Discover 180+ indie API Tools tools built by independent makers. Open-source and bootstrapped alternatives with install commands and compatibility data.
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.