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FsHttp

FsHttp is a "hackable HTTP client" that offers a legible style for the basics while still affording full access to the underlying HTTP representations for covering unusual cases. It's the best of both worlds: Convenience and Flexibility.

• Use it as a replacement for .http files, VSCode's REST client, Postman, and other tools as an interactive and programmable playground for HTTP requests.
• Usable as a production-ready HTTP client for applications powered by .NET (C#, VB, F#).

👍 Postman? ❤️ FsHttp! https://youtu.be/F508wQu7ET0

Documentation

• 📖 Please see FsHttp Documentation site for detailed documentation.
• 🧪 In addition, have a look at the Integration Tests that show various library details.

F# syntax example

#r "nuget: FsHttp"

open FsHttp

http {
    POST "https://reqres.in/api/users"
    CacheControl "no-cache"
    body
    jsonSerialize
        {|
            name = "morpheus"
            job = "leader"
        |}
}
|> Request.send

C# syntax example

#r "nuget: FsHttp"

using FsHttp;

await Http
    .Post("https://reqres.in/api/users")
    .CacheControl("no-cache")
    .Body()
    .JsonSerialize(new
        {
            name = "morpheus",
            job = "leader"
        }
    )
    .SendAsync();

Release Notes / Migrating to new versions

• See https://www.nuget.org/packages/FsHttp#release-body-tab
• For different upgrade paths, please read the Migrations docs section.

Building

.Net SDK:

You need to have a recent .NET SDK installed, which is specified in ./global.json.

Build Tasks

There is a F# build script (./build.fsx) that can be used to perform several build tasks from command line.

For common tasks, there are bash scripts located in the repo root:

• ./test.sh: Runs all tests (sources in ./src/Tests).
  • You can pass args to this task. E.g. for executing only some tests: ./test.sh --filter Name~'Response Decompression'
• ./docu.sh: Rebuilds the FsHttp documentation site (sources in ./src/docs).
• ./docu-watch.sh: Run it if you are working on the documentation sources, and want to see the result in a browser.
• ./publish.sh: Publishes all packages (FsHttp and it's integration packages for Newtonsoft and FSharp.Data) to NuGet.
  • Always have a look at ./src/Directory.Build.props and keep the file up-to-date.

Credits

• Parts of the code were taken from the HTTP utilities of FSharp.Data.
• Credits to all critics, supporters, contributors, promoters, users, and friends.