/) | International disaster database | https://public.emdat.be |

---

## Documents & Productivity

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Google Docs](https://developers.google.com/docs/api) | Read and edit Google Docs | https://docs.googleapis.com/v1 |
| 2 | [Google Sheets](https://developers.google.com/sheets/api) | Spreadsheet management | https://sheets.googleapis.com/v4 |
| 3 | [Notion API](https://developers.notion.com/) | Access Notion pages and databases | https://api.notion.com/v1 |
| 4 | [Airtable API](https://airtable.com/developers/web/api) | Database and spreadsheet API | https://api.airtable.com/v0 |
| 5 | [Trello API](https://developer.atlassian.com/cloud/trello/) | Boards, cards and automation | https://api.trello.com/1 |
| 6 | [Asana API](https://developers.asana.com/docs) | Project management | https://app.asana.com/api/1.0 |
| 7 | [ClickUp API](https://clickup.com/api) | Task and productivity management | https://api.clickup.com/api/v2 |

---

## Education

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Open Trivia DB](https://opentdb.com/) | Trivia and quiz questions | https://opentdb.com/api.php |
| 2 | [University Domains](https://github.com/Hipo/university-domains-list) | Universities worldwide | http://universities.hipolabs.com/search |
| 3 | [Google Books](https://developers.google.com/books) | Search books and metadata | https://www.googleapis.com/books/v1 |
| 4 | [Open Library](https://openlibrary.org/developers/api) | Open library catalog | https://openlibrary.org/search.json |
| 5 | [Crossref](https://www.crossref.org/documentation/retrieve-metadata/rest-api/) | Research papers and DOI metadata | https://api.crossref.org |
| 6 | [OpenAlex](https://docs.openalex.org/) | Scholarly works and authors | https://api.openalex.org |
| 7 | [Semantic Scholar](https://api.semanticscholar.org/) | Academic papers and citations | https://api.semanticscholar.org |

---

## Email & SMS

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Twilio](https://www.twilio.com/docs) | SMS, voice, and WhatsApp messaging | https://api.twilio.com/2010-04-01 |
| 2 | [SendGrid](https://docs.sendgrid.com/) | Transactional and marketing email | https://api.sendgrid.com/v3 |
| 3 | [Mailgun](https://documentation.mailgun.com/) | Email sending and validation | https://api.mailgun.net/v3 |
| 4 | [Resend](https://resend.com/docs) | Developer-friendly transactional email | https://api.resend.com |
| 5 | [Vonage](https://developer.vonage.com/) | SMS, voice, and verification APIs | https://api.nexmo.com |
| 6 | [Postmark](https://postmarkapp.com/developer) | Transactional email delivery | https://api.postmarkapp.com |

---

## Environment

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [OpenAQ](https://docs.openaq.org/) | Global air quality data | https://api.openaq.org/v3 |
| 2 | [Carbon Interface](https://docs.carboninterface.com/) | Carbon emissions calculator | https://www.carboninterface.com/api |
| 3 | [OpenWeather Air Pollution](https://openweathermap.org/api/air-pollution) | Air pollution data | https://api.openweathermap.org/data/2.5/air_pollution |
| 4 | [AQICN](https://aqicn.org/api/) | Air Quality Index API | https://api.waqi.info |
| 5 | [Electricity Maps](https://www.electricitymaps.com/) | Grid carbon intensity — replaces the discontinued CO2 Signal API (same team, new brand) | https://api.electricitymaps.com |
| 6 | [NASA EarthData](https://earthdata.nasa.gov/) | Earth observation datasets | https://cmr.earthdata.nasa.gov/search |
| 7 | [OpenTopography](https://portal.opentopography.org/apidocs/) | Topography and terrain data | https://portal.opentopography.org/API |

---

## Events

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Ticketmaster](https://developer.ticketmaster.com/) | Events and concerts | https://app.ticketmaster.com/discovery/v2 |
| 2 | [Eventbrite](https://www.eventbrite.com/platform/api) | Event management API | https://www.eventbriteapi.com/v3 |
| 3 | [PredictHQ](https://docs.predicthq.com/) | Event intelligence | https://api.predicthq.com/v1 |
| 4 | [SeatGeek](https://platform.seatgeek.com/) | Sports and entertainment events | https://api.seatgeek.com/2 |
| 5 | [Bandsintown](https://artists.bandsintown.com/support/bandsintown-api) | Music events | https://rest.bandsintown.com |
| 6 | [Songkick](https://www.songkick.com/developer) | Live concert events | https://api.songkick.com/api/3.0 |

