The way I solve all these problems is. Prerequisite: require receiver to be able to process duplicate webhook being resent. Algorithm outline: 1. Have webhoo

The way I solve all these problems is. Prerequisite: require receiver to be able to process duplicate webhook being resent. Algorithm outline: 1. Have webhook body stored by sender 2. Attempt to send body to receiver 3. If 2x status returned mark webhook as sent. Done 4. Otherwise for any other status or timeout increment attempt for webhook and try again later until maximum attempts (which then mark webhook as failed) This covers the tricky case where success response gets dropped in network by having the sender time out and retry later. The receiver gets a duplicate