API Tools

Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.

A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs

Go client library for the Slack API with RTM and Events API support

GraphQL request library built on [got](https://github.com/sindresorhus/got)

Run and test HTTP requests defined in simple plain text files

A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Friendly and fast HTTP request tool — like HTTPie but in Rust

Full fake REST API with zero coding in less than 30 seconds

Easiest way to run mock REST APIs locally — no account required

Turn any OpenAPI spec into a mock API server with validation

Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.

Curl statistics made simple — visualize HTTP request timing