407 Proxy Authentication Required
A proxy between you and the server needs credentials.
What it means
Like 401, but for an intermediary proxy. See Proxy-Authenticate.
What your client should do
Configure proxy credentials in your client or network settings.
Should you retry?
Only after you change the request.
Try it
The free practice API returns this status on demand, with the headers a well-behaved API would send. Call GET /api/play/status/407 from Endpoint Client and open the Explain tab.
Defined in RFC 9110. All status codes and headers