
Company News
Socket Joins New OpenJS Program to Fund Node.js Security Work
Socket is joining the OpenJS Security Stewardship Program to fund Node.js vulnerability research, maintainer remediation, and security releases.
@orpc/shared
Advanced tools
You can read the documentation here.
Core
| Package | Purpose | Docs |
|---|---|---|
| @orpc/contract | Define API contract as the single source of truth. | Procedure Contract, Contract Router, Implementation, Generate from OpenAPI |
| @orpc/server | Build APIs or implement contracts. | Procedure, Router, Middleware, Context, RPC Handler |
| @orpc/client | Consume APIs with end-to-end type safety. | Client-Side Clients, Server-Side Clients, RPC Link, Error Handling |
| @orpc/openapi | Add OpenAPI compatibility to APIs. | OpenAPI Handler, OpenAPI Link, Specification, Scalar |
Schema validation
| Package | Purpose | Docs |
|---|---|---|
| @orpc/zod | JSON Schema converter for Zod. | Zod |
| @orpc/valibot | JSON Schema converter for Valibot. | Valibot |
| @orpc/arktype | JSON Schema converter for ArkType. | ArkType |
Built-in features
| Package | Purpose | Docs |
|---|---|---|
| @orpc/publisher | Pub/Sub with memory, Redis, and Upstash adapters. | Publisher |
| @orpc/ratelimit | Rate limiting with memory, Redis, and Upstash adapters. | Rate Limit |
| @orpc/experimental-lock | Locking with memory, Redis, and Upstash adapters. | Lock |
| @orpc/hibernation | Leverage Hibernation APIs like Cloudflare's Hibernation WebSocket. | Hibernation |
| @orpc/json-schema | Smart coercion for OpenAPI requests. | Smart Coercion |
Framework & ecosystem integrations
| Package | Purpose | Docs |
|---|---|---|
| @orpc/next | Integrate with Next.js Server Functions. | Next.js |
| @orpc/ai-sdk | Turn contracts and procedures into AI SDK tools. | AI SDK |
| @orpc/tanstack-query | Integrate with TanStack Query. | TanStack Query |
| @orpc/pinia-colada | Integrate with Pinia Colada. | Pinia Colada |
| @orpc/swr | Integrate with SWR. | SWR |
| @orpc/experimental-msw | Mock procedures with Mock Service Worker. | MSW |
| @orpc/experimental-effect | Integrate with Effect. | Effect |
| @orpc/nest | Implement your contract with NestJS. | NestJS |
| @orpc/node | Node.js plugins for static file serving and large uploads. | Static File, Tmp File Upload, Batch Response Compression |
| @orpc/bun | Adapters for Bun's Redis. | Publisher, Rate Limit, Lock |
| @orpc/cloudflare | Adapters for Cloudflare Workers. | Publisher, Rate Limit, Lock, Traces |
| @orpc/trpc | Reuse existing tRPC routers within oRPC. | tRPC |
Observability
| Package | Purpose | Docs |
|---|---|---|
| @orpc/opentelemetry | Integrate with OpenTelemetry for distributed tracing. | OpenTelemetry |
| @orpc/pino | Integrate with Pino for logging. | Pino |
| @orpc/evlog | Integrate with Evlog for logging. | Evlog |
Like what we build over at middleapi? You can help keep it going through GitHub Sponsors or Open Collective. Every bit helps! π
The screenshot API for developers |
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Kelly Peilin Chan | Guy Ariely | PaulSenon | Alex | Andrey Gubanov |
With thanks to 36 past sponsors who helped get oRPC here.
oRPC is inspired by existing solutions that prioritize type safety and developer experience. Special acknowledgments to:
Distributed under the MIT License. See LICENSE for more information.
FAQs

Company News
Socket is joining the OpenJS Security Stewardship Program to fund Node.js vulnerability research, maintainer remediation, and security releases.

Security News
Two compromised GitHub Actions were re-enabled with malicious tags intact, exposing thousands of downstream repositories to Mini Shai-Hulud.

Research
/Security News
A malicious Firefox extension fetches its payload after installation to evade detection, steal Google session cookies, and automate account takeover.