CaptchaSharp

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.NET universal interface for the Web APIs of all major captcha solving services

CaptchaSharp 최신버젼 다운로드

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# CaptchaSharp
A .NET library that implements the APIs of the most used **captcha solving services** out there.
The library is fully documented, asynchronous and very easy to use.

All services derive from the same `CaptchaService` class and have the same code API, so it's very easy to switch between services!

## Supported Services
This library supports the following captcha solving services
- [2captcha.com](https://2captcha.com/)
- [anti-captcha.com](https://anti-captcha.com/)
- [deathbycaptcha.com](https://deathbycaptcha.com/)
- [imagetyperz.com](https://www.imagetyperz.com/)
- [capmonster.cloud](https://capmonster.cloud/)
- [captchacoder.com](https://captchacoder.com/)
- [humancoder.com](https://humancoder.com/)
- [azcaptcha.com](https://azcaptcha.com/)
- [captchas.io](https://captchas.io/)
- [9kw.eu](https://www.9kw.eu/)
- [truecaptcha.com](https://truecaptcha.com/)
- [rucaptcha.com](https://rucaptcha.com/)
- [nopecha.com](https://nopecha.com/)
- [nocaptchaai.com](https://nocaptchaai.com/)
- [metabypass.tech](https://metabypass.tech/)
- [captchaai.com](https://captchaai.com/)
- [nextcaptcha.com](https://nextcaptcha.com/)
- [ez-captcha.com](https://ez-captcha.com/)
- [endcaptcha.com](https://endcaptcha.com/)
- [bestcaptchasolver.com](https://bestcaptchasolver.com/)
- [solvecaptcha.net](https://solvecaptcha.net/)
- [cap.guru](https://cap.guru/)
- [aycd.io](https://aycd.io/)
- [capsolver.com](https://capsolver.com/)

## Supported Captcha Types
This library supports the following captcha types
- Text (with language options)
- Image (with options like phrase, case sensitivity, calculations)
- ReCaptcha v2 (incl. invisible, enterprise)
- ReCaptcha v3 (incl. enterprise)
- ArkoseLabs FunCaptcha
- HCaptcha (incl. invisible, enterprise)
- KeyCaptcha
- GeeTest v3
- GeeTest v4
- Capy
- DataDome
- Cloudflare Turnstile
- Cloudflare Challenge page
- Lemin Cropped
- Amazon WAF
- Cyber SiARA
- MT Captcha
- CutCaptcha
- Friendly Captcha
- atb Captcha
- Tencent Captcha
- Audio Captcha (with language options)
- ReCaptcha Mobile

Additional supported features:
- Proxies
- User-Agent
- Cookies

## Availability Table

![Availability Table Logo](https://raw.githubusercontent.com/openbullet/CaptchaSharp/master/availability_table_logo.png)

**Not every captcha type is supported by each service! You can find a spreadsheet with a breakdown of the supported captcha types for each implemented service at the link below**

[CaptchaSharp Services Availability](https://1drv.ms/x/s!Al8HxSfx2JL3ePfRK23aUt34eCk?e=WNCPh9)

## Adding CaptchaSharp to your project
Simply install the nuget package via

`Install-Package CaptchaSharp`

## Usage
First of all, initialize your solver of choice by providing your credentials, for example
```csharp
CaptchaService service = new TwoCaptchaService("MY_API_KEY");
```

You can get your remaining balance like this
```csharp
decimal balance = await service.GetBalanceAsync();
```

If the provided credentials are wrong, the method above will return a `BadAuthenticationException`.

If the credentials are correct and the balance is greater than the minimum required for solving a captcha, you can proceed to solve a captcha (e.g., a ReCaptchaV2 task) like this.

```csharp
StringResponse solution = await service.SolveRecaptchaV2Async("site key", "site url");
```

The method above can throw the following exceptions:
- `TaskCreationException` when the task could not be created, for example due to zero balance or incorrect parameters.
- `TaskSolutionException` when the task could not be completed, for example when an image captcha cannot be decoded.
- `TimeoutException` when the captcha solution took too long to complete.

You can configure a custom timeout like this

```csharp
service.Timeout = TimeSpan.FromMinutes(3);
```

The returned solution will contain two fields:

-   an `Id` which you can use for reporting a bad solution (if the service supports it) like this
    ```csharp
    await service.ReportSolutionAsync(solution.Id, CaptchaType.ReCaptchaV2);
    ```
    if the report failed, the method above will throw a `TaskReportException`.

-   your solution as plaintext
    ```csharp
    Console.WriteLine($"The solution is {solution.Response}");
    ```

If a method or some of its parameters are not supported, a `NotSupportedException` or `ArgumentException` will be thrown.

## Proxy, User-Agent, and Cookies
Some services and captcha types can accept additional parameters, like a proxy, user-agent, or cookies.

```csharp
var sessionParams = new SessionParams
{
    Proxy = new Proxy(
        host: "proxy.example.com",
        port: 8080,
        type: ProxyType.HTTP,
        username: "proxy_username", // optional
        password: "proxy_password" // optional
    ),
    UserAgent = "Mozilla/5.0 ...", // make sure to use an up-to-date user-agent
    Cookies = new Dictionary<string, string>
    {
        { "cookie_name_1", "cookie_value_1" },
        { "cookie_name_2", "cookie_value_2" }
    }
};

// Solve a captcha with session parameters
StringResponse solution = await service.SolveRecaptchaV2Async(
    "site key", "site url", sessionParams: sessionParams);

Console.WriteLine($"The solution is {solution.Response}");
```

All session parameters are optional, and you can provide only the ones you need.

## The service I want to use is not implemented
If the service you want to use is not implemented, you can easily implement it yourself by deriving from the `CaptchaService` class and implementing the abstract methods, or you can open an issue, and we will try to implement it as soon as possible.

## Unit Tests
Unit tests are included in the `CaptchaSharp.Tests` project. In order to test, you need to:
1. Run any test once and let it fail. It will create a file called `config.json` in your `bin/Debug/net8.0` folder.
2. Add your credentials to the `config.json` file. You can also add a proxy to test proxied endpoints.
3. Run the tests (one at a time, to avoid overloading the service and overspending).
4. If you need to test a captcha on a specific website, you can edit the `ServiceTests` class and change the parameters as you need.

## What needs to be improved
- Drop `Newtonsoft.Json` for `System.Text.Json`
- Implement better exception handling for specific error codes. For example when there is zero balance or when a solver method returns a bad authentication, they will currently fall in the generic `TaskCreationException` type.
- Add support for recognition APIs (right now only token-based APIs are supported).

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