Validation in Fastify

Overview

This page contains 3 code snippets for implementing Validation in Fastify. Each snippet is production-ready and can be copy-pasted directly into your project.

Available Snippets

WebSocket Server

Real-time WebSocket server with connection management

npx hanma add fastify-socket-server --framework fastify

WebSocket integration with Fastify
Client connection tracking
Message type handling

Zod Validation

Request validation with Zod schemas

npx hanma add fastify-zod --framework fastify

Body validation
Query and params validation
Type inference

Swagger/OpenAPI

OpenAPI documentation with Swagger UI

npx hanma add fastify-swagger --framework fastify

OpenAPI 3.1.0 specification
Interactive Swagger UI at /docs
JSON specification at /docs.json

Frequently Asked Questions

How do I implement Validation in Fastify?

Browse the snippets above and copy the code that matches your needs. Each snippet includes installation instructions and usage examples.

Are these snippets production-ready?

Yes, all snippets are designed for production use. However, always review and test them in your specific context before deployment.

Can I use these snippets with other Fastify versions?

These snippets are designed for the current major version of the framework. Check the snippet documentation for version compatibility notes.