Twilio Outage History

The Twilio status page documented a broad incident affecting SMS and MMS delivery across dozens of carrier networks worldwide. Users experienced message delays and failures, with related issues including Verify SMS errors, WhatsApp Sandbox disruptions, and intermittent voice call problems. The outage began on Oct 2, 2025 6:42 PM UTC and persisted for several days with ongoing updates through Oct 9, 2025 1:02 AM UTC as engineers worked with carrier partners to restore service. The incident spanned multiple regions and services, reflecting a global impact on messaging and communications.

Twilio experienced a broad service degradation starting on Sep 19, 2025 8:07 AM UTC with an initial update describing an Issue With Virtual Phone. Over the following days, the Twilio status page tracked a wide range of problems across multiple services, including programmable messaging (SMS, MMS), Voice, and interconnects. The outage affected regions across the Americas, Europe, APAC, and the Middle East & Africa, with users reporting call setup failures, delays in SMS and MMS delivery, and intermittent messaging outages as carrier networks and interconnects struggled to synchronize.

Twilio Console's Virtual Phones feature experienced a reply issue that prevented replies from being sent within the Console. The outage began at 7:27 AM UTC and was resolved by 7:47 AM UTC, lasting about 20 minutes. The incident affected the DEVELOPER TOOLS / Console component and was communicated through two status updates: an initial investigation note and a follow-up confirming resolution.

Twilio experienced a multi-region disruption affecting SMS, MMS, and voice delivery across a broad set of networks and regions. The issue began with MMS delivery delays to Verizon in the United States and expanded to widespread SMS delays to several networks in North America, Latin America, APAC, and Europe, including Orange in the Dominican Republic and Claro in Chile. Brazil voice call failures were also observed. The incident persisted for roughly 18 hours, with ongoing updates from Twilio as they worked with carrier partners to resolve the problems. The last updates indicated partial recovery for some components, while others remained degraded.

Twilio experienced a global disruption affecting SMS, MMS, and related messaging services across multiple carrier networks. The outage began on Sep 11, 2025 7:17 AM UTC with SMS delivery failures to Claro Brazil and quickly expanded to include MMS delivery delays in the United States and broader delays or outages across networks in APAC, Europe, LATAM and MEA. Updates from Twilio described issues across multiple components, including CARRIER NETWORK / SMS, CARRIER NETWORK / MMS, Short Code and Long Code messaging, as well as programmable messaging channels and Voice services.

Twilio's status page shows a sustained engineering effort with updates moving from Investigating to In Progress, Monitoring, and Maintenance across numerous regions. The timeline spans several days, with regular guidance on next updates and recovery expectations. The latest entry indicates ongoing coordination and recovery work on Sep 17, 2025 9:02 PM UTC.

The incident's reach appears global, with activity across North America, APAC, Europe, LATAM and the Middle East & Africa affecting SMS and MMS delivery, inbound/outbound messaging, and some voice paths. The numerous status changes over the period reflect a broad, multi-component incident rather than a single regional fault.

The Twilio Rest API experienced a broad outage that disrupted a wide range of Twilio services, including Programmable Messaging (SMS and MMS), Programmable Voice, Lookup, Proxy, TaskRouter, and Studio. The incident led to SMS delivery delays and failures, OTP/2FA delivery issues, and intermittent service degradation for several API-based features. The initial impact occurred between Aug 28, 2025 5:10 PM UTC and Aug 28, 2025 5:20 PM UTC, with ongoing investigations and mitigations communicated through the Twilio status page as engineers worked with carrier partners to restore services. The outage spanned multiple days, with recovery updates continuing through Sep 3, 2025 3:47 AM UTC and gradual improvements across affected components.

Starting around Aug 18, 2025 12:42 AM UTC, Twilio began reporting widespread SMS delivery delays and occasional message failures across carrier networks, affecting customers across APAC, Europe, North America, and Latin America. Users experienced slower delivery times and, in some cases, failed messages when sending SMS and MMS, with a subset also reporting incorrect channel information in Messaging Insights. The disruption impacted 12+ components, including SMS, MMS, Short Code and Long Code routing, Voice, Messaging Insights, Console, and Serverless assets across multiple regions. The outage persisted for several days, with ongoing updates and carrier remediation efforts through Aug 25, 2025 9:02 AM UTC.

Twilio reported a scheduled maintenance window affecting the CARRIER NETWORK / SMS component in Europe tied to Beeline (Russia). The maintenance began at 10:02 PM UTC and was completed by 11:02 PM UTC, lasting about 1 hour. During this time, SMS delivery via Beeline in Europe could be degraded or briefly unavