413 Payload Too Large
The 413 Payload Too Large response is used when the client sent a
request with a body that’s too big.
Maybe the request was a file upload, and it exceeded the maximum file-size, or maybe it’s an API and it preemptively blocks requests that are unrealisticly large.
It’s a good idea to try and think of reasonable limits for requests, as accepting arbitrary-size HTTP requests could result in denial-of-service attacks.
If this error is temporary, a server can include a Retry-After header to
indicate to the client they should just try again after a certain amount
of time.
One example of a temporary status could be that the client has an upload-quota and it was exceeded.
If the reason for the error is that the server ran out of disk- space,
507 Insufficient Storage should be used instead.
Example
HTTP/1.1 413 Payload Too Large
Content-Type: text/html
<p>This endpoint does not support requests larger than 1MB</p>
HTTP/1.1 413 Payload Too Large
Retry-After: 3600
Content-Type: text/html
<p>You exceeded your quota. Try again in an hour</p>
References
- RFC7231, Section 6.5.11 - 413 Payload Too Large
- RFC7231, Section 7.1.3 - Retry-After