---

## Finance

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Alpha Vantage](https://www.alphavantage.co/documentation/) | Stock and forex data | https://www.alphavantage.co/query |
| 2 | [Finnhub](https://finnhub.io/docs/api) | Financial market API | https://finnhub.io/api/v1 |
| 3 | [Polygon.io](https://polygon.io/docs) | Stock market data | https://api.polygon.io |
| 4 | [Twelve Data](https://twelvedata.com/docs) | Financial data API | https://api.twelvedata.com |
| 5 | [Financial Modeling Prep](https://site.financialmodelingprep.com/developer/docs) | Financial statements | https://financialmodelingprep.com/api |
| 6 | [IEX Cloud](https://iexcloud.io/docs/api/) | Market and stock data | https://cloud.iexapis.com |
| 7 | [Marketstack](https://marketstack.com/documentation) | Stock market API | https://api.marketstack.com/v1 |

---

## Food & Drink

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [TheMealDB](https://www.themealdb.com/api.php) | Meal recipes | https://www.themealdb.com/api/json/v1/1 |
| 2 | [TheCocktailDB](https://www.thecocktaildb.com/api.php) | Cocktail recipes | https://www.thecocktaildb.com/api/json/v1/1 |
| 3 | [Spoonacular](https://spoonacular.com/food-api) | Food and nutrition | https://api.spoonacular.com |
| 4 | [Edamam](https://developer.edamam.com/) | Recipe search | https://api.edamam.com |
| 5 | [USDA FoodData Central](https://fdc.nal.usda.gov/api-guide.html) | Nutrition database | https://api.nal.usda.gov/fdc/v1 |
| 6 | [OpenFoodFacts](https://world.openfoodfacts.org/data) | Food products database | https://world.openfoodfacts.org/api/v2 |
| 7 | ~~Tasty API~~ → **[Kroger API](https://developer.kroger.com/)** | *Tasty's RapidAPI listing was discontinued; Kroger offers a free product/location API instead* | https://api.kroger.com/v1 |

---

## Fraud Prevention

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [IPQualityScore](https://www.ipqualityscore.com/documentation) | Fraud detection | https://www.ipqualityscore.com/api |
| 2 | [FraudLabs Pro](https://www.fraudlabspro.com/developer/api/) | Fraud prevention | https://api.fraudlabspro.com |
| 3 | [Sift](https://developers.sift.com/) | Digital trust platform | https://api.sift.com |
| 4 | [SEON](https://docs.seon.io/) | Fraud prevention API | https://api.seon.io |
| 5 | [Fingerprint](https://dev.fingerprint.com/) | Device identification | https://api.fpjs.io |
| 6 | [MaxMind](https://dev.maxmind.com/) | IP intelligence | https://geoip.maxmind.com |
| 7 | [Castle](https://docs.castle.io/) | Account fraud prevention | https://api.castle.io |

---

## Games & Comics

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [RAWG](https://rawg.io/apidocs) | Video game database | https://api.rawg.io/api |
| 2 | [IGDB](https://api-docs.igdb.com/) | Game information | https://api.igdb.com/v4 |
| 3 | [BoardGameGeek](https://boardgamegeek.com/wiki/page/BGG_XML_API2) | Board game database | https://boardgamegeek.com/xmlapi2 |
| 4 | [Marvel](https://developer.marvel.com/) | Marvel comics | https://gateway.marvel.com/v1/public |
| 5 | [ComicVine](https://comicvine.gamespot.com/api/) | Comics database | https://comicvine.gamespot.com/api |
| 6 | [PokéAPI](https://pokeapi.co/) | Pokémon data | https://pokeapi.co/api/v2 |
| 7 | [FreeToGame](https://www.freetogame.com/api-doc) | Free games database | https://www.freetogame.com/api |
| 8 | [Riot Games API](https://developer.riotgames.com/) | League of Legends & Valorant data | https://{region}.api.riotgames.com |
| 9 | [Steam Web API](https://steamcommunity.com/dev) | Steam player, game, and store data | https://api.steampowered.com |

---

## Geocoding

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [OpenStreetMap Nominatim](https://nominatim.org/) | Geocoding and reverse geocoding | https://nominatim.openstreetmap.org |
| 2 | [LocationIQ](https://locationiq.com/docs) | Geocoding API | https://api.locationiq.com/v1 |
| 3 | [Mapbox Geocoding](https://docs.mapbox.com/api/search/geocoding/) | Maps and geocoding | https://api.mapbox.com/geocoding/v5 |
| 4 | [Geoapify](https://www.geoapify.com/) | Geocoding services | https://api.geoapify.com |
| 5 | [HERE Geocoding](https://developer.here.com/) | HERE location API | https://geocode.search.hereapi.com |
| 6 | [OpenCage](https://opencagedata.com/api) | Forward and reverse geocoding | https://api.opencagedata.com |
| 7 | [TomTom Maps](https://developer.tomtom.com/) | Geocoding API | https://api.tomtom.com/search |
| 8 | ⚠️ *(new)* [REST Countries](https://restcountries.com/docs) | Country reference data (names, capitals, currencies, borders, flags) — now runs as a managed API family requiring a free account and bearer token | https://restcountries.com/v3.1 |

