Official incident history

  1. SMS Delivery Delays from Twilio to Claro Costa Rica

    Started: · Duration: still open
    Provider updates (4)
    1. Investigating “Twilio customers may be experiencing SMS delivery delays from Twilio to Claro network subscribers in Costa Rica. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Identified “Twilio customers may be experiencing SMS delivery delays from Twilio to Claro network subscribers in Costa Rica. 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.”
    3. Monitoring “We have observed a recovery in SMS delivery from Twilio to Claro network subscribers in Costa Rica and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.”
    4. Identified “Twilio customers may be experiencing SMS delivery delays from Twilio to Claro network subscribers in Costa Rica. 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.”
    Open
  2. Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands

    Started: · Duration: still open
    Provider updates (2)
    1. Investigating “Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) and failure responses for Lookup API transactions in the Netherlands. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1 hour or as soon as more information bec…”
    2. Identified “Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) and failure responses for Lookup API transactions in Netherlands. API transactions may temporarily fail over to secondary methods like SMS OTP. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon a…”
    Open
  3. Marketing Campaign Stats Maintenance

    Started: · Duration: still open
    Provider updates (2)
    1. Scheduled “We will be performing a scheduled maintenance on the Marketing Campaigns Stats database on Saturday, October 24, 2026 from 16:00 until 20:00 PDT. During this time, incoming Single Send and Automation statistics will be delayed. Requests for Marketing Campaigns stats will also be temporarily unavailable while we perform the maintenance. This does not impact mail send. Thank you for your patience d…”
    2. In progress “Scheduled maintenance is currently in progress. We will provide updates as necessary.”
    Open
  4. Azure Marketplace SendGrid Customers Experiencing Account Management Issues

    Started: · Duration: 50 min
    Provider updates (3)
    1. Investigating “Our engineering team is investigating issues impacting SendGrid users on Azure Marketplace: - unable to complete setup (fails with error 502) - single sign-in step fails (fails with error 403) - unable to complete plan changes such as: upgrades, downgrades, cancellations We will provide another update in 1 hour, or as soon as more information becomes available.”
    2. Monitoring “Our engineering team has identified the cause, determined customer impact began at 2026-10-24 09:36 AM PDT, and has mitigated the issue. We are monitoring to confirm that SendGrid users on Azure Marketplace are no longer experiencing account management issues, and will provide another update in 30 minutes.”
    3. Resolved “SendGrid users on Azure Marketplace are no longer experiencing account management issues. This incident has been resolved.”
    Resolved
  5. MMS Delivery Delays from Twilio to C-Spire United States

    Started: · Duration: still open
    Provider updates (1)
    1. Investigating “Twilio customers may be experiencing MMS delivery delays from Twilio to C-Spire network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    Open
  6. Voice Call Failures and Post Dial Delay From a Subset of Twilio Phone Numbers to United States

    Started: · Duration: still open
    Provider updates (2)
    1. Investigating “Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Identified “Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Phone Numbers to network subscribers in the United States. 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.”
    Open
  7. Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom

    Started: · Duration: still open
    Provider updates (1)
    1. Investigating “Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1 hour or as soon as more information becomes available.”
    Open
  8. United Kingdom Account Security Carrier Partner Maintenance - Vodafone

    Started: · Duration: still open
    Provider updates (2)
    1. Scheduled “<p>Our carrier partner Vodafone United Kingdom is conducting a planned maintenance from 24 October 2026 at 15:00 PDT until 24 October 2026 at 21:45 PDT. During the maintenance window, there could be intermittent API request failures for Vodafone United Kingdom customers.<br><br>Impacted Products: Lookup Identity Match, Lookup SIM Swap, Legacy Identity MatchAndAttributes<br><br>We are aware of the…”
    2. In progress “Scheduled maintenance is currently in progress. We will provide updates as necessary.”
    Open
  9. Voice Call Post Dial Delay from Twilio Phone Numbers to Chile

    Started: · Duration: still open
    Provider updates (2)
    1. Investigating “Twilio customers may be experiencing voice call post dial delay from Twilio Phone Numbers to network subscribers in Chile. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Monitoring “We have observed a recovery in voice calls from Twilio Phone Numbers to network subscribers in Chile and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.”
    Open
  10. Voice Call Post Dial Delay from a Subset of Twilio Phone Numbers to Thailand

    Started: · Duration: still open
    Provider updates (3)
    1. Identified “Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Phone Numbers to network subscribers in Thailand. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hour or as soon as more information becomes available.”
    2. Monitoring “We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Thailand and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.”
    3. Identified “Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Phone Numbers to network subscribers in Thailand. 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.”
    Open
  11. SMS Delivery Delays from Twilio to WOM Colombia

    Started: · Duration: 343 min
    Provider updates (4)
    1. Investigating “Twilio customers may be experiencing SMS delivery delays from Twilio to WOM network subscribers in Colombia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Identified “Twilio customers may be experiencing SMS delivery delays from Twilio to WOM network subscribers in Colombia. 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.”
    3. Monitoring “We have observed a recovery in SMS delivery from Twilio to WOM network subscribers in Colombia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.”
    4. Resolved “The incident has been resolved and SMS delivery from Twilio to WOM network subscribers in Colombia is operating normally.”
    Resolved
  12. MMS Delivery Delays from a Subset of Twilio Long Codes to GCI United States

