New posts in Callout

How to set an HttpCalloutMock to reply differently on subsequent requests to the same endpoint?

{"error":"unsupported_grant_type","error_description":"grant type not supported"}

Reduce the risk of my Queueables to harm other async jobs

Where to Store Token Auth?

System.AsyncException: Maximum callout depth has been reached

how to solve callout error? You have uncommitted work pending. Please commit or rollback before calling out

Callouts to web services started failing with CalloutException: Server chose TLSv1

Why aren't iterators in batch jobs lazy-loaded?

System.CalloutException: Unable to tunnel through proxy (Winter '16 issue)

AWS Signature (version 4) in Apex