oRPCTypesafe APIs Made Simple 🪄

Easy to build APIs that are end-to-end type-safe and adhere to OpenAPI standards

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Playgrounds

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End-to-End Type Safety

Ensure type-safe inputs, outputs, and errors from client to server.

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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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Framework Integrations

Seamlessly integrate with TanStack Query (React, Vue, Solid, Svelte), Pinia Colada, 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.

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Reliability

Well-tested, TypeScript-based, production-ready, and MIT licensed.