    Started: · Duration: still open
    Provider updates (1)
    1. Investigating “Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to GCI network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.”
    Open
  13. SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telefonica Nicaragua

    Started: · Duration: 1156 min
    Provider updates (4)
    1. Investigating “Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in Nicaragua. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Identified “Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in Nicaragua. 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.”
    3. Monitoring “We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to Telefonica network subscribers in Nicaragua and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.”
    4. Resolved “The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to Telefonica network subscribers in Nicaragua is operating normally.”
    Resolved
  14. SMS Delivery Delays and Failures from Twilio Short Codes to Multiple Networks in India

    Started: · Duration: still open
    Provider updates (2)
    1. Investigating “Twilio customers may be experiencing SMS delivery delays from Twilio Short Codes to network subscribers on multiple networks in India. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Identified “Twilio customers may be experiencing SMS delivery delays from Twilio Short Codes to network subscribers on multiple networks in India. 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.”
    Open
  15. SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Claro Brazil

    Started: · Duration: 596 min
    Provider updates (4)
    1. Investigating “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.”
    2. Identified “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.”
    3. Monitoring “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.”
    4. Resolved “The incident has been resolved and SMS delivery from a subset of Twilio Short Codes and Long Codes to Claro network subscribers in Brazil is operating normally.”
    Resolved
  16. SMS Delivery Failures from Twilio to Multiple Networks in South Africa

    Started: · Duration: 609 min
    Provider updates (4)
    1. Investigating “Twilio customers may be experiencing SMS delivery failures from Twilio to South Africa. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Identified “Twilio customers may be experiencing SMS delivery failures from Twilio to network subscribers on multiple networks in South Africa. 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.”
    3. Monitoring “We have observed a recovery in SMS delivery from Twilio to network subscribers on multiple networks in South Africa and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.”
    4. Resolved “The incident has been resolved and SMS delivery from Twilio to affected networks in South Africa is operating normally.”
    Resolved
  17. Voice Call Failures from Network Subscribers to Twilio Costa Rica Landline Numbers

    Started: · Duration: 317 min
    Provider updates (3)
    1. Investigating “Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Costa Rica Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Monitoring “We have observed a recovery in voice calls from network subscribers in Costa Rica to a subset of Twilio Costa Rica Landline Numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.”
    3. Resolved “The incident has been resolved and voice calls from network subscribers to Twilio Costa Rica Landline Numbers are operating normally.”
    Resolved
  18. Bounce Suppressions Maintenance

    Started: · Duration: still open
    Provider updates (1)
    1. Scheduled “In order to increase the stability and scalability of our systems, we are performing a maintenance on our infrastructure on October 25, 2026 from 14:00 until 16:00 PDT. During this time, customers may experience issues with public endpoints for bounces, and delays updating bounce lists. Mail sending functionality will remain fully operational. Thank you for your patience through this maintenance.”
    Planned
  19. Sendgrid Maintenance Impacting Delivery and Account Configuration

    Started: · Duration: still open
    Provider updates (1)
    1. Scheduled “We are upgrading our infrastructure on October 28 2026, from 12:30 to 14:00 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System fu…”
    Planned
  20. MMS Delivery Delays from a Subset of Twilio Long Codes to Viaero United States

    Started: · Duration: 1301 min
    Provider updates (4)
    1. Investigating “Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to Viaero network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.”
    2. Identified “Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to Viaero network subscribers in the United States. 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.”
    3. Monitoring “We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to Viaero network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.”
    4. Resolved “The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to Viaero network subscribers in the United States is operating normally.”
    Resolved

What the provider published about this service, with the provider's own updates (wording quoted as published).

Evidence

Official
Twilio Status ↗ · Partially Degraded Service · Oct 25, 01:41 AM UTC

Why this assessment

  • Provider reports: “Partially Degraded Service”

Rule set assess-1. The same evidence always gives the same result.

Evidence and freshness

Each source separately: who says it, when it was last observed, and whether it is recent enough to be used.

SourceLast observedAgeUsed in assessment
Official0 min agoYes — recent

Technical details

Affected components (provider)

  • MMS Long Code, North America · Degraded
  • MMS Short Code, North America · Degraded
  • MMS Toll-Free, North America · Degraded
  • Voice, North America · Degraded
  • SMS, Latin America · Degraded
  • Voice, APAC · Degraded
  • SMS, APAC · Degraded
  • MMS, APAC · Degraded
  • Verify Silent Network Auth · Degraded
  • Lookup Identity Match · Maintenance
  • Lookup Line Type Intelligence [Legacy API] · Degraded
  • Lookup SIM Swap · Maintenance
  • RCS Messaging · Degraded
  • Legacy Identity MatchAndAttributes · Degraded
  • SendGrid Marketing Campaigns · Maintenance
  • SendGrid Statistics · Maintenance

Official status page ↗