449 Retry With

449

Retry With

Example HTTP Response

HTTP Response

HTTP/1.1 449 Retry With
Content-Type: text/html
Server: Microsoft-IIS/10.0
MS-RetryWith: Required-Header: X-Custom-Auth

<html><body>Please retry with the appropriate parameters</body></html>

Common Causes

Request missing required custom headers
Authentication parameters incomplete
Request needs additional context or metadata
Application requires specific retry behavior
Custom IIS authentication scheme requires more info
WebDAV operations needing additional properties

Technical Details

What does this mean?

Not quite right, try again! Like showing up to a party with the wrong password — the bouncer tells you what you're missing and gives you another shot. Come back with the right stuff!

Technical Definition

The request should be retried after performing the appropriate action based on additional information in the response headers.

Code Snippets

Ready-to-use code for returning this HTTP status in your application:

Node.js

// Express.js
app.get('/example', (req, res) => {
  res.status(449).json({
    error: 'Retry With',
    message: 'Your error message here'
  });
});

// Native HTTP
const http = require('http');

http.createServer((req, res) => {
  res.writeHead(449, { 'Content-Type': 'application/json' });
  res.end(JSON.stringify({
    error: 'Retry With',
    message: 'Your error message here'
  }));
}).listen(3000);

Related Status Codes

🔑428Precondition Required 📶511Network Authentication Required

449 Retry With FAQ

What causes a 449 Retry With error?

Request missing required custom headers. Authentication parameters incomplete. Request needs additional context or metadata. Application requires specific retry behavior. Custom IIS authentication scheme requires more info. WebDAV operations needing additional properties.

// Express.js app.get('/example', (req, res) => { res.status(449).json({ error: 'Retry With', message: 'Your error message here' }); }); // Native HTTP const http = require('http'); http.createServer((req, res) => { res.writeHead(449, { 'Content-Type': 'application/json' }); res.end(JSON.stringify({ error: 'Retry With', message: 'Your error message here' })); }).listen(3000);

449 Retry With FAQ

What causes a 449 Retry With error?