Home API Evangelist API Evangelist — 3 posts on September 15 API Evangelist — 3 posts on September 15 September 15, 2026 · API Evangelist Published on API Evangelist: Fern Puts SDK Design Decisions In The Contract Is OpenAPI Still Relevant When You Tell Claude “Make Me an API”? Onboarding Shipped As An Agent Skill Visit API Evangelist →