+**503** is an [HTTP](/wiki/HTTP) [status code](/wiki/Status_Code) indicating that the server is currently unable to handle the request due to a temporary overload or scheduled maintenance. It suggests the client should try again after some delay, as the condition is usually temporary.
+## See also
+- [Error](/wiki/Error)
+- [Server](/wiki/Server)
+- [Request](/wiki/Request)
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