4xx Client Error Responses Subtopics
Explore concepts and entries related to 4xx Client Error Responses.
428 Precondition Required
The HTTP 428 Precondition Required status code indicates that the request must contain conditional headers.
429 Too Many Requests
The HTTP 429 Too Many Requests status code indicates that a client has sent too many requests within a given time period.
431 Request Header Fields Too Large
The HTTP 431 Request Header Fields Too Large status code indicates that request headers exceed the server limits.
451 Unavailable For Legal Reasons
The HTTP 451 Unavailable For Legal Reasons status code indicates that access to a resource has been denied due to legal requirements.