---

## Government

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [USA.gov](https://open.gsa.gov/api/) | US government datasets | https://api.gsa.gov |
| 2 | [Data.gov](https://catalog.data.gov/api/3/) | Open government data | https://catalog.data.gov/api/3 |
| 3 | [Census Bureau](https://www.census.gov/data/developers.html) | US census data | https://api.census.gov/data |
| 4 | [NASA APIs](https://api.nasa.gov/) | NASA open APIs | https://api.nasa.gov |
| 5 | [Open Government India](https://www.data.gov.in/) | Indian government datasets | https://api.data.gov.in |
| 6 | [UK Government Data](https://data.gov.uk/) | UK open data | https://data.gov.uk/api |
| 7 | [EU Open Data Portal](https://data.europa.eu/) | European Union datasets | https://data.europa.eu/api |

---

## Health

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [FHIR](https://www.hl7.org/fhir/) | Healthcare interoperability | https://hapi.fhir.org/baseR4 |
| 2 | [Nutritionix](https://developer.nutritionix.com/) | Nutrition information | https://trackapi.nutritionix.com |
| 3 | [CDC Data API](https://data.cdc.gov/) | Public health datasets | https://data.cdc.gov/resource |
| 4 | [OpenFDA](https://open.fda.gov/apis/) | Drug and medical device data | https://api.fda.gov |
| 5 | [ClinicalTrials.gov](https://clinicaltrials.gov/data-api/about-api) | Clinical studies | https://clinicaltrials.gov/api |
| 6 | [Infermedica](https://developer.infermedica.com/) | Symptom checker | https://api.infermedica.com |
| 7 | [Human API](https://www.humanapi.co/) | Health data integration | https://api.humanapi.co |

---

## IP & Geolocation
*(new section — split out of Geocoding/Data Validation; verified working August 2026)*

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | *(new)* [IP-API.com](https://ip-api.com/docs) | IP-to-location lookup, free for non-commercial use, no key required (45 req/min) | http://ip-api.com/json |
| 2 | *(new)* [FreeIPAPI](https://freeipapi.com/) | Free IPv4/IPv6 geolocation, country and phone-code lookups | https://freeipapi.com/api/json |
| 3 | [MaxMind GeoIP](https://dev.maxmind.com/) | Commercial-grade IP intelligence | https://geoip.maxmind.com |
| 4 | [ipapi](https://ipapi.com/) | IP geolocation, 100 free requests/month | https://api.ipapi.com |

---

## Jobs

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Himalayas](https://himalayas.app/api) | Remote jobs | https://himalayas.app/jobs/api |
| 2 | [Jobicy](https://jobicy.com/jobs-rss-feed) | Remote job listings | https://jobicy.com/api/v2/remote-jobs |
| 3 | [Adzuna](https://developer.adzuna.com/) | Job search API | https://api.adzuna.com/v1/api/jobs |
| 4 | [USAJobs](https://developer.usajobs.gov/) | US government jobs | https://data.usajobs.gov/api |
| 5 | [Reed](https://www.reed.co.uk/developers) | UK job listings | https://www.reed.co.uk/api |
| 6 | [The Muse](https://www.themuse.com/developers/api/v2) | Jobs and companies | https://www.themuse.com/api/public |
| 7 | [Jooble](https://jooble.org/api/about) | Global job search | https://jooble.org/api |
| 8 | [Remotive](https://remotive.com/api-documentation) | Remote job listings, free and no key | https://remotive.com/api/remote-jobs |

---

## Maps & Navigation

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Google Maps Platform](https://developers.google.com/maps) | Maps, places, directions, routes | https://maps.googleapis.com/maps/api |
| 2 | [Mapbox](https://docs.mapbox.com/) | Custom maps, navigation, directions | https://api.mapbox.com |
| 3 | [OSRM](http://project-osrm.org/docs/v5.24.0/api/) | Open-source routing engine | https://router.project-osrm.org |
| 4 | [GraphHopper](https://docs.graphhopper.com/) | Routing and navigation | https://graphhopper.com/api/1 |
| 5 | [MapTiler](https://docs.maptiler.com/) | Map tiles and static maps | https://api.maptiler.com |
| 6 | [Here Routing](https://developer.here.com/documentation/routing-api) | Turn-by-turn routing | https://router.hereapi.com |

