https://buildwithfern.com Start with OpenAPI. Generate SDKs in multiple languages, interactive API documentation, and an agent-first CLI. en-us Thu, 21 May 2026 13:18:11 GMT https://buildwithfern.com/post/fern-replay https://buildwithfern.com/post/fern-replay Replay reapplies SDK customizations on top of every regeneration, automatically. Available across all SDK languages. Tue, 19 May 2026 00:00:00 GMT Tanmay Singh productsdks https://buildwithfern.com/post/fern-vs-stainless-sdk-generator https://buildwithfern.com/post/fern-vs-stainless-sdk-generator Compare Fern vs Stainless SDK generators in January 2026. Fern offers 9+ languages, WebSockets, gRPC, CLI workflow, and on-premise deployment vs Stainless dashboard approach. Sun, 17 May 2026 00:00:00 GMT Alex McKinney educationalsdks https://buildwithfern.com/post/agent-friendly-docs https://buildwithfern.com/post/agent-friendly-docs Writing docs that AI agents can actually use means doing content work and relying on platform scaffolding. Here's what I do, and what I can't. Fri, 15 May 2026 00:00:00 GMT Devin Logan companydocs https://buildwithfern.com/post/cli-generator https://buildwithfern.com/post/cli-generator Generate a CLI from the same API spec that powers your Fern Docs and SDKs. Now in early access. Thu, 07 May 2026 00:00:00 GMT Alex McKinney productcli https://buildwithfern.com/post/different-types-of-apis-guide https://buildwithfern.com/post/different-types-of-apis-guide Learn different types of APIs including REST, GraphQL, gRPC, and WebSocket. Complete guide for developers covering protocols and access levels in April 2026. Wed, 29 Apr 2026 00:00:00 GMT Nathan Lian educationaldocs-sdks https://buildwithfern.com/post/how-to-add-ai-chat-to-documentation https://buildwithfern.com/post/how-to-add-ai-chat-to-documentation Learn how to add AI chat to your documentation site in April 2026. RAG architecture, vector search, and citation enforcement for trusted developer answers. Tue, 28 Apr 2026 00:00:00 GMT Nathan Lian educationaldocs https://buildwithfern.com/post/api-documentation-for-non-technical-users https://buildwithfern.com/post/api-documentation-for-non-technical-users Learn how to make API documentation accessible for non-technical users with plain language, visual hierarchy, and interactive tools. April 2026 guide. Sat, 18 Apr 2026 00:00:00 GMT Nathan Lian educationaldocs https://buildwithfern.com/post/visual-editors-technical-documentation https://buildwithfern.com/post/visual-editors-technical-documentation Learn how visual editors for technical documentation help teams manage API docs, guides, and tutorials through Git workflows. April 2026 guide. Sat, 18 Apr 2026 00:00:00 GMT Nathan Lian educationaldocs https://buildwithfern.com/post/from-fern-customer-to-fern-contributor https://buildwithfern.com/post/from-fern-customer-to-fern-contributor Barry previously worked at Square for four and a half years, starting on the public-facing GraphQL API platform for external developers. Over time, he moved into the SDK pipeline, which is how he started working with Fern. Tue, 14 Apr 2026 00:00:00 GMT Barry Zou company https://buildwithfern.com/post/fern-vs-readme https://buildwithfern.com/post/fern-vs-readme Compare Fern vs ReadMe for API documentation in April 2026. See which platform offers better SDK generation, pricing, and developer experience. Wed, 08 Apr 2026 00:00:00 GMT Nathan Lian educationaldocs https://buildwithfern.com/post/agent-score https://buildwithfern.com/post/agent-score Fern built a Lighthouse-style benchmark for AI-agent readiness, ran it on our own docs, and shipped the fixes in public. Here's what we found. Tue, 07 Apr 2026 00:00:00 GMT Kapil Gowru companydocs https://buildwithfern.com/post/how-to-build-an-api https://buildwithfern.com/post/how-to-build-an-api Learn how to build an API with this complete April 2026 guide covering architecture, protocols, endpoints, auth, testing, and documentation best practices. Mon, 06 Apr 2026 00:00:00 GMT Nathan Lian educationaldocs-sdks https://buildwithfern.com/post/what-is-api-endpoint https://buildwithfern.com/post/what-is-api-endpoint Learn what API endpoints are, how they work, and best practices for building and testing them. Complete guide for developers updated April 2026. Mon, 06 Apr 2026 00:00:00 GMT Nathan Lian educationaldocs-sdks https://buildwithfern.com/post/api-design-best-practices-guide https://buildwithfern.com/post/api-design-best-practices-guide Learn API design best practices and principles in this complete guide for March 2026. Covers REST, GraphQL, authentication, versioning, and designing for AI agents. Wed, 01 Apr 2026 00:00:00 GMT Nathan Lian educationaldocs-sdks https://buildwithfern.com/post/api-development-tools-guide https://buildwithfern.com/post/api-development-tools-guide Learn API development tools and best practices including spec-first workflows, testing strategies, and SDK generation. Updated March 2026 with latest techniques. Wed, 01 Apr 2026 00:00:00 GMT Nathan Lian educationalsdks https://buildwithfern.com/post/rebuilding-docs-pages https://buildwithfern.com/post/rebuilding-docs-pages Fern's technical writer, Devin, maintains 500+ pages of documentation for Fern Docs and SDKs, with new features shipping daily. Every time a page needs updating, the content is the obvious part — the components underneath it are the editorial decision most writers don't revisit. Thu, 26 Mar 2026 00:00:00 GMT Devin Logan companydocs https://buildwithfern.com/post/api-testing-complete-guide-developers https://buildwithfern.com/post/api-testing-complete-guide-developers Complete API testing guide for developers in March 2026. Learn automation strategies, testing types, and tools to catch integration issues before users do. Tue, 24 Mar 2026 00:00:00 GMT Nathan Lian educationaldocs-sdks https://buildwithfern.com/post/prepare-apis-documentation-ai-agent-consumption https://buildwithfern.com/post/prepare-apis-documentation-ai-agent-consumption Learn how to prepare your APIs and documentation for AI agent consumption in March 2026 with OpenAPI specs, llms.txt files, and machine-readable formats. Tue, 24 Mar 2026 00:00:00 GMT Nathan Lian educationaldocs https://buildwithfern.com/post/api-documentation-platforms-mdx-component-support https://buildwithfern.com/post/api-documentation-platforms-mdx-component-support Compare API documentation platforms with MDX and React component support. See which tools offer interactive components, SDK generation in March 2026. Mon, 16 Mar 2026 00:00:00 GMT Nathan Lian educationaldocs https://buildwithfern.com/post/enterprise-security-api-documentation-platforms https://buildwithfern.com/post/enterprise-security-api-documentation-platforms Compare the best API documentation platforms for enterprise security and access control in March 2026. Features include SSO, RBAC, and self-hosting options. Mon, 16 Mar 2026 00:00:00 GMT Nathan Lian educationaldocs