Migrate from Stainless to APIMatic without breaking your users integrations

Stainless, a platform known for regenerating SDKs when APIs change, is set to wind down by September 2026, prompting customers to find alternative code generators. The text discusses the complexities of migrating to another generator, emphasizing the importance of maintaining SDK quality and compatibility to avoid disruptions for existing users. APIMatic is introduced as a viable alternative, offering customization options to closely replicate Stainless SDKs. It highlights the use of configurations, OpenAPI spec updates, and custom code to minimize changes, and describes the migration process in detail, from spec preparation to configuration translation and customization. APIMatic has a robust history of generating SDKs for major companies and provides a detailed migration checklist to ensure a smooth transition, ultimately offering a free migration assessment service to facilitate the move.