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HTTP Error Response Codes

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These codes compliment ordinary HTTP response codes returned in 'response_code'

Code	Error	Description
1	HTTP_ERROR_BAD_HOST	Indicates that the URL used in an HTTP request is invalid or cannot be resolved by the DNS server.
2	HTTP_ERROR_NO_SOCKET	Indicates that there was a failure in establishing a network socket connection when making an HTTP request.
3	HTTP_ERROR_CANT_CONNECT	Indicates that the client is unable to establish a connection to the server when making an HTTP request. This error can occur due to various reasons, including network connectivity issues or unavailability of the server.
4	HTTP_ERROR_CANT_WRITE	Indicates that there was a failure in writing data during an HTTP request. This error can occur for various reasons related to the client, server, or network.
5	HTTP_ERROR_CONTENT_TOO_BIG	Indicates that the size of the content being sent in the HTTP request exceeds the maximum limit allowed by the server or the server's configuration.
6	HTTP_ERROR_MALFORMED_RESPONSE	Indicates that the HTTP response received from the server is in an unexpected or invalid format. This error suggests that the response does not comply with the HTTP protocol standards.

Some Common HTTP Error Response Codes

1xx Informational

Code
100	Continue
101	Switching Protocols
102	Processing

2xx Success

Code
200	OK
201	Created
204	No Content
206	Partial Content

3xx Redirection

Code
301	Moved Permanently
302	Found
304	Not Modified
307	Temporary Redirect

4xx Client Errors

Code
400	Bad Request
401	Unauthorized
403	Forbidden
404	Not Found
405	Method Not Allowed
429	Too Many Requests

5xx Server Errors

Code
500	Internal Server Error
502	Bad Gateway
503	Service Unavailable
504	Gateway Timeout