The incident of SMS delivery status delays to US Sprint recipients from Twilio Short Codes is now resolved.
Posted May 21, 2020 - 12:27 PDT
We have detected delays in receiving message status events to a subset of US Sprint recipients from Twilio short codes. There is no impact to actual message delivery. Our engineers are working with our carrier partner to resolve the issue. We will provide an update as soon as we have additional information.