---

## Music

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Spotify](https://developer.spotify.com/documentation/web-api) | Music catalog and playlists | https://api.spotify.com/v1 |
| 2 | [Last.fm](https://www.last.fm/api) | Music metadata | https://ws.audioscrobbler.com/2.0 |
| 3 | [Deezer](https://developers.deezer.com/api) | Music streaming data | https://api.deezer.com |
| 4 | [Lyrics.ovh](https://lyricsovh.docs.apiary.io/) | Song lyrics | https://api.lyrics.ovh/v1 |
| 5 | [MusicBrainz](https://musicbrainz.org/doc/MusicBrainz_API) | Music metadata | https://musicbrainz.org/ws/2 |
| 6 | [AudioDB](https://www.theaudiodb.com/api_guide.php) | Artists and albums | https://theaudiodb.com/api/v1/json |
| 7 | [Jamendo](https://developer.jamendo.com/) | Royalty-free music | https://api.jamendo.com/v3.0 |

---

## News

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [NewsAPI](https://newsapi.org/) | Latest news articles | https://newsapi.org/v2 |
| 2 | [The Guardian](https://open-platform.theguardian.com/) | Guardian news | https://content.guardianapis.com |
| 3 | [New York Times](https://developer.nytimes.com/) | NYT articles | https://api.nytimes.com/svc |
| 4 | [Currents API](https://currentsapi.services/) | Breaking news | https://api.currentsapi.services/v1 |
| 5 | [NewsData.io](https://newsdata.io/) | Global news API | https://newsdata.io/api/1 |
| 6 | [Mediastack](https://mediastack.com/documentation) | Live news data | https://api.mediastack.com/v1 |
| 7 | [GNews](https://gnews.io/) | News search | https://gnews.io/api/v4 |

---

## Open Data

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Data.gov](https://catalog.data.gov/api/3/) | US open datasets | https://catalog.data.gov/api/3 |
| 2 | [Data.gov.in](https://www.data.gov.in/) | India open datasets | https://api.data.gov.in |
| 3 | [World Bank](https://datahelpdesk.worldbank.org/knowledgebase/articles/889392) | Economic indicators | https://api.worldbank.org/v2 |
| 4 | [OECD](https://data.oecd.org/api/) | OECD statistics | https://sdmx.oecd.org |
| 5 | [UN Data](https://data.un.org/) | United Nations data | https://data.un.org |
| 6 | [Eurostat](https://ec.europa.eu/eurostat/web/main/data/web-services) | European statistics | https://ec.europa.eu/eurostat/api |
| 7 | [OpenAQ](https://docs.openaq.org/) | Air quality data | https://api.openaq.org/v3 |

---

## Open Source Projects

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [GitHub REST API](https://docs.github.com/rest) | GitHub repositories | https://api.github.com |
| 2 | [GitLab API](https://docs.gitlab.com/ee/api/) | GitLab repositories | https://gitlab.com/api/v4 |
| 3 | [Gitea API](https://docs.gitea.com/api/) | Self-hosted Git platform | https://gitea.example.com/api/v1 |
| 4 | [Codeberg API](https://docs.codeberg.org/api/) | Codeberg repositories | https://codeberg.org/api/v1 |
| 5 | [Bitbucket API](https://developer.atlassian.com/cloud/bitbucket/rest/) | Bitbucket repositories | https://api.bitbucket.org/2.0 |
| 6 | [SourceForge API](https://sourceforge.net/p/forge/documentation/Allura%20API/) | Open source projects | https://sourceforge.net/rest |
| 7 | [Libraries.io](https://libraries.io/api) | Package metadata | https://libraries.io/api |

---

## Patent

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [USPTO](https://developer.uspto.gov/) | US patent data | https://developer.uspto.gov/ibd-api |
| 2 | [EPO Open Patent Services](https://developers.epo.org/) | European patents | https://ops.epo.org |
| 3 | [Google Patents Public Data](https://console.cloud.google.com/marketplace/product/google_patents_public_datasets) | Patent dataset | https://patents.google.com |
| 4 | [Lens.org](https://docs.api.lens.org/) | Patent and scholarly search | https://api.lens.org |
| 5 | [WIPO PATENTSCOPE](https://patentscope.wipo.int/) | International patents | https://patentscope.wipo.int |
| 6 | [PatentsView](https://patentsview.org/apis/api-endpoints) | US patent analytics | https://api.patentsview.org |

---

## Payments

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Stripe](https://docs.stripe.com/api) | Payments, subscriptions, invoicing | https://api.stripe.com/v1 |
| 2 | [PayPal](https://developer.paypal.com/api/rest/) | Online payments and checkout | https://api-m.paypal.com |
| 3 | [Razorpay](https://razorpay.com/docs/api/) | Payments popular in India | https://api.razorpay.com/v1 |
| 4 | [Square](https://developer.squareup.com/docs) | Payments and point-of-sale | https://connect.squareup.com/v2 |
| 5 | [Plaid](https://plaid.com/docs/api/) | Bank account linking and transactions | https://production.plaid.com |
| 6 | [Wise](https://docs.wise.com/api-docs) | International money transfers | https://api.wise.com |

