Retry-After

Description

The Retry-After response header tells the Client that it should not retry the request before the expiration of the stated time.

Technical Info

protocolHTTP Header
typeResponse Header
RFCRFC2068

Usage

The Retry-After header is used by the Origin Server to defer requests until such time as it is ready to service them again. This header will generally only be available when the Origin Server is responding with a 503 status code. As indicated in the examples, the header may stipulate an absolute time or an integer indicating the number of second to elapse before the request should be tried again.

Syntax

Retry-After = "Retry-After" ":" ( HTTP-date | delta-seconds )

Related Headers

Examples

Example Retry-After headers.

Retry-After: Sun, 4 Nov 2018 12:58:04 GMT
Retry-After: 600

Security