This guide helps you understand the different HTTP status codes.

1xx - Informational

Error 100: OK to continue
The server has received the request headers and the client can continue sending the request body.

Error 101: The server has switched protocols
The server accepts changing the communication protocol as requested by the client.

2xx - Success

Error 200: Request successful
The request was successfully processed by the server.

Error 201: Document created (reason: new URI)
The request was successful and resulted in the creation of a new resource.

Error 202: Request completed asynchronously (TBS)
The request has been accepted, but processing is not yet complete.

Error 203: Request completed incompletely
The server has successfully processed the request, but the information returned comes from a third-party source.

Error 204: No information to return
The request was processed successfully, but there is no content to return.

Error 205: Request completed but form is empty
The server processed the request successfully and asks the client to reset the document that submitted the request.

Error 206: Incomplete GET request
The server only returns a portion of the data, as requested by the client with the Range header.

3xx - Redirections

Error 300: The server cannot determine the return code
The request has multiple possible responses, and the server cannot automatically choose one of them.

Error 301: Document permanently moved
The requested resource has been permanently moved to a new URL.

Error 302: Document temporarily moved
The requested resource is temporarily located at a different URL.

Error 303: Redirection with new access method
The response to the request can be found at a different URL using a GET method.

Error 304: The 'If-Modified-Since' field was not modified
The resource has not been modified since the last request. No new data will be returned.

Error 305: Redirect to a proxy specified by the header
The requested resource must be accessed through a specified proxy.

Error 307: Temporary Redirect
The requested resource is temporarily located under a different URL, but the client must use the same method to make the next request.

4xx - Client Errors

Error 400: Syntax error in the document address
The request is incorrect or malformed.

Error 401: No authorization to access the document
Access to the resource requires authentication.

Error 402: Access to the document requires payment
This code is reserved for future use regarding online payments. Services outside of Infomaniak use it in some cases to indicate a payment problem, but these uses are specific to these platforms – not a global standard.

Error 403: Access to the server is not authorized
The server understands the request but refuses to authorize it.

Error 404: The requested page does not exist
The server cannot find the requested resource.

Error 405: Form request method not allowed
The method specified in the request is not allowed for the target resource.

Error 406: Request not accepted by the server
The requested resource is unable to generate content acceptable according to the Accept headers sent in the request.

Error 407: Proxy authentication required
Access to the resource requires authentication through a proxy.

Error 408: Request timeout
The server did not receive the complete request within the allotted time.

Error 409: The user must resubmit with more information
The request could not be processed due to a conflict with the current state of the resource.

Error 410: This resource is no longer available
The requested resource is no longer available and has been permanently removed.

Error 411: The server refused the request because it has no length
The server refuses to process the request without a valid Content-Length header.

Error 412: The precondition given in the request failed
One of the conditions specified in the request headers failed.

Error 413: The request entity was too large
The server refuses to process the request because the size of the entity is too large.

Error 414: Request-URI Too Long
The server refuses to process the request because the URI is too long.

Error 415: Unsupported Media Type
The server refuses to process the request because the format of the request entity is not supported.

5xx - Server Errors

Error 500: Internal Server Error
The server encountered an unexpected condition that prevented it from fulfilling the request.

Error 501: Request made to the server is not supported
The server does not support the functionality required to process the request.

Error 502: Bad gateway
The server, acting as a gateway or proxy, received an invalid response from the upstream server.

Error 503: Service unavailable
The server is currently unavailable (overload or maintenance).

Error 504: Gateway timeout
The server, acting as a gateway or proxy, did not receive a timely response from the upstream server.

Error 505: HTTP version not supported
The server does not support the HTTP protocol version used in the request.