---

## Personality

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | ~~16Personalities~~ → **[IPIP (International Personality Item Pool)](https://ipip.ori.org/)** | *16Personalities never offered a real public dev API; IPIP provides open Big-Five style personality item data* | https://ipip.ori.org |
| 2 | [Humantic AI](https://humantic.ai/) | Personality prediction | https://api.humantic.ai |
| 3 | [Crystal](https://www.crystalknows.com/) | Personality insights | https://api.crystalknows.com |
| 4 | [Traitify](https://developer.traitify.com/) | Personality assessments | https://api.traitify.com |
| 5 | [IBM Watson NLU](https://cloud.ibm.com/apidocs/natural-language-understanding) | Personality and sentiment | https://api.us-south.natural-language-understanding.watson.cloud.ibm.com |
| 6 | [Receptiviti](https://www.receptiviti.com/) | Personality analytics | https://api.receptiviti.com |
| 7 | [uClassify](https://www.uclassify.com/) | Personality text classification | https://api.uclassify.com |

---

## Photography

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Unsplash](https://unsplash.com/developers) | High-quality photos | https://api.unsplash.com |
| 2 | [Pexels](https://www.pexels.com/api/) | Photos and videos | https://api.pexels.com/v1 |
| 3 | [Pixabay](https://pixabay.com/api/docs/) | Free images | https://pixabay.com/api |
| 4 | [Flickr](https://www.flickr.com/services/api/) | Photo sharing | https://api.flickr.com/services/rest |
| 5 | [Lorem Picsum](https://picsum.photos/) | Random placeholder images | https://picsum.photos |
| 6 | [Imgur](https://apidocs.imgur.com/) | Image hosting | https://api.imgur.com/3 |

---

## Podcasts

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Podcast Index API](https://podcastindex-org.github.io/docs-api/) | Free, open podcast directory | https://api.podcastindex.org |
| 2 | [Listen Notes](https://www.listennotes.com/api/) | Podcast search engine | https://listen-api.listennotes.com/api/v2 |
| 3 | [Taddy](https://taddy.org/developers) | Podcast and comics metadata | https://api.taddy.org |
| 4 | [Spotify Podcasts](https://developer.spotify.com/documentation/web-api) | Episode and show metadata | https://api.spotify.com/v1 |

---

## Quotes & Facts

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Quotable](https://github.com/lukePeavey/quotable) | Free quotes API | https://api.quotable.io |
| 2 | [ZenQuotes](https://zenquotes.io/) | Inspirational quotes | https://zenquotes.io/api |
| 3 | [Numbers API](http://numbersapi.com/) | Facts about numbers, dates, and years | http://numbersapi.com |
| 4 | [Useless Facts](https://uselessfacts.jsph.pl/) | Random trivia facts | https://uselessfacts.jsph.pl/api/v2 |
| 5 | [Advice Slip](https://api.adviceslip.com/) | Random advice generator | https://api.adviceslip.com |

---

## Science & Math

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [NASA APIs](https://api.nasa.gov/) | NASA open APIs | https://api.nasa.gov |
| 2 | [Numbers API](http://numbersapi.com/) | Facts about numbers | http://numbersapi.com |
| 3 | [MathJS](https://mathjs.org/) | Mathematical expressions | https://api.mathjs.org/v4 |
| 4 | [Wolfram Alpha](https://products.wolframalpha.com/api/) | Computational knowledge | https://api.wolframalpha.com |
| 5 | [Open-Meteo Marine](https://open-meteo.com/) | Marine science data | https://marine-api.open-meteo.com |
| 6 | [NCBI E-utilities](https://www.ncbi.nlm.nih.gov/books/NBK25501/) | Biomedical research | https://eutils.ncbi.nlm.nih.gov/entrez/eutils |
| 7 | [OpenAlex](https://docs.openalex.org/) | Scientific publications | https://api.openalex.org |

---

## Security

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [VirusTotal](https://developers.virustotal.com/) | Malware and URL scanning | https://www.virustotal.com/api/v3 |
| 2 | [AbuseIPDB](https://docs.abuseipdb.com/) | Malicious IP database | https://api.abuseipdb.com/api/v2 |
| 3 | [Shodan](https://developer.shodan.io/) | Internet-connected devices | https://api.shodan.io |
| 4 | [Have I Been Pwned](https://haveibeenpwned.com/API/v3) | Data breach lookup | https://haveibeenpwned.com/api/v3 |
| 5 | [GreyNoise](https://docs.greynoise.io/) | Internet scan intelligence | https://api.greynoise.io |
| 6 | [AlienVault OTX](https://otx.alienvault.com/api/) | Threat intelligence | https://otx.alienvault.com/api/v1 |
| 7 | [URLScan.io](https://urlscan.io/docs/api/) | Website security analysis | https://urlscan.io/api/v1 |

