Stainless
Generates hand-crafted SDKs trusted by OpenAI and Anthropic
About
Accepts an OpenAPI spec and produces high-quality, idiomatic SDKs that feel hand-written across TypeScript, Python, Go, Java, Kotlin, Ruby, PHP, and C#. GitHub integration auto-regenerates SDKs when the spec changes. The team behind OpenAI, Anthropic, Cloudflare, and Meta's official SDKs.
Choose Stainless when…
- •You want premium, hand-polished auto-generated SDKs
- •Anthropic or OpenAI-style SDK quality is your standard
- •You're building a developer platform and the SDK is a product
Builder Slot
Spec writing, API design, architecture diagrams, and contract-first tooling — the upstream layer before code is written
Other tools in this slot:
Integrates with (1)
Stainless reads OpenAPI/Swagger specs and generates polished, production-ready SDKs with retry logic, pagination, and type safety.
→ Enterprise-grade SDKs auto-generated from the Swagger spec — the same quality as handwritten Stripe or OpenAI SDKs.
Often paired with (2)
Alternatives to consider (3)
Pricing
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