2xx HTTP status codes.
Failed routing for inbound messages are retried 10 times over 7+ hours.
The retry policy uses an exponential backoff based on how many times the route has errored.
A randomized ±10% jitter is applied to prevent stampeding errors from all retrying at the same time.
Message Routing
Message Routing Retry Policy
A routing delivery is considered successful as long as your route endpoint returns

