CoinEx.Net

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A C# .netstandard client library for the CoinEx REST and Websocket Spot API focusing on clear usage and models

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# ![.CoinEx.Net](https://github.com/JKorf/CoinEx.Net/blob/master/CoinEx.Net/Icon/icon.png?raw=true) CoinEx.Net

[![.NET](https://img.shields.io/github/actions/workflow/status/JKorf/CoinEx.Net/dotnet.yml?style=for-the-badge)](https://github.com/JKorf/CoinEx.Net/actions/workflows/dotnet.yml) ![License](https://img.shields.io/github/license/JKorf/CoinEx.Net?style=for-the-badge)
![Since](https://img.shields.io/badge/since-2018-brightgreen?style=for-the-badge)

CoinEx.Net is a strongly typed client library for accessing the [CoinEx REST and Websocket API](https://github.com/coinexcom/coinex_exchange_api/wiki).

## Features
* Response data is mapped to descriptive models
* Input parameters and response values are mapped to discriptive enum values where possible
* High performance
* Automatic websocket (re)connection management 
* Client side order book implementation
* Support for managing different accounts
* Extensive logging
* Support for different environments
* Easy integration with other exchange client based on the CryptoExchange.Net base library
* Native AOT support

## Supported Frameworks
The library is targeting both `.NET Standard 2.0` and `.NET Standard 2.1` for optimal compatibility, as well as the latest dotnet versions to use the latest framework features.

## Install the library

### NuGet 
[![NuGet version](https://img.shields.io/nuget/v/CoinEx.net.svg?style=for-the-badge)](https://www.nuget.org/packages/CoinEx.Net)  [![Nuget downloads](https://img.shields.io/nuget/dt/CoinEx.Net.svg?style=for-the-badge)](https://www.nuget.org/packages/CoinEx.Net)

dotnet add package CoinEx.Net
	
### GitHub packages
CoinEx.Net is available on [GitHub packages](https://github.com/JKorf/CoinEx.Net/pkgs/nuget/CoinEx.Net). You'll need to add `https://nuget.pkg.github.com/JKorf/index.json` as a NuGet package source.

### Download release
[![GitHub Release](https://img.shields.io/github/v/release/JKorf/CoinEx.Net?style=for-the-badge&label=GitHub)](https://github.com/JKorf/CoinEx.Net/releases)

The NuGet package files are added along side the source with the latest GitHub release which can found [here](https://github.com/JKorf/CoinEx.Net/releases).

## How to use
*Basic request:*
```csharp
// Get the ETH/USDT ticker via rest request
var restClient = new CoinExRestClient();
var tickerResult = await restClient.SpotApiV2.ExchangeData.GetTickersAsync(new [] { "ETHUSDT" });
if (!tickerResult.Success)
{
    Console.WriteLine(tickerResult.Error);
    return;
}

var lastPrice = tickerResult.Data.First().LastPrice;
```

*Place order:*
```csharp
var restClient = new CoinExRestClient(opts => {
	opts.ApiCredentials = new CoinExCredentials("APIKEY", "APISECRET");
});

// Place Limit order to go long for 0.1 ETH at 2000
var orderResult = await restClient.FuturesApi.Trading.PlaceOrderAsync(
    "ETHUSDT",
    OrderSide.Buy,
    OrderTypeV2.Limit,
    0.1m,
    price: 2000);
```

*WebSocket subscription:*
```csharp
// Subscribe to ETH/USDT ticker updates via the websocket API
var socketClient = new CoinExSocketClient();
var tickerSubscriptionResult = await socketClient.SpotApiV2.SubscribeToTickerUpdatesAsync(new [] { "ETHUSDT" }, (update) =>
{
	var lastPrice = update.Data.First().LastPrice;
});
```

For information on the clients, dependency injection, response processing and more see the [CoinEx.Net documentation](https://cryptoexchange.jkorf.dev?library=CoinEx.Net) or have a look at the examples [here](https://github.com/JKorf/CoinEx.Net/tree/master/Examples) or [here](https://github.com/JKorf/CryptoExchange.Net/tree/master/Examples).

