Service Unavailable

The server is currently unable to handle the request due to temporary overload or maintenance.

Common Use

Used during deployments, maintenance windows, or when the server is overloaded. Often includes Retry-After header.

https://codes.uncodigo.com/http/503

curl -i https://codes.uncodigo.com/http/503

Request URL


GET /http/503

Response

Click "Send Request" to see the response...

GET /api/data HTTP/1.1

HTTP/1.1 503 Service Unavailable
Retry-After: 300

{"error": "Maintenance in progress"}

Retry-After

When the service will be available

Retry-After: 3600