orpc-guide

Build type-safe APIs with oRPC — end-to-end type safety meets OpenAPI compliance. Covers procedures, routers, middleware, context, error handling, file uploads, SSE/streaming, server actions, contract-first development, OpenAPI spec generation, and 20+ framework adapters (Next.js, Express, Hono, Fastify, WebSocket, Electron, Cloudflare Workers, and more). Includes TanStack Query, SWR, Better Auth, AI SDK, and Sentry integrations.