## AI / LLM documentation

CoinEx.Net includes AI-oriented documentation and examples for code generation tools:

|File|Purpose|
|--|--|
|[`AGENTS.md`](AGENTS.md)|Assistant skill with core CoinEx.Net patterns, pitfalls, and examples|
|[`llms.txt`](llms.txt)|Short LLM index with links to docs, examples, and critical usage rules|
|[`llms-full.txt`](llms-full.txt)|Detailed LLM context with endpoint routing, code patterns, and anti-hallucination checks|
|[`docs/ai-api-map.md`](docs/ai-api-map.md)|Table-style intent-to-method map for Spot V2, Futures, WebSocket, and SharedApis|
|[`Examples/ai-friendly`](Examples/ai-friendly)|Compilable single-file examples for common REST, WebSocket, shared API, and error handling workflows|

See [cryptoexchange-skills-hub](https://github.com/JKorf/cryptoexchange-skills-hub) for installable skills.

## Shared / unified API

The CryptoExchange.Net [Shared APIs](https://cryptoexchange.jkorf.dev/client-libs/shared) provide exchange-agnostic, unified interfaces for common operations such as retrieving tickers, order books and balances, placing orders, and subscribing to market updates.

This allows the same application code to work with different exchange libraries. The supported CoinEx API surfaces expose their shared functionality through a `SharedClient` property. Because support differs between exchanges and API surfaces, call `Discover()` to inspect the available trading modes, environments, endpoints, and subscriptions at runtime.

### Supported shared interfaces

| API | Type | Supported interfaces |
|--|--|--|
| `SpotApiV2` | REST | `IAssetsRestClient`, `IBalanceRestClient`, `IBookTickerRestClient`, `IDepositRestClient`, `IFeeRestClient`, `IKlineRestClient`, `IOrderBookRestClient`, `IRecentTradeRestClient`, `ISpotOrderClientIdRestClient`, `ISpotOrderRestClient`, `ISpotSymbolRestClient`, `ISpotTickerRestClient`, `ISpotTriggerOrderRestClient`, `ITransferRestClient`, `IWithdrawalRestClient`, `IWithdrawRestClient` |
| `SpotApiV2` | WebSocket | `IBalanceSocketClient`, `IBookTickerSocketClient`, `IOrderBookSocketClient`, `ISpotOrderSocketClient`, `ITickerSocketClient`, `ITickersSocketClient`, `ITradeSocketClient`, `IUserTradeSocketClient` |
| `FuturesApi` | REST | `IBalanceRestClient`, `IBookTickerRestClient`, `IFeeRestClient`, `IFundingRateRestClient`, `IFuturesOrderClientIdRestClient`, `IFuturesOrderRestClient`, `IFuturesSymbolRestClient`, `IFuturesTickerRestClient`, `IFuturesTpSlRestClient`, `IFuturesTriggerOrderRestClient`, `IIndexPriceKlineRestClient`, `IKlineRestClient`, `ILeverageRestClient`, `IMarkPriceKlineRestClient`, `IOpenInterestRestClient`, `IOrderBookRestClient`, `IPositionHistoryRestClient`, `IRecentTradeRestClient` |
| `FuturesApi` | WebSocket | `IBalanceSocketClient`, `IBookTickerSocketClient`, `IFuturesOrderSocketClient`, `IOrderBookSocketClient`, `IPositionSocketClient`, `ITickerSocketClient`, `ITickersSocketClient`, `ITradeSocketClient`, `IUserTradeSocketClient` |

### Discover supported functionality

```csharp
var sharedClient = new CoinExRestClient().SpotApiV2.SharedClient;
var clientInfo = sharedClient.Discover();

Console.WriteLine(clientInfo);
```

### Example

```csharp
using CoinEx.Net.Clients;
using CryptoExchange.Net.SharedApis;

var sharedClient = new CoinExRestClient().SpotApiV2.SharedClient;
ISpotTickerRestClient tickerClient = sharedClient;

var symbol = new SharedSymbol(TradingMode.Spot, "ETH", "USDT");
var result = await tickerClient.GetSpotTickerAsync(
    new GetTickerRequest(symbol));

if (!result.Success)
{
    Console.WriteLine(result.Error);
    return;
}

Console.WriteLine(result.Data.LastPrice);
```

The request and response models belong to `CryptoExchange.Net.SharedApis`, so the same pattern can be used with another exchange's `SharedClient`.

## CryptoExchange.Net
CoinEx.Net is based on the [CryptoExchange.Net](https://github.com/JKorf/CryptoExchange.Net) base library. Other exchange API implementations based on the CryptoExchange.Net base library are available and follow the same logic.

