End-to-end typesafe APIs built quicker & easier

Note

This project is still in heavy development, please be mindful of breaking changes.

oRPC is a powerful combination of RPC and OpenAPI, offering an exceptional developer experience powered by TypeScript. It's designed to be simple and straightforward to use.

Features

Type-safe 🔒: oRPC is built on top of TypeScript, which means you get full type safety out of the box.
Easy to use ✍️: oRPC is designed to be simple and straightforward to use.
Contract first 📝: Take advantage of a "contract first" approach to developing your API.
Built-in plugins 🔌: Easily implement into your favourite frameworks.

Documentation & Examples

You can find the full documentation & examples here.

Packages

@orpc/contract: Build your API contract.
@orpc/server: Build your API or implement API contract.
@orpc/client: Consume your API on the client with type-safety.
@orpc/react: High level integration with React Query.
@orpc/react-query: Low level integration with React Query.
@orpc/vue-query: Low level integration with Vue Query.
@orpc/openapi: Generate OpenAPI specs and provide OpenAPI handler for @orpc/server.
@orpc/next: Helpers and hooks for Next.JS.
@orpc/zod: More schemas that Zod doesn't support yet.

Comparison

This comparison table helps you understand how oRPC differs from other popular TypeScript RPC and REST solutions.

✅ First-class, built-in support.
🟡 Lacks features, or requires third-party integrations.
🛑 Not supported or not documented.

Feature	oRPC	tRPC	ts-rest	Description
End-to-end Type Safety	✅	✅	✅	Full TypeScript type inference from backend to frontend.
SSR Support	✅	✅	✅	Server-side rendering compatibility.
React Query Integration	✅	✅	🟡	Native support for React Query/TanStack Query.
Vue Query Integration	✅	🛑	🟡	Native support for Vue Query/TanStack Query.
Contract-First Development	✅	🛑	✅	API definitions before implementation.
File Operations	✅	🟡	🟡	Built-in support for file uploads/downloads.
OpenAPI Support	✅	🟡	🟡	Generation and consumption of OpenAPI specs.
Server Actions Support	✅	✅	🛑	React/Next.js Actions compatibility.

License

Distributed under the MIT License. See LICENSE for more information.