API Tools

Build, test, and manage APIs with indie developer tools.

10
developer tools
55,000
tokens saved

Build vs Buy

Building api tools from scratch takes roughly 2-4 weeks and ~55,000 tokens of AI-assisted development. Or use one of these developer tools and ship today.

Tool Price Upvotes Replaces
Hoppscotch
Open-source API development ecosystem. Postman alternative.
Free 0 Postman
Insomnia
API design, debug, and test. Open-source core.
Free 0 Postman
BricksLLM
🔒 Enterprise-grade API gateway that helps you monitor and impose cost or rate limits per API key. Ge
Free 0
twurple
Interact with Twitch API, chat, PubSub, and EventSub
Free 0 Twitch CLI, custom API wrappers
Postman MCP Server
API testing and collection management for AI agents
Free 0
mockserver
MockServer - Lightweight Go-based mock API server for fast prototyping, testing, and simulating REST
Free 0
rusty-relay
A self-hostable server that forwards webhooks and can proxy all kinds HTTP requests to a local machi
Free 0
Stripe
Payment processing platform for internet businesses. Accept payments, send payouts.
£1.00/mo 0
Bruno
Open-source API client. Stores collections in Git.
Free 0 Postman,Insomnia
Swagger UI
Open-source interactive API documentation.
Free 0 Redocly,ReadMe

Replaces

These developer tools are alternatives to:

Postman Swagger Kong Insomnia

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