CryptoExchange.Net also allows for [easy access to different exchange API's](https://cryptoexchange.jkorf.dev/client-libs/shared).

|Exchange|Repository|Nuget|
|--|--|--|
|Aster|[JKorf/Aster.Net](https://github.com/JKorf/Aster.Net)|[![Nuget version](https://img.shields.io/nuget/v/JKorf.Aster.net.svg?style=flat-square)](https://www.nuget.org/packages/JKorf.Aster.Net)|
|Binance|[JKorf/Binance.Net](https://github.com/JKorf/Binance.Net)|[![Nuget version](https://img.shields.io/nuget/v/Binance.net.svg?style=flat-square)](https://www.nuget.org/packages/Binance.Net)|
|BingX|[JKorf/BingX.Net](https://github.com/JKorf/BingX.Net)|[![Nuget version](https://img.shields.io/nuget/v/JK.BingX.net.svg?style=flat-square)](https://www.nuget.org/packages/JK.BingX.Net)|
|Bitfinex|[JKorf/Bitfinex.Net](https://github.com/JKorf/Bitfinex.Net)|[![Nuget version](https://img.shields.io/nuget/v/Bitfinex.net.svg?style=flat-square)](https://www.nuget.org/packages/Bitfinex.Net)|
|Bitget|[JKorf/Bitget.Net](https://github.com/JKorf/Bitget.Net)|[![Nuget version](https://img.shields.io/nuget/v/JK.Bitget.net.svg?style=flat-square)](https://www.nuget.org/packages/JK.Bitget.Net)|
|BitMart|[JKorf/BitMart.Net](https://github.com/JKorf/BitMart.Net)|[![Nuget version](https://img.shields.io/nuget/v/BitMart.net.svg?style=flat-square)](https://www.nuget.org/packages/BitMart.Net)|
|BitMEX|[JKorf/BitMEX.Net](https://github.com/JKorf/BitMEX.Net)|[![Nuget version](https://img.shields.io/nuget/v/JKorf.BitMEX.net.svg?style=flat-square)](https://www.nuget.org/packages/JKorf.BitMEX.Net)|
|Bitstamp|[JKorf/Bitstamp.Net](https://github.com/JKorf/Bitstamp.Net)|[![Nuget version](https://img.shields.io/nuget/v/Bitstamp.Net.svg?style=flat-square)](https://www.nuget.org/packages/Bitstamp.Net)|
|BloFin|[JKorf/BloFin.Net](https://github.com/JKorf/BloFin.Net)|[![Nuget version](https://img.shields.io/nuget/v/BloFin.net.svg?style=flat-square)](https://www.nuget.org/packages/BloFin.Net)|
|Bybit|[JKorf/Bybit.Net](https://github.com/JKorf/Bybit.Net)|[![Nuget version](https://img.shields.io/nuget/v/Bybit.net.svg?style=flat-square)](https://www.nuget.org/packages/Bybit.Net)|
|Coinbase|[JKorf/Coinbase.Net](https://github.com/JKorf/Coinbase.Net)|[![Nuget version](https://img.shields.io/nuget/v/JKorf.Coinbase.Net.svg?style=flat-square)](https://www.nuget.org/packages/JKorf.Coinbase.Net)|
|CoinGecko|[JKorf/CoinGecko.Net](https://github.com/JKorf/CoinGecko.Net)|[![Nuget version](https://img.shields.io/nuget/v/CoinGecko.net.svg?style=flat-square)](https://www.nuget.org/packages/CoinGecko.Net)|
|CoinW|[JKorf/CoinW.Net](https://github.com/JKorf/CoinW.Net)|[![Nuget version](https://img.shields.io/nuget/v/CoinW.net.svg?style=flat-square)](https://www.nuget.org/packages/CoinW.Net)|
|Crypto.com|[JKorf/CryptoCom.Net](https://github.com/JKorf/CryptoCom.Net)|[![Nuget version](https://img.shields.io/nuget/v/CryptoCom.net.svg?style=flat-square)](https://www.nuget.org/packages/CryptoCom.Net)|
|DeepCoin|[JKorf/DeepCoin.Net](https://github.com/JKorf/DeepCoin.Net)|[![Nuget version](https://img.shields.io/nuget/v/DeepCoin.net.svg?style=flat-square)](https://www.nuget.org/packages/DeepCoin.Net)|
