{"slug":"hey-api","name":"Hey API","domain":null,"best_rank":5,"categories":1,"entries":[{"slug":"best-openapi-sdk-generators-for-typescript-and-python","title":"Best OpenAPI SDK Generators for TypeScript and Python","rank":5,"of":7,"score":2,"appearances":1,"modelRanks":{"Claude":4},"reason":"The best open-source choice for the TypeScript-consumer side — generates fully typed clients with pluggable fetch/axios, TanStack Query integration, and Zod schemas from any OpenAPI spec; actively maintained, fast, and free, making it the default for frontend teams consuming an API rather than publishing one.","reasons":[{"model":"Claude","reason":"The best open-source choice for the TypeScript-consumer side — generates fully typed clients with pluggable fetch/axios, TanStack Query integration, and Zod schemas from any OpenAPI spec; actively maintained, fast, and free, making it the default for frontend teams consuming an API rather than publishing one."}],"fixes":[{"model":"Claude","fix":"TypeScript only — no Python — and it produces client bindings, not a polished distributable SDK (no retries/pagination conventions, docs, or release tooling), so it doesn't serve API vendors shipping to third parties."}],"updated":"2026-07-18","api":"https://modelsagree.com/api/v1/best/best-openapi-sdk-generators-for-typescript-and-python.json"}],"page":"https://modelsagree.com/product/hey-api","check":"https://modelsagree.com/check?q=Hey%20API","updated":"2026-07-18T08:20:52.116Z","attribution":"modelsagree.com, CC BY 4.0"}