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End-to-End Type Safety
Ensure type-safe inputs, outputs, and errors from client to server.
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oRPCTypesafe APIs Made Simple 🪄
Easy to build APIs that are end-to-end type-safe and adhere to OpenAPI standards
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First-Class OpenAPI
Built-in support that fully adheres to the OpenAPI standard.
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Contract-First Development
Optionally define your API contract before implementation.
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First-Class OpenTelemetry
Seamlessly integrate with OpenTelemetry for observability.
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Framework Integrations
Seamlessly integrate with TanStack Query (React, Vue, Solid, Svelte, Angular, etc.), SWR, Pinia Colada, NestJS, and more.
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Server Actions
Fully compatible with React Server Actions on Next.js, TanStack Start, and other platforms.
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Standard Schema Support
Works out of the box with Zod, Valibot, ArkType, and other schema validators.
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Native Types
Supports native types like Date, File, Blob, BigInt, URL, and more.
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Lazy Router
Enhance cold start times with our lazy routing feature.
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SSE & Streaming
Enjoy full type-safe support for SSE and streaming.
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Multi-Runtime Support
Fast and lightweight on Cloudflare, Deno, Bun, Node.js, and beyond.
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Extendability
Easily extend functionality with plugins, middleware, and interceptors.
Are you an LLM? View /llms.txt for optimized Markdown documentation, or /llms-full.txt for full documentation bundle