|Gate.io|[JKorf/GateIo.Net](https://github.com/JKorf/GateIo.Net)|[![Nuget version](https://img.shields.io/nuget/v/GateIo.net.svg?style=flat-square)](https://www.nuget.org/packages/GateIo.Net)|
|HTX|[JKorf/HTX.Net](https://github.com/JKorf/HTX.Net)|[![Nuget version](https://img.shields.io/nuget/v/JKorf.HTX.Net.svg?style=flat-square)](https://www.nuget.org/packages/JKorf.HTX.Net)|
|HyperLiquid|[JKorf/HyperLiquid.Net](https://github.com/JKorf/HyperLiquid.Net)|[![Nuget version](https://img.shields.io/nuget/v/HyperLiquid.Net.svg?style=flat-square)](https://www.nuget.org/packages/HyperLiquid.Net)|
|Kraken|[JKorf/Kraken.Net](https://github.com/JKorf/Kraken.Net)|[![Nuget version](https://img.shields.io/nuget/v/KrakenExchange.net.svg?style=flat-square)](https://www.nuget.org/packages/KrakenExchange.Net)|
|Kucoin|[JKorf/Kucoin.Net](https://github.com/JKorf/Kucoin.Net)|[![Nuget version](https://img.shields.io/nuget/v/Kucoin.net.svg?style=flat-square)](https://www.nuget.org/packages/Kucoin.Net)|
|LBank|[JKorf/LBank.Net](https://github.com/JKorf/LBank.Net)|[![Nuget version](https://img.shields.io/nuget/v/LBank.net.svg?style=flat-square)](https://www.nuget.org/packages/LBank.Net)|
|Lighter|[JKorf/Lighter.Net](https://github.com/JKorf/Lighter.Net)|[![Nuget version](https://img.shields.io/nuget/v/JKorf.Lighter.net.svg?style=flat-square)](https://www.nuget.org/packages/JKorf.Lighter.Net)|
|Mexc|[JKorf/Mexc.Net](https://github.com/JKorf/Mexc.Net)|[![Nuget version](https://img.shields.io/nuget/v/JK.Mexc.net.svg?style=flat-square)](https://www.nuget.org/packages/JK.Mexc.Net)|
|OKX|[JKorf/OKX.Net](https://github.com/JKorf/OKX.Net)|[![Nuget version](https://img.shields.io/nuget/v/JK.OKX.net.svg?style=flat-square)](https://www.nuget.org/packages/JK.OKX.Net)|
|Pionex|[JKorf/Pionex.Net](https://github.com/JKorf/Pionex.Net)|[![Nuget version](https://img.shields.io/nuget/v/Pionex.net.svg?style=flat-square)](https://www.nuget.org/packages/Pionex.Net)|
|Polymarket|[JKorf/Polymarket.Net](https://github.com/JKorf/Polymarket.Net)|[![Nuget version](https://img.shields.io/nuget/v/Polymarket.net.svg?style=flat-square)](https://www.nuget.org/packages/Polymarket.Net)|
|Toobit|[JKorf/Toobit.Net](https://github.com/JKorf/Toobit.Net)|[![Nuget version](https://img.shields.io/nuget/v/Toobit.net.svg?style=flat-square)](https://www.nuget.org/packages/Toobit.Net)|
|Upbit|[JKorf/Upbit.Net](https://github.com/JKorf/Upbit.Net)|[![Nuget version](https://img.shields.io/nuget/v/JKorf.Upbit.net.svg?style=flat-square)](https://www.nuget.org/packages/JKorf.Upbit.Net)|
|Weex|[JKorf/Weex.Net](https://github.com/JKorf/Weex.Net)|[![Nuget version](https://img.shields.io/nuget/v/Weex.net.svg?style=flat-square)](https://www.nuget.org/packages/Weex.Net)|
|WhiteBit|[JKorf/WhiteBit.Net](https://github.com/JKorf/WhiteBit.Net)|[![Nuget version](https://img.shields.io/nuget/v/WhiteBit.net.svg?style=flat-square)](https://www.nuget.org/packages/WhiteBit.Net)|
|XT|[JKorf/XT.Net](https://github.com/JKorf/XT.Net)|[![Nuget version](https://img.shields.io/nuget/v/XT.net.svg?style=flat-square)](https://www.nuget.org/packages/XT.Net)|

