101101 Switching Protocols
The server is switching protocols as requested by the client via an Upgrade header.
205The server tells the client to reset the document view, such as clearing a form after submission.
After processing a form submission or similar request, the server instructs the browser to reset the page or form to its original state. This response must not include a body.
No fix needed. Implement form reset logic in your client when receiving this status. If your API does not need view resetting, consider using 200 or 204 instead.
101The server is switching protocols as requested by the client via an Upgrade header.
301The requested resource has been permanently moved to a new URL, and future requests should use the new URL.
527A Cloudflare Railgun connection error occurred between the Cloudflare edge and the Railgun listener.
523Cloudflare could not reach the origin server, typically due to DNS issues.
400The server cannot process the request due to a client error, such as malformed syntax, invalid parameters, or corrupt data.
525Cloudflare could not complete an SSL/TLS handshake with the origin server.