Too Early

Client Error

The server is unwilling to risk processing a request that might be replayed

Used to prevent replay attacks during TLS early data

How this status code appears in HTTP responses

HTTP Response Header

HTTP/1.1 425 Too Early

cURL Example

curl -I https://example.com
# Returns: HTTP/1.1 425 Too Early

This is a client error response indicating the request contains bad syntax or cannot be fulfilled.

Other codes in the same category

The server cannot process the request due to client error

Authentication is required and has failed or has not been provided

Reserved for future use in digital payment systems