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Twilio · Apps and SaaSOct 23, 2026, 20:06 UTC yesterday

SMS Delivery Delays From a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil

MinorNot disclosedUpdated 3h ago
Oct 23, 20:06 UTCOngoing
Duration
Ongoing
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
554 incidents
Affected
SMS, Latin AmericaCARRIER NETWORK - SMS, Latin America
Status page

Final update

We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro network subscribers in Brazil and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

Timeline

  1. Monitoring · Oct 24, 02:27 UTC
    We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro network subscribers in Brazil and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
  2. Monitoring · Oct 24, 00:24 UTC
    We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro network subscribers in Brazil and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
  3. Identified · Oct 23, 23:07 UTC
    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
  4. Identified · Oct 23, 21:07 UTC
    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
  5. Identified · Oct 23, 20:07 UTC
    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to Claro network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
  6. Investigating · Oct 23, 20:06 UTC
    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro network subscribers in Brazil. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

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