How to resolve 411 Length Required?

To fix this error, add an explicit content length to your request before making the API call. request. ContentLength = 0; The link has been copied!

Is content length required?

The Content-Length is optional in an HTTP request. For a GET or DELETE the length must be zero. For POST, if Content-Length is specified and it does not match the length of the message-line, the message is either truncated, or padded with nulls to the specified length.

What is status code 411?

What Is a 411 Status Code? The server refuses to accept the request without a defined Content-Length1. The client MAY repeat the request if it adds a valid Content-Length header field containing the length of the message body in the request message.

Is content-length required for post?

HTTP doesn’t require that POST requests have a Content-Length; it’s perfectly acceptable to use chunked encoding. If the server needs the Content-Length, it can already reject the request with 411 (Length Required).

How do I set the content-length in an HTTP header?

In PHP you would use something like this. header(“Content-Length: “. filesize($filename)); In case of “Content-Type: application/x-www-form-urlencoded” the encoded data is sent to the processing agent designated so you can set the length or size of the data you are going to post.

Is content Length mandatory in HTTP?

The Content-Length header is mandatory for messages with entity bodies, unless the message is transported using chunked encoding. Content-Length is needed to detect premature message truncation when servers crash and to properly segment messages that share a persistent connection.

Does curl set content length automatically?

By default curl sets appropriate Content-Length header for you when data is provided with -d parameter. In your case the server seems to wait for some data in the body. But for some reason you decided to pass the data in the url.

What is content length?

The content-length is the size of the compressed message body, in “octets” (i.e. in units of 8 bits, which happen to be “bytes” for all modern computers). The size of the actual message body can be something else, perhaps 150280 bytes.