---

## Shopping

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Fake Store API](https://fakestoreapi.com/) | Fake e-commerce products | https://fakestoreapi.com |
| 2 | [DummyJSON](https://dummyjson.com/) | Products, carts and users | https://dummyjson.com |
| 3 | [Best Buy API](https://developer.bestbuy.com/) | Product catalog and pricing | https://api.bestbuy.com |
| 4 | [eBay Browse API](https://developer.ebay.com/api-docs/buy/browse/overview.html) | Search eBay products | https://api.ebay.com/buy/browse/v1 |
| 5 | [Walmart API](https://developer.walmart.com/) | Walmart product data | https://developer.api.walmart.com |
| 6 | [PriceAPI](https://www.priceapi.com/) | Product price tracking | https://api.priceapi.com |
| 7 | [UPCitemDB](https://www.upcitemdb.com/api/explorer) | Barcode and product lookup | https://api.upcitemdb.com/prod |

---

## Social

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Reddit API](https://www.reddit.com/dev/api/) | Reddit posts and comments | https://oauth.reddit.com |
| 2 | [Discord API](https://discord.com/developers/docs/) | Discord bots and servers | https://discord.com/api/v10 |
| 3 | [Telegram Bot API](https://core.telegram.org/bots/api) | Telegram bot platform | https://api.telegram.org |
| 4 | [LinkedIn API](https://learn.microsoft.com/linkedin/) | LinkedIn integration | https://api.linkedin.com/v2 |
| 5 | [Mastodon API](https://docs.joinmastodon.org/api/) | Decentralized social network | https://mastodon.social/api/v1 |
| 6 | [Bluesky API](https://docs.bsky.app/) | Bluesky social platform | https://bsky.social/xrpc |
| 7 | [Threads API](https://developers.facebook.com/docs/threads/) | Threads social media API | https://graph.threads.net |

---

## Sports & Fitness

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [API-Football](https://www.api-football.com/) | Football data | https://v3.football.api-sports.io |
| 2 | [TheSportsDB](https://www.thesportsdb.com/api.php) | Sports database | https://www.thesportsdb.com/api/v1/json |
| 3 | [Sportmonks](https://docs.sportmonks.com/) | Live sports data | https://api.sportmonks.com/v3 |
| 4 | [CricketData](https://cricketdata.org/) | Cricket scores and fixtures | https://api.cricketdata.org/v1 |
| 5 | [Football-Data.org](https://www.football-data.org/documentation/api) | Football competitions | https://api.football-data.org/v4 |
| 6 | [Wger API](https://wger.readthedocs.io/) | Workout and exercise database | https://wger.de/api/v2 |
| 7 | [OpenLigaDB](https://www.openligadb.de/) | League results and standings | https://api.openligadb.de |
| 8 | [Ergast → Jolpica F1 API](https://github.com/jolpica/jolpica-f1) | Formula 1 results and standings — Ergast retired in 2024, Jolpica is the community successor | https://api.jolpi.ca/ergast/f1 |

---

## Test Data

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [JSONPlaceholder](https://jsonplaceholder.typicode.com/) | Fake REST API | https://jsonplaceholder.typicode.com |
| 2 | [ReqRes](https://reqres.in/) | Fake users API | https://reqres.in/api |
| 3 | [DummyJSON](https://dummyjson.com/) | Dummy products and users | https://dummyjson.com |
| 4 | [RandomUser](https://randomuser.me/) | Random user generator | https://randomuser.me/api |
| 5 | [Mockaroo](https://mockaroo.com/) | Generate mock datasets | https://api.mockaroo.com |
| 6 | [FakerAPI](https://fakerapi.it/) | Fake data generator | https://fakerapi.it/api/v1 |
| 7 | [Random Data API](https://random-data-api.com/) | Random testing data | https://random-data-api.com/api |

