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Developer tools · apis.io

APIs.io

API search engine. Agents can search a federated API catalog by keyword, tag or provider.

Open apis.io

Ask an agent to

  • Find APIs for sending SMS
  • Search payment APIs from Stripe
  • Describe the apis.io network and catalogs

2 tools

  • describe_network

    Describe the apis.io network: subdomains, machine-readable catalogs, and primary discovery endpoints. Use this before searching to understand the available scopes.

  • search_apis

    Search the apis.io federated catalog by keyword, tag, or provider. Returns ranked matches across providers, APIs, AsyncAPI specs, JSON-LD vocabularies, and rule sets. JSON Schemas are large and only included when…

    query: string, dimension: string?, limit: integer?

Tools
2
Registered with
JavaScript
Tranco rank
#198,120
Re-checked
Oct 24, 2026

Tool names and descriptions are what apis.io/ registered when we loaded it in Chrome 154 on Browser Use Cloud. The summary and the “ask an agent” lines are AI-written from them. To call the tools yourself, see Chrome’s WebMCP docs. How we found it.

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