@orpc/contract

Typesafe APIs Made Simple 🪄

oRPC is a powerful combination of RPC and OpenAPI, makes it easy to build APIs that are end-to-end type-safe and adhere to OpenAPI standards

Highlights

• 🔗 End-to-End Type Safety: Ensure type-safe inputs, outputs, and errors from client to server.
• 📘 First-Class OpenAPI: Built-in support that fully adheres to the OpenAPI standard.
• 📝 Contract-First Development: Optionally define your API contract before implementation.
• 🔍 First-Class OpenTelemetry: Seamlessly integrate with OpenTelemetry for observability.
• ⚙️ Framework Integrations: Seamlessly integrate with TanStack Query (React, Vue, Solid, Svelte, Angular), SWR, Pinia Colada, and more.
• 🚀 Server Actions: Fully compatible with React Server Actions on Next.js, TanStack Start, and other platforms.
• 🔠 Standard Schema Support: Works out of the box with Zod, Valibot, ArkType, and other schema validators.
• 🗃️ Native Types: Supports native types like Date, File, Blob, BigInt, URL, and more.
• ⏱️ Lazy Router: Enhance cold start times with our lazy routing feature.
• 📡 SSE & Streaming: Enjoy full type-safe support for SSE and streaming.
• 🌍 Multi-Runtime Support: Fast and lightweight on Cloudflare, Deno, Bun, Node.js, and beyond.
• 🔌 Extendability: Easily extend functionality with plugins, middleware, and interceptors.

Documentation

You can find the full documentation 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/openapi: Generate OpenAPI specs and handle OpenAPI requests.
• @orpc/otel: OpenTelemetry integration for observability.
• @orpc/nest: Deeply integrate oRPC with NestJS.
• @orpc/react: Utilities for integrating oRPC with React and React Server Actions.
• @orpc/tanstack-query: TanStack Query integration.
• @orpc/experimental-react-swr: SWR integration.
• @orpc/vue-colada: Integration with Pinia Colada.
• @orpc/hey-api: Hey API integration.
• @orpc/zod: More schemas that Zod doesn't support yet.
• @orpc/valibot: OpenAPI spec generation from Valibot.
• @orpc/arktype: OpenAPI spec generation from ArkType.

@orpc/contract

Build your API contract. Read the documentation for more information.

export const PlanetSchema = z.object({
  id: z.number().int().min(1),
  name: z.string(),
  description: z.string().optional(),
})

export const listPlanetContract = oc
  .input(
    z.object({
      limit: z.number().int().min(1).max(100).optional(),
      cursor: z.number().int().min(0).default(0),
    }),
  )
  .output(z.array(PlanetSchema))

export const findPlanetContract = oc
  .input(PlanetSchema.pick({ id: true }))
  .output(PlanetSchema)

export const createPlanetContract = oc
  .input(PlanetSchema.omit({ id: true }))
  .output(PlanetSchema)

export const contract = {
  planet: {
    list: listPlanetContract,
    find: findPlanetContract,
    create: createPlanetContract,
  },
}

Sponsors

If you find oRPC valuable and would like to support its development, you can do so here: GitHub Sponsors.

🏆 Platinum Sponsor

ScreenshotOne.com

🥈 Silver Sponsor

村上さん

Generous Sponsors

LN Markets

Sponsors

Reece McDonald	あわわわとーにゅ	nk	supastarter	Dexter Miguel	herrfugbaum
Ryota Murakami	David Cramer	Valerii Petryniak	Valerii Strilets	Kyle Mistele	christ12938
Ryan Soderberg	shota	Ellis Driscoll	Hoang Nguyen

Backers

David Walsh	Robbe Vaes	Aidan Sunbury	soonoo	Kevin Porten	Denis	Christopher Kapic
Tom Ballinger	Sam	Titoine	Igor Makowski	hanayashiki	Lev Dubinets	Kelly Peilin Chan
Guy Ariely	Alex	Andrey Gubanov

With thanks to 37 past sponsors who helped get oRPC here.

License

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