October 24, 2025 - Zod Type Provider for Fastify@5. Latest version: 7.0.0, last published: a month ago. Start using fastify-type-provider-zod in your project by running `npm i fastify-type-provider-zod`. There are 182 other projects in the npm registry using fastify-type-provider-zod.

The following sets up a Zod Type Provider: $ npm i zod @fastify/type-provider-zod ·

December 9, 2025 - By combining Zod with Fastify’s type providers, this package bridges the gap between static typing and runtime schema enforcement.

January 25, 2026 - import type { ZodTypeProvider } from 'fastify-type-provider-zod'; import { serializerCompiler, validatorCompiler } from 'fastify-type-provider-zod'; import { z } from 'zod/v4'; const app = Fastify(); // Add schema validator and serializer app.setValidatorCompiler(validatorCompiler); app.setSerializerCompiler(serializerCompiler); app.withTypeProvider<ZodTypeProvider>().route({ method: 'GET', url: '/', // Define your schema schema: { querystring: z.object({ name: z.string().min(4), }), response: { 200: z.string(), }, }, handler: (req, res) => { res.send(req.query.name); }, }); app.listen({ port: 4949 });

Fastify dispatches serialization per content type — set the response Content-Type header in the handler to select which schema validates the response body: handler: (req, res) => { res.header('Content-Type', 'application/vnd.v1+json'); res.send([{ ...

Fastify type provider, validation, serialization and @fastify/swagger support for zod-openapi. ... npm install zod fastify-zod-openapi ## or yarn add zod fastify-zod-openapi ## or pnpm install zod fastify-zod-openapi

import type { ZodTypeProvider } from 'fastify-type-provider-zod'; import { serializerCompiler, validatorCompiler } from 'fastify-type-provider-zod'; import { z } from 'zod/v4'; const app = Fastify(); // Add schema validator and serializer app.setValidatorCompiler(validatorCompiler); app.setSerializerCompiler(serializerCompiler); app.withTypeProvider<ZodTypeProvider>().route({ method: 'GET', url: '/', // Define your schema schema: { querystring: z.object({ name: z.string().min(4), }), response: { 200: z.string(), }, }, handler: (req, res) => { res.send(req.query.name); }, }); app.listen({ port: 4949 });

September 24, 2024 - With Fastify wrapped in the zod-fastify library, we can now integrate the fastify-type-provider-zod library. According to the documentation, we’ll set both the validatorCompiler and serializerCompiler from the Zod provider.

@fastify/type-provider-typebox · And a zod wrapper by a third party called fastify-type-provider-zod · They simplify schema validation setup and you can read more about them in Type Providers page. Below is how to setup schema validation using the typebox, json-schema-to-typescript, and json-schema-to-ts packages without type providers.

August 17, 2023 - Shorthand to buildJsonSchema({ [$id]: Type }).schemas[0]. Add schemas to fastify and decorate instance with zod property to add strongly-typed routes (see fastify.zod below).

# Fastify Type Provider Zod [](https://npmjs.org/package/fastify-type-provider-zod) [](https://npmjs.org/package/fastify-type-provider-zod) ...

app.withTypeProvider<FastifyZodOpenApiTypeProvider>().get( '/', { schema: { querystring: z.object({ jobId: z.string().meta({ description: 'Job ID', example: '60002023', }), }), }, attachValidation: true, }, (req, res) => { if (req.validationError?.validation) { const zodValidationErrors = req.validationError.validation.filter( (err) => err instanceof RequestValidationError, ); console.error(zodValidationErrors); } return res.send(req.query); }, ); app.setErrorHandler((error, _req, res) => { if (error instanceof ResponseSerializationError) { return res.status(500).send({ error: 'Bad response', }); } }); // { // error: 'Bad response'; // } fastify-type-provider-zod: Big kudos to this library for lighting the way with how to create type providers, validators and serializers.

Zod Type Provider for Fastify@5 Latest: 6.1.0. 1 vulnerability found.

A Type Provider for Zod. ... Starting from v0, this library uses Zod’s .encode() / .decode() APIs introduced in Zod 4.1. Because of this change, response serialization is now based on z.output<T> instead of z.input<T>. import type { ...

I'm using Fastify with the fastify-type-provider-zod plugin: const fastify = Fastify().withTypeProvider (); And the fastify-autoload plugin: // This loads all plugins defined...

Zod Type Provider for Fastify@5 · Use Zod schemas to both validate incoming data and infer TypeScript types automatically

October 3, 2024 - As bibliotecas @fastify/swagger, zod e fastify-type-provider-zod. Primeiro, vamos criar uma nova aplicação Fastify. Caso ainda não tenha um projeto, você pode criar um utilizando o seguinte comando: npm init -y npm install fastify npm install -D typescript @types/node tsx

# Fastify Type Provider Zod [](https://npmjs.org/package/fastify-type-provider-zod) [](https://npmjs.org/package/fastify-type-provider-zod) ...

Fastify type provider, validation, serialization and @fastify/swagger support for zod-openapi. ... npm install zod fastify-zod-openapi ## or yarn add zod fastify-zod-openapi ## or pnpm install zod fastify-zod-openapi

Find the size of javascript package fastify-type-provider-zod. Bundlephobia helps you find the performance impact of npm packages.