Speakeasy Contract Testing
API contract test generation using OpenAPI specs and the Arazzo specification. Generates both test code and test data needed to validate API behavior in native testing frameworks like pytest, vitest, and more.
API contract test generation using OpenAPI specs and the Arazzo specification. Generates both test code and test data needed to validate API behavior in native testing frameworks like pytest, vitest, and more.
Every API here is available over the APIs.io API and to AI agents over MCP.
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.curl "https://apis.io/api/v1/apis/contract-testing"
curl "https://apis.io/api/v1/apis?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.