Build backend endpoints with SvelteKit's +server.js files. Learn to handle HTTP methods, return JSON, and create REST APIs.

Build an Express API that requires Solana USDC payments. Return 402, verify payments, serve content.

HTTP 402 'Payment Required' finally has a real implementation. Learn how x402 enables pay-per-request APIs and micropayments on the web.

Learn how to prevent error message leakage in your SvelteKit API with a centralized sanitization utility that keeps attackers in the dark while maintaining developer experience.

How to handle validation errors, server errors, and network failures gracefully in a Vue 3 SPA consuming a Laravel API.

Laravel API resources provide fine-grained control over JSON responses, letting you transform models and include relationships consistently.

How to set up full authentication using Laravel Sanctum and Fortify including CORS, email verification, and password resets.

Laravel Telescope provides insight into requests, exceptions, and database queries. Essential for debugging your API.

Testing your API endpoints is essential when building a Laravel API. Here's how to use Insomnia or Postman with Sanctum token authentication.

How to set up Laravel 11 with Sanctum and Fortify for use as a headless API that your Vue SPA can consume.