Client Error (4xx)
HTTP 405 β 405 Method Not Allowed
A request method is not supported for the requested resource (e.g. GET on an endpoint that only accepts POST).
Common Causes & Diagnoses
- β’Sending GET to a POST-only API endpoint.
Spesifikasyon & Kategori
Status Code:405
Category:Client Error (4xx)
RFC Standard:RFC 9110 / HTTP/1.1 & HTTP/2
Multi-Language Code Implementations
How to Handle, Return & Test HTTP 405
Status: 405 405 Method Not Allowed
server.js / handler.ts
// Express.js Server Response
app.get('/api/resource', (req, res) => {
// Returning 405 405 Method Not Allowed
return res.status(405).json({
error: '405 Method Not Allowed',
statusCode: 405,
timestamp: new Date().toISOString()
});
});
// Client-side fetch error check
const response = await fetch('/api/resource');
if (response.status === 405) {
console.warn('Received HTTP 405 405 Method Not Allowed');
}π‘ Pro Tip: Ensure appropriate error handling middleware or proxy interceptors are enabled so client applications receive structured JSON responses for HTTP 405.
How to Fix / Practical Code Solutions
Include Allow Header
Server must send Allow: POST, PUT header with 405 status.
Other Popular HTTP Status Codes
Frequently Asked Questions
Common Questions About HTTP 405 to RFC Standard
Everything you need to know regarding specifications, syntax, and security best practices.
A request method is not supported for the requested resource (e.g. GET on an endpoint that only accepts POST). In Turkish: İlgili uç nokta kullanılan HTTP metodunu (POST, GET, PUT) desteklemiyor.