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IQFeed.CSharpApiClient

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IQFeed.CSharpApiClient is fastest and the most well-designed C# DTN IQFeed socket API connector available

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# IQFeed CSharp Api Client

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IQFeed.CSharpApiClient is fastest and the most well designed C# DTN IQFeed socket API connector available to the open source community! Currently supporting the latest stable IQFeed protocol version 6.2.

IQFeed is an affordable and reputable Internet market data provider. For more [info](http://www.iqfeed.net/index.cfm?displayaction=developer&section=main).  
**SPECIAL OFFER (Save \$50 - No Startup Fee)** [Get Free Trial Now](https://bit.ly/349vUCT)

If you appreciate this project, please star :star: it now!

- [IQFeed CSharp Api Client](#iqfeed-csharp-api-client)
  - [Features](#features)
  - [Usage](#usage)
    - [Compatibility](#compatibility)
    - [Packages](#packages)
    - [Installation](#installation)
    - [Configuration](#configuration)
      - [User environment variables](#user-environment-variables)
      - [app.config](#appconfig)
    - [Examples](#examples)
    - [IQFeed API support status](#iqfeed-api-support-status)
      - [Streaming data](#streaming-data)
      - [Lookup data](#lookup-data)
  - [Support](#support)
  - [Sponsors](#sponsors)
  - [Contributing](#contributing)

## Features

- Designed completely non-blocking from bottom-up with nice async/await interfaces
- Streaming events are distributed in a consistent way using Action delegates
- Handle multiple socket connections for at least 50% performance increase when requesting lookup data
- Sockets are using [SocketAsyncEventArgs](<https://msdn.microsoft.com/en-us/library/system.net.sockets.socketasynceventargs(v=vs.110).aspx>) for maximum performance and trying to reduce pressure on GC
- Support for .NET Core
- No 3rd party dependency
- [Python support](https://github.com/mathpaquette/IQFeed.CSharpApiClient/blob/master/docs/USING-WITH-PYTHON.md) :new:

## Usage

### Compatibility

IQFeed.CSharpApiClient does support only one real-time protocol at the time but remains backward compatible with historical data.

| IQFeed.CSharpApiClient | IQFeed Protocol |
| ---------------------- | --------------- |
| v2.8.x                 | 6.2             |
| v2.7.x                 | 6.1             |
| v2.6.x                 | 6.0             |

### Packages

MyGet Pre-release feed: https://www.myget.org/gallery/iqfeedcsharpapiclient

| Package                                                                                                | NuGet Stable                                                                                                                                                                    | MyGet Pre-release                                                                                                                                                                                                                       | Downloads                                                                                                                                                                        |
| ------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [IQFeed.CSharpApiClient](https://www.nuget.org/packages/IQFeed.CSharpApiClient/)                       | [![IQFeed.CSharpApiClient](https://img.shields.io/nuget/v/IQFeed.CSharpApiClient.svg)](https://www.nuget.org/packages/IQFeed.CSharpApiClient/)                                  | [![IQFeed.CSharpApiClient](https://img.shields.io/myget/iqfeedcsharpapiclient/vpre/IQFeed.CSharpApiClient.svg)](https://www.myget.org/feed/iqfeedcsharpapiclient/package/nuget/IQFeed.CSharpApiClient)                                  | [![IQFeed.CSharpApiClient](https://img.shields.io/nuget/dt/IQFeed.CSharpApiClient.svg)](https://www.nuget.org/packages/IQFeed.CSharpApiClient/)                                  |
| [IQFeed.CSharpApiClient.Extensions](https://www.nuget.org/packages/IQFeed.CSharpApiClient.Extensions/) | [![IQFeed.CSharpApiClient.Extensions](https://img.shields.io/nuget/v/IQFeed.CSharpApiClient.Extensions.svg)](https://www.nuget.org/packages/IQFeed.CSharpApiClient.Extensions/) | [![IQFeed.CSharpApiClient.Extensions](https://img.shields.io/myget/iqfeedcsharpapiclient/vpre/IQFeed.CSharpApiClient.Extensions.svg)](https://www.myget.org/feed/iqfeedcsharpapiclient/package/nuget/IQFeed.CSharpApiClient.Extensions) | [![IQFeed.CSharpApiClient.Extensions](https://img.shields.io/nuget/dt/IQFeed.CSharpApiClient.Extensions.svg)](https://www.nuget.org/packages/IQFeed.CSharpApiClient.Extensions/) |

### Installation

`Install-Package IQFeed.CSharpApiClient`

### Configuration

Now, you need to set your API credentials and product id somewhere. You have 2 options, in your user environment variables or app.config.

#### User environment variables

- Run `rundll32 sysdm.cpl,EditEnvironmentVariables` to open the Environment Variables
- In your User variables, create 4 new ones:
  - IQCONNECT_LOGIN
  - IQCONNECT_PASSWORD
  - IQCONNECT_PRODUCT_ID
  - IQCONNECT_PRODUCT_VERSION (not mandatory, will fallback to 1.0.0.0)

#### app.config

In your appSettings section, assign values to these key:

```
<appSettings>
     <add key="IQConnect:login" value=""/>
     <add key="IQConnect:password" value=""/>
     <add key="IQConnect:product_id" value=""/>
     <add key="IQConnect:product_version" value=""/>
</appSettings>
```

### Examples

Check [IQFeed.CSharpApiClient.Examples](https://github.com/mathpaquette/IQFeed.CSharpApiClient/tree/master/src/IQFeed.CSharpApiClient.Examples) for more examples.

```
IQFeedLauncher.Start();
var lookupClient = LookupClientFactory.CreateNew();
lookupClient.Connect();
var tickMessages = await lookupClient.Historical.GetHistoryTickDatapointsAsync("AAPL", 100);
```

### IQFeed API support status

#### Streaming data

- [x] Level 1 data
- [x] Level 2 data
- [x] Derivative data
- [x] Admin data

#### Lookup data

- [x] Historical data
- [x] News data
- [x] Symbol Lookup data
- [x] Chains Lookup data
- [x] Market Summary Data

## Support

For support request, you can create an issue on GitHub or join our [Slack](https://iqfeedcsharpapiclient.slack.com/messages/general/) community.

## Sponsors

[![DTN IQFeed](https://www.iqfeed.net/images//iqfeed_logo.png)](https://www.iqfeed.net/trent/index.cfm?displayaction=start&promo=1996499)

[![JetBrains](https://upload.wikimedia.org/wikipedia/commons/1/1a/JetBrains_Logo_2016.svg)](https://www.jetbrains.com/?from=IQFeed.CSharpApiClient)

## Contributing

Pull requests are welcome! Don't hesitate to open an issue if something goes wrong.

IQFeed.CSharpApiClient

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