Stainless Automates SDK Creation for OpenAI, Anthropic, and Meta APIs
Stainless uses an AI-powered compiler to automatically generate software development kits from API specifications, saving developers from manual coding. The platform supports multiple programming languages and keeps SDKs updated as APIs evolve.
Developers expect software development kits (SDKs) alongside tech products, but many vendors only offer basic APIs that require users to read documentation and build connections from scratch. Stainless solves this problem by using a compiler to automatically generate SDKs from API specifications in programming languages like Python, TypeScript, Kotlin, and Go. The platform relies on AI to produce an initial configuration that development teams can fine-tune to their specific needs.
As APIs evolve and change, the Stainless platform automatically pushes updates to the generated SDKs while providing options for versioning and publishing changelogs. This automated approach prevents libraries from becoming inconsistent or outdated, which traditionally happens when in-house developers manually build and maintain connections in various programming languages. Founder Alex Rattray believes this drives quicker upgrades and significantly reduces the time required for integration.
Stainless faces competition from other API-to-SDK generators like LibLab, Speakeasy, and the open-source OpenAPI Generator. However, Rattray argues that Stainless delivers superior code quality and polish compared to these alternatives, which often require extensive manual editing to meet professional standards. The company already powers SDKs for major AI players including OpenAI, Anthropic, and Meta, validating its approach in the rapidly growing API economy.