WhenIsKickoff .NET Client

Standalone, NuGet-ready .NET library for the public WhenIsKickoff World Cup 2026 JSON API.

Features

• Async-only API surface
• HttpClient-based, DI-friendly design
• Separate models and abstractions
• Strongly typed responses for matches, teams, groups, venues, and tv
• Production-oriented error handling via a custom exception
• Works with HttpClientFactory
• Targets netstandard2.0 and net8.0

Install

Build the library and pack it into a NuGet package:

dotnet build -c Release

Usage

using WhenIsKickoff;
using WhenIsKickoff.Models;

var httpClient = new HttpClient();
var client = new WhenIsKickoffClient(httpClient);

var matches = await client.GetMatchesAsync();
var teams = await client.GetTeamsAsync();

DI registration

services.AddWhenIsKickoffClient();

API base URL

https://wheniskickoff.com/data/v1/

Notes

The API is public, JSON-based, and does not require authentication.