# DLR Degradation for a Subset of SMPP API Customers.

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 0m
- started 2026-05-12 09:32 UTC
- SMPP
- id: DWN-44ba17058a
- Official page: https://stspg.io/xrpsjgmmr913

## Updates from Twilio
### 2026-05-12 09:32 UTC: 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

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