Discover the best indie api tools tools built by independent developers. Focused functionality, fair pricing, and real human support.
180 tools · Updated daily · Browse full category →
Open-source API development ecosystem. Postman alternative.
API design, debug, and test. Open-source core.
🔒 Enterprise-grade API gateway that helps you monitor and impose cost or rate limits per API key. Ge
Interact with Twitch API, chat, PubSub, and EventSub
API testing and collection management for AI agents
MockServer - Lightweight Go-based mock API server for fast prototyping, testing, and simulating REST
A self-hostable server that forwards webhooks and can proxy all kinds HTTP requests to a local machi
Payment processing platform for internet businesses. Accept payments, send payouts.
Open-source API client. Stores collections in Git.
Open-source interactive API documentation.
API design-first platform with visual editor.
gRPC and REST API client for developers.
Proof that people attend, and what they actually think.
A gRPC client from another world
OpenClaw plugin: SearXNG-powered web search — no API keys, no rate limits, self-hosted
A lightweight and easy to use RESTful api mocking server
API Documentation Browser
Full-featured Python wrapper for the Mastodon API
No-nonsense stateless webhook tester
Self-hosted Instant, fast, and no API rate limit - Taiwan postal code lookup API service
🃏 A magical documentation site generator.
Parse Server for Node.js / Express
🌍 Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-f
The Cloud-Native API Gateway and AI Gateway
Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance
The highly customizable and versatile GraphQL client with which you add on features like normalized
A reference implementation of GraphQL for JavaScript
🤖 AI Gateway | AI Native API Gateway
[Feishu](https://open.feishu.cn/)/[Lark](https://open.larksuite.com/) Open API Go SDK, Support ALL Open API and Event Callback
Run Express and other Node.js frameworks on AWS Serverless technologies such as Lambda, API Gateway,
Fast, instant realtime GraphQL APIs on Postgres with fine grained access control, also trigger webhooks on database even
A REST API building platform that utilizes a drag & drop form builder, and is application framework agnostic. Contains o
Flexible and modular backend framework/server for object persistence, API development and authentication
A Cloud Native traffic orchestration system
Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.
GraphQL request library built on [got](https://github.com/sindresorhus/got)
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
Microservice API Gateway and Platform
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.
Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.
Run and test HTTP requests defined in simple plain text files
Easiest way to run mock REST APIs locally — no account required
Friendly and fast HTTP request tool — like HTTPie but in Rust
Full fake REST API with zero coding in less than 30 seconds
Curl statistics made simple — visualize HTTP request timing
Turn any OpenAPI spec into a mock API server with validation
Scalable, customizable WebRTC SFU and server SDK for building real-time audio, video, and data applications with ease.
Promise based HTTP client (works in the browser too)