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description=Start with OpenAPI. Generate SDKs in multiple languages, interactive API documentation, and an agent-first CLI.;

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Text of the page (random words):
fern docs sdks and clis for your api products resources docs beautiful customizable documentation websites sdks client libraries designed by language experts cli interact with your api from the terminal documentation learn how to use fern careers we re hiring trust center soc 2 compliant and secure get your agent readiness score customers blog pricing sign in start for free book a demo sign in book a demo upgrade your developer and agent experience docs sdks and a cli for your api built for the ai era migrate from agent friendly docs generated sdks docs your developers and agents actually use with search mcp server llms txt and ai search baked in 20m docs pages served per year 99 reduction in time to first api call 14x ai search engagement docs sdks and cli d o c s s d k s a n d c l i from one source of truth f r o m o n e s o u r c e o f t r u t h support modern api protocols rest websockets and graphql openapi graphql asyncapi grpc terminal fern generate docs beautiful customizable documentation websites sdks client libraries designed by language experts cli interact with your api from the terminal designed for the ai era d e s i g n e d f o r t h e a i e r a integrate ai into how you write maintain and consume docs docs yml 1 instances 2 url docs example com 3 navigation 4 section get started 5 contents 6 page introduction 7 page quickstart theme css 1 root 2 color bg fafafa 3 color text 1f1f1f 4 color accent 5b5bd6 5 radius 8px 6 font sans inter sans serif 7 quickstart mdx 1 2 title quickstart 3 description get started in 3 steps 4 hidden false 5 6 7 follow the tutorial below to get started with our platform docs as code manage your documentation like the rest of your codebase version changes in git review with pull requests and use any coding agent to write and update content ai chat in docs built in ai chat lets users ask questions and get answers grounded in your docs with no hallucinations or generic responses llms txt your docs ship as clean markdown with an auto generated llms txt so every llm and agent can read them mcp server expose your docs and api through an mcp server so ai tools can query and execute in real time ai assisted authoring tag fern writer to draft updates open github prs and keep your documentation in sync with what your team ships migrate to the enterprise platform m i g r a t e t o t h e e n t e r p r i s e p l a t f o r m teams come to fern from every kind of stack our team handles the heavy lifting so you ship faster than you did before migrate to fern from readme migrated to run docs and sdks without dedicated engineering headcount also migrated from internal solutions migrated to aggregate dozens of github repos into one docs site also migrated from mintlify ships first class websocket sdks alongside rest from one spec also migrated enterprise ready by default e n t e r p r i s e r e a d y b y d e f a u l t security deployment and partnership that scale with your api security access control gate your docs so customers see only the content relevant to them connect any saml or oidc provider and lock pages down by role team or plan email jane yourcompany com password sign in multi source docs aggregate content from multiple repos into one site with product and version switching that scales across teams without breaking ia docs example com acme server api acme ts sdk sdk acme billing billing self host run on our managed cloud or self host to meet stricter security networking and compliance requirements localization first class translated content ship docs in multiple languages as part of the rollout not as a bolt on compliance soc 2 type ii and annual pentests reports and supporting security documentation available for procurement support slas uptime sla escalation paths and a dedicated slack or teams channel with 24 7 coverage for critical incidents native postman support generate and publish postman collections from the same source of truth as your docs and sdks keep your approved postman workflows without duplicate specs or manual upkeep read the postman docs elevate your developer experience e l e v a t e y o u r d e v e l o p e r e x p e r i e n c e generate beautiful docs idiomatic sdks and an agent first cli from your api spec one source of truth everything in sync book a demo start for free delight your developers with beautiful docs idiomatic sdks an agent first cli subscribe all systems operational soc 2 type ii also of interest how 2 designers and ai rebuilt fern s marketing site revamping our website introducing fern replay view as markdown documentation getting started openapi compatibility docs sdks cli resources blog careers customers support pricing company brand kit github privacy policy terms of service 2026 fern a postman company located in brooklyn new york dev