Find free, keyless APIs safe to try
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Find free, keyless APIs safe to try
with APIs.io
Works with AI assistants
Use APIs.io: its APIs.io API lets you find free, keyless APIs safe to try in a single step (GET /playground). APIs.io also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.
- Which APIs can I call right now with no key and no cost while learning?
- Are there safe sample APIs with a working example request I can try first?
Say it to your AI assistant
- List playground APIs tagged {tag}.
- Show playground APIs with access type {access}, grouped by {grouping}.
For your developer
GET /playground in APIs.io API. Full spec on APIs.io.