Here, we evaluate the developer experience of eight popular SDK generators, like Fern, APIMatic, Speakeasy, Stainless, and others.

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SDK generators automate the creation of software development kits, reducing the need for repetitive boilerplate code and streamlining API integrations. This post reviews eight SDK generators, highlighting their features, benefits, and drawbacks. Fern and APIMatic are identified as top choices, with Fern praised for its high-quality, idiomatic, and typesafe code, while APIMatic stands out for its robust customization and documentation capabilities.

Review of 8 SDK Generators for APIs in 2025