Twilio: DLR Degradation for a Subset of SMPP API Customers.
Timeline of updates
- resolved
A small set of SMPP API Customers were affected by issues with DLR deliveries between 2026-05-07 23:53 UTC and 2026-05-11 13:46 UTC. During this time some DLRs may not have been delivered to the end customer. All systems are fully operational
From Twilio’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
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This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.twilio.com (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Twilio, started 2026-05-12 09:32 UTC, resolved after 0 min, 1 update(s).
- Title
- DLR Degradation for a Subset of SMPP API Customers.
- Vendor
- Twilio
- Date
- URL
- https://rewindex.com/company/twilio/incidents/4k2wr9d5svxx
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