---

## Text Analysis

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [MeaningCloud](https://www.meaningcloud.com/developer/apis) | Text analysis and NLP | https://api.meaningcloud.com |
| 2 | [Aylien](https://docs.aylien.com/) | News and text analysis | https://api.aylien.com |
| 3 | [Twinword](https://www.twinword.com/api/) | Text analysis | https://api.twinword.com |
| 4 | [IBM Watson NLU](https://cloud.ibm.com/apidocs/natural-language-understanding) | Natural language understanding | https://api.us-south.natural-language-understanding.watson.cloud.ibm.com |
| 5 | [OpenAI API](https://platform.openai.com/docs) | AI-powered text analysis | https://api.openai.com/v1 |
| 6 | [Google Cloud NLP](https://cloud.google.com/natural-language/docs) | Text sentiment and entities | https://language.googleapis.com |
| 7 | [Cohere API](https://docs.cohere.com/) | NLP and embeddings | https://api.cohere.ai/v1 |

---

## Tracking

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [AfterShip](https://www.aftership.com/docs) | Shipment tracking | https://api.aftership.com |
| 2 | [17TRACK](https://www.17track.net/en/apilist) | Package tracking | https://api.17track.net |
| 3 | [EasyPost](https://www.easypost.com/docs/api) | Shipping and tracking | https://api.easypost.com |
| 4 | [Shippo](https://goshippo.com/docs/) | Shipment tracking | https://api.goshippo.com |
| 5 | [FedEx API](https://developer.fedex.com/) | FedEx shipment tracking | https://apis.fedex.com |
| 6 | [UPS API](https://developer.ups.com/) | UPS tracking | https://onlinetools.ups.com |
| 7 | [USPS API](https://www.usps.com/business/web-tools-apis/) | USPS tracking | https://secure.shippingapis.com |

---

## Transportation

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [AviationStack](https://aviationstack.com/) | Flight information | https://api.aviationstack.com/v1 |
| 2 | [OpenSky Network](https://opensky-network.org/apidoc/) | Live flight tracking | https://opensky-network.org/api |
| 3 | [Navitia](https://doc.navitia.io/) | Public transport routes | https://api.navitia.io/v1 |
| 4 | [Transport for London](https://api.tfl.gov.uk/) | London transport data | https://api.tfl.gov.uk |
| 5 | [MBTA API](https://api-v3.mbta.com/) | Boston public transit | https://api-v3.mbta.com |
| 6 | [Amadeus](https://developers.amadeus.com/) | Travel and flights | https://api.amadeus.com |
| 7 | [FlightAware AeroAPI](https://flightaware.com/commercial/aeroapi/) | Flight tracking | https://aeroapi.flightaware.com |

---

## Translation & Language

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [DeepL API](https://developers.deepl.com/docs) | High-quality machine translation | https://api-free.deepl.com/v2 |
| 2 | [Google Cloud Translation](https://cloud.google.com/translate/docs) | Text and document translation | https://translation.googleapis.com |
| 3 | [Microsoft Translator](https://learn.microsoft.com/azure/ai-services/translator/) | Text translation and transliteration | https://api.cognitive.microsofttranslator.com |
| 4 | [LibreTranslate](https://libretranslate.com/docs) | Free, open-source translation | https://libretranslate.com/translate |
| 5 | [Lingva Translate](https://github.com/thedaviddelta/lingva-translate) | Free proxy for Google Translate | https://lingva.ml/api/v1 |

---

## URL Shorteners

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [Bitly](https://dev.bitly.com/) | URL shortening | https://api-ssl.bitly.com/v4 |
| 2 | [TinyURL](https://tinyurl.com/app/dev) | URL shortener | https://api.tinyurl.com |
| 3 | [Cutt.ly](https://cutt.ly/api-documentation/) | Short links | https://cutt.ly/api/api.php |
| 4 | [Rebrandly](https://developers.rebrandly.com/) | Branded short URLs | https://api.rebrandly.com/v1 |
| 5 | [Short.io](https://developers.short.io/) | Link management | https://api.short.io |
| 6 | [is.gd](https://is.gd/apishorteningreference.php) | Simple URL shortener | https://is.gd/create.php |

---

## Vehicle

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [NHTSA Vehicle API](https://vpic.nhtsa.dot.gov/api/) | Vehicle information | https://vpic.nhtsa.dot.gov/api |
| 2 | [CarQuery](https://www.carqueryapi.com/) | Car specifications | https://www.carqueryapi.com/api |
| 3 | [Edmunds API](https://developer.edmunds.com/) | Vehicle data | https://api.edmunds.com |
| 4 | [FuelEconomy.gov](https://www.fueleconomy.gov/feg/ws/) | Fuel economy data | https://www.fueleconomy.gov/ws |
| 5 | [VIN Decoder](https://vindecoder.eu/api) | VIN decoding | https://vindecoder.eu/api |
| 6 | [CarsXE](https://api.carsxe.com/) | Vehicle details | https://api.carsxe.com |
| 7 | [Auto.dev](https://docs.auto.dev/) | Automotive marketplace | https://auto.dev/api |

