Callback-url-file-3a-2f-2f-2fhome-2f-2a-2f.aws-2fcredentials

So, 3A-2F-2F translates to :/ , which might appear in a URL or path to indicate a protocol and path but seems misplaced or incorrectly represented in your context.

Connect this to an AWS Lambda function that performs the action (e.g., posting to a database or social media). callback-url-file-3A-2F-2F-2Fhome-2F-2A-2F.aws-2Fcredentials