API Routes & Request Handling

Build RESTful API endpoints, handle HTTP requests, and fetch data using TanStack Start API routes

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What is this?

This showcase demonstrates building API endpoints, handling HTTP requests, and fetching data from API routes using TanStack Start. API routes provide a traditional REST API type alongside = server functions.

Why use this?

  • RESTful API patterns for standard HTTP APIs
  • Multiple HTTP methods - GET, POST, PUT, DELETE
  • Standard fetch API for client-side requests
  • Works with external clients - mobile apps, third parties
  • Flexible response formats - JSON, HTML, files, etc.
  • Familiar REST patterns for teams used to Express/Fastify

API Request Demo - Names List

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Implementation Details

1. Creating API Routes

Create API route files to define HTTP endpoints.

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2. Fetching from API Routes

Use standard fetch API to request data from your endpoints.

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3. Handling Different Methods

Export functions for different HTTP methods in the same route file.

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4. Error Handling and Status Codes

Return appropriate HTTP status codes and error messages.

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Key Concepts

REST vs Server Functions

API routes provide REST APIs for external clients, while server functions are better for internal app logic with type safety.

HTTP Method Semantics

Use GET for reading, POST for creating, PUT/PATCH for updating, DELETE for removing - following REST conventions.

Request/Response Objects

Standard Web APIs (Request, Response) work in TanStack Start, making it compatible with existing web standards.

Related Projects

Related project: data-fetching-tanstack-query

Note: Related project cards will be populated from the registry