resp_retry_after: Extract wait time from a response
In httr2: Perform HTTP Requests and Process the Responses

resp_retry_after

R Documentation

Extract wait time from a response

Description

Computes how many seconds you should wait before retrying a request by inspecting the Retry-After header. It parses both forms (absolute and relative) and returns the number of seconds to wait. If the heading is not found, it will return NA.

Usage

resp_retry_after(resp)

Arguments

resp

An HTTP response object, as created by req_perform().

Value

Scalar double giving the number of seconds to wait before retrying a request.

Examples

resp <- response(headers = "Retry-After: 30")
resp |> resp_retry_after()

resp <- response(headers = "Retry-After: Mon, 20 Sep 2025 21:44:05 UTC")
resp |> resp_retry_after()

httr2 documentation built on Nov. 14, 2023, 5:08 p.m.