Debugging a JavaScript Fetch Request That Returns 419

A 419 response in a Laravel application commonly points to a CSRF/session problem, not necessarily a broken API endpoint. Start in the browser's Network panel and inspect the request URL, method, cookies, headers, and response body.For requests that use Laravel's web middleware, include a valid CSRF token. A common pattern is to expose the token in a meta tag and send it in the X-CSRF-TOKEN header...