Generate OpenAPI v3 documentation and Postman Collections from your Serverless Config
Generate typed server-side service interfaces and framework routers from OpenAPI 3.1
Code-first API docs + OpenAPI 3.1 export + integration tests + runtime validation for Node.js. Define routes once with Zod and get docs, runnable flows, 422-on-invalid-request validation, OpenAPI 3.1 export, and schema drift detection for Express, Fastify
Generate TypeScript models, native fetch client and Zod schemas from OpenAPI 3.1, zero runtime footprint
Streaming OpenAPI / JSON Schema 2020-12 validator. Validates a JSON body as it streams with bounded memory for multi-GB payloads, echoing bytes through unchanged while reporting violations on a side channel. Built on @aahoughton/oav-core.
Fastify preValidation hook for OpenAPI request validation (3.0/3.1/3.2). Checks the request against your spec and returns problem+json errors. Built on @aahoughton/oav-core.
Express 5 middleware for OpenAPI request validation (3.0/3.1/3.2). Promise-native; checks the request against your spec and returns problem+json errors. Built on @aahoughton/oav-core.
Express 4 middleware for OpenAPI request validation (3.0/3.1/3.2). Checks method, path, params, body, and headers against your spec and returns problem+json errors. Built on @aahoughton/oav-core.
Zero-dependency OpenAPI request/response validator (3.0/3.1/3.2) for TypeScript, Node, and edge/serverless runtimes.
OpenAPI request/response validator (3.0/3.1/3.2) for TypeScript and Node, with structured errors, spec overlays, YAML loading, and a CLI.