Informational (1xx)
HTTP 101 — 101 Switching Protocols
The requester has asked the server to switch protocols (e.g. HTTP to WebSocket).
Common Causes & Diagnoses
- •WebSocket Upgrade request sent over HTTP/1.1.
Spesifikasyon & Kategori
Status Code:101
Category:Informational (1xx)
RFC Standard:RFC 9110 / HTTP/1.1 & HTTP/2
Multi-Language Code Implementations
How to Handle, Return & Test HTTP 101
Status: 101 101 Switching Protocols
server.js / handler.ts
// Express.js Server Response
app.get('/api/resource', (req, res) => {
return res.status(101).json({ success: true, status: 101 });
});
// Client-side fetch error check
const response = await fetch('/api/resource');
if (response.status === 101) {
console.warn('Received HTTP 101 101 Switching Protocols');
}💡 Pro Tip: Ensure appropriate error handling middleware or proxy interceptors are enabled so client applications receive structured JSON responses for HTTP 101.
How to Fix / Practical Code Solutions
WebSocket Handshake
Verify connection headers include Upgrade: websocket.
Other Popular HTTP Status Codes
Frequently Asked Questions
Common Questions About HTTP 101 to RFC Standard
Everything you need to know regarding specifications, syntax, and security best practices.
The requester has asked the server to switch protocols (e.g. HTTP to WebSocket). In Turkish: İstemcinin protokol değiştirme talebi kabul edildi (örn. WebSocket el sıkışması).