## Discord
[![Nuget version](https://img.shields.io/discord/847020490588422145?style=for-the-badge)](https://discord.gg/MSpeEtSY8t)  
A Discord server is available [here](https://discord.gg/MSpeEtSY8t). Feel free to join for discussion and/or questions around the CryptoExchange.Net and implementation libraries.

## Supported functionality

### Spot Api V1
|API|Supported|Location|
|--|--:|--|
|Market Data API|✓|`restClient.SpotApi.ExchangeData`|
|Account API|✓|`restClient.SpotApi.Account`|
|Trading API|✓|`restClient.SpotApi.Trading`|
|Websocket API|✓|`socketClient.SpotApi`|

### Futures Api V1
|API|Supported|Location|
|--|--:|--|
|*|X||

### V2 Account
|API|Supported|Location|
|--|--:|--|
|Sub-Account|X||
|Fee Rate|✓|`restClient.SpotApiV2.ExchangeData`|
|Set|✓|`restClient.SpotApiV2.Account`|

### V2 Asset
|API|Supported|Location|
|--|--:|--|
|Balance rest|✓|`restClient.SpotApiV2.Account`|
|Balance websocket|✓|`socketClient.SpotApiV2`|
|Loan & Repayment|✓|`restClient.SpotApiV2.Account`|
|Deposit & Withdrawal|✓|`restClient.SpotApiV2.Account`|
|Transfer|✓|`restClient.SpotApiV2.Account`|
|Aam|✓|`restClient.SpotApiV2.Account`|

## Support the project
Any support is greatly appreciated.

### Referal
If you do not yet have an account please consider using this referal link to sign up:  
[Link](https://www.coinex.com/register?refer_code=hd6gn)

### Donate
Make a one time donation in a crypto currency of your choice. If you prefer to donate in a different currency or network send me a message.
   
**USDT (TRX)**  TKigKeJPXZYyMVDgMyXxMf17MWYia92Rjd

### Sponsor
Alternatively, sponsor me on Github using [Github Sponsors](https://github.com/sponsors/JKorf).

## Release notes
* Version 11.3.0 - 29 Jul 2026
    * Updated CryptoExchange.Net to version 12.4.0
    * Added calculation of AveragePrice on Shared order models if data is available and AveragePrice is not set
    * Added DebuggerDisplay attributes to Result models
    * Added AveragePrice property to SharedQuantity model
    * Updated SharedFuturesTicker, SharedSpotTicker, SharedTrade and SharedKline to use SharedOrderQuantity for volumes/quantities

* Version 11.2.0 - 21 Jul 2026
    * Updated CryptoExchange.Net to v12.2.0 
    * Added SpotSymbolCatalog to Shared ISpotSymbolRestClient interface
    * Added FuturesSymbolCatalog to Shared IFuturesSymbolRestClient interface
    * Added BaseAssetType, BaseAssetSubType, QuoteAssetType and QuoteAssetSubType to GetSymbolsRequest model
    * Added DisplayName to SharedSpotSymbol and SharedFuturesSymbol models
    * Added BaseAssetType, BaseAssetSubType, QuoteAssetType and QuoteAssetSubType to SharedSpotSymbol and SharedFuturesSymbol models
    * Added DebuggerDisplay attributes to Shared models

* Version 11.1.0 - 09 Jul 2026
    * Updated CryptoExchange.Net to v12.1.0
    * Added DelistTime, Status, ApiTradingAvailable to symbol models
    * Added OpenInterest to CoinExFuturesTicker model
    * Added additional mapping for RiskRate in CoinExMarginBalance model

* Version 11.0.0 - 29 Jun 2026
    * Result types:
      * (Web)CallResult types are replaced by HttpResult, WebSocketResult and QueryResult with the same logic
      * WebSocketResult and QueryResult now return additional info for websocket operations
      * Updated result types to record type
      * Removed implicit result type conversion to bool, `if (result)` no longer works, instead use `if (result.Success)`
      * Fixed result object nullability hinting, for example Data might be null if Success isn't checked for true
    * Clients:
      * Added ToString overrides on base API types
      * Added Exchange property on BaseApiClient
      * Added ApiCredentials property on Api clients
      * Updated ILogger source from client name to topic specific client name
      * Removed logging from client creation
      * Fixed issue in SocketApiClient.GetSocketConnection causing requests to always wait the full max 10 seconds when there was a reconnecting socket
    * Shared APIs:
      * Added missing dedicated option types
      * Added Discover method on ISharedClient interface, returning info on supported capabilities and operations
      * Added ResetStaticExchangeParameters method on ExchangeParameters
      * Added Status property to SharedWithdrawal model
      * Added TradingModes property to SharedBalance model
      * Updated Shared ExchangeParameters parameter names to be case insensitive
      * Updated code comments
      * Replaced ExchangeResult with ExchangeCallResult type
      * Removed TradingMode from the response model, only maintained on models where it makes sense
    * Added async streaming on UserDataTracker items with StreamUpdatesAsync
    * Added cancellation token support to UserDataTracker starting
    * Added SupportedEnvironments property to PlatformInfo
    * Added Clear() method on UserClientProvider to clear all cached clients
    * Added setter to CoinExExchange.RateLimiter to allow custom rate limit settings
    * Various small performance improvements
    * Fixed websocket connection attempts counting towards rate limit even when server could not be reached

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