HTTP Status Codes

Headers accepted, continue request body.

Protocol upgrade accepted.

Preload hints before final response.

Request succeeded.

Resource created.

Success without body.

Permanent redirect.

Temporary redirect.

Use cached representation.

Redirect, preserve method.

Permanent redirect, preserve method.

Malformed request.

Auth required.

Access denied.

Resource not found.

Rate limit exceeded.

Unexpected server failure.

Invalid upstream response.

Service unavailable.

Upstream timeout.