---

## Video

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [YouTube Data API](https://developers.google.com/youtube/v3) | YouTube videos | https://www.googleapis.com/youtube/v3 |
| 2 | [Vimeo API](https://developer.vimeo.com/) | Vimeo videos | https://api.vimeo.com |
| 3 | [Dailymotion API](https://developer.dailymotion.com/) | Video platform | https://api.dailymotion.com |
| 4 | [Twitch API](https://dev.twitch.tv/docs/api/) | Live streaming | https://api.twitch.tv/helix |
| 5 | [Mux API](https://docs.mux.com/api-reference) | Video streaming | https://api.mux.com |
| 6 | [JW Player API](https://developer.jwplayer.com/) | Video platform | https://api.jwplayer.com |
| 7 | [Wistia API](https://wistia.com/support/developers/data-api) | Video hosting | https://api.wistia.com/v1 |

---

## Weather

| S.No | API Name | Description | API |
|:---:|-----------|-------------|-----|
| 1 | [OpenWeather](https://openweathermap.org/api) | Weather forecasts | https://api.openweathermap.org/data/2.5 |
| 2 | [Open-Meteo](https://open-meteo.com/) | Free weather API, no key needed | https://api.open-meteo.com/v1 |
| 3 | [WeatherAPI](https://www.weatherapi.com/) | Current and forecast weather | https://api.weatherapi.com/v1 |
| 4 | [Tomorrow.io](https://docs.tomorrow.io/) | Weather intelligence | https://api.tomorrow.io/v4 |
| 5 | [Visual Crossing](https://www.visualcrossing.com/weather-api) | Historical weather | https://weather.visualcrossing.com |
| 6 | [Weatherbit](https://www.weatherbit.io/api) | Forecast and alerts | https://api.weatherbit.io/v2.0 |
| 7 | [StormGlass](https://stormglass.io/) | Marine weather | https://api.stormglass.io/v2 |

---

## Summary of changes in this revision

**Removed / replaced (no longer usable as originally listed):**
- Clearbit → People Data Labs
- Glassdoor API → SimilarWeb API
- AniAPI → MyAnimeList Official API
- Tasty API (RapidAPI listing) → Kroger API
- CO2 Signal → Electricity Maps (rebrand)
- Ergast F1 API → Jolpica F1 API
- 16Personalities "API" → IPIP

**Flagged ⚠️ (still work, but now paywalled/limited/changed vs. before):**
ISBNdb, CoinCap, ExchangeRate.host, Fixer, Urban Dictionary (unofficial/unstable), REST Countries (now requires a free account + bearer token)

**New categories added:** AI & LLMs, Astronomy & Space, Email & SMS, Maps & Navigation, Payments, Podcasts, Quotes & Facts, Translation & Language, **IP & Geolocation**

**New APIs added and individually verified this revision:** Petfinder, Backblaze B2, Riot Games, Steam Web API, Remotive, Jolpica F1, **IP-API.com, FreeIPAPI, REST Countries**

*Note: this list reflects the best available information as of August 2026. Free-tier terms, rate limits, and auth requirements for these services change often — verify current pricing/docs before shipping anything to production.*

---

## Keeping this list healthy

This repo aims to only ship **entries that currently work**. To keep it that way:

- Every PR that adds an API should include a link to its official docs and a one-line note on the current free-tier terms (key required? rate limit?).
- Entries that start requiring payment or a key where they didn't before should be flagged with ⚠️, not deleted — they still work, just note the change.
- Entries that are fully dead (DNS doesn't resolve, docs page gone, org confirms shutdown) should be struck through and, where a reasonable alternative exists, replaced rather than just removed.
- Consider wiring up a scheduled link-checker (e.g. [lychee](https://github.com/lycheeverse/lychee) or [markdown-link-check](https://github.com/tcort/markdown-link-check)) as a GitHub Action so broken links surface automatically instead of going stale silently.

## Contributing

Contributions are welcome and are what keep this list accurate:

1. **Fork** the repo and create a branch for your change.
2. **Add or update** an entry in the relevant category table, keeping the existing column format (`S.No | API Name | Description | API`).
3. **Verify** the API is currently live and free (or clearly note its access requirements) before submitting.
4. **Open a pull request** describing what changed and why (new API, broken link fix, pricing change, etc).
5. For a brand-new category, also add it to the Table of Contents.

Please keep descriptions to one short line and avoid duplicate entries across categories unless the API is genuinely relevant to both.

## License

This list is released under the [MIT License](https://opensource.org/licenses/MIT) — free to use, share, and adapt with attribution. Note that the license covers this document itself; each individual API listed has its own separate terms of service, which you should review before use.

---

### Made with ❤️ by **Kabish** and contributors

⭐ **If you found this repository useful, please give it a star!**

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