Sinch Outage History

Sinch's DI SMS 365 (iSMS) platform experienced delays in SMS message delivery for both mobile terminating and mobile originated traffic, as well as delivery receipt notifications. The incident affected customers connected to the iSMS platform for 25 minutes before being resolved through monitoring and remediation efforts.

Sinch experienced SMS delivery issues with Globe Telecom in the Philippines, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident affected SMS services in the APAC region for approximately 4.2 hours from April 3rd at 18:41 UTC until resolution on April 4th at 00:33 UTC.

Sinch experienced SMS delivery issues specifically affecting Orange network users in France, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident impacted the SMS service in the EMEA region for approximately 2.5 hours before being resolved.

Sinch experienced SMS delivery issues with the Claro network in Brazil from April 1st 13:30 UTC to April 2nd 01:55 UTC, lasting 11.7 hours. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing and late delivery receipts for SMS services in the LATAM region. The issue was resolved after investigation and monitoring.

Sinch Engage Classic experienced a complete service outage lasting 52 minutes, making the system entirely inaccessible to users. The incident occurred from 09:36 to 11:06 UTC on April 1st, 2026. The issue was resolved after teams implemented a fix and monitored the system to ensure stable restoration of functionality.

Sinch experienced SMS delivery issues affecting US and Canadian minor networks from 09:07 to 09:54 UTC on March 31, 2026. The incident impacted SMS services including 10DLC, ShortCode, and Canadian ShortCode, causing delayed message delivery, missing delivery receipts, and late delivery confirmations. The service was fully restored after 47 minutes of disruption.

Sinch experienced SMS delivery issues with the Claro network in Chile from 06:57 to 09:16 UTC on March 31, 2026. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing or late delivery receipts for SMS services in the LATAM region. Traffic was restored and the issue was resolved after approximately 2.5 hours of service disruption.

Sinch experienced SMS delivery issues specifically affecting AT&T networks in Mexico, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident impacted the SMS - LATAM service component for approximately 1.6 hours from 07:46 to 09:44 UTC on March 31, 2026. A fix was implemented and monitored before the incident was fully resolved.

Sinch experienced SMS delivery issues with AT&T in Mexico from 06:21 to 06:46 UTC on March 31, 2026. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing and late delivery receipts for the SMS LATAM service. The issue was resolved after 32 minutes of service disruption.

Sinch experienced delivery issues with toll-free SMS services in the United States and Canada, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident lasted approximately 1.9 hours from March 28, 2026 at 23:59 UTC until resolution on March 29, 2026 at 01:52 UTC after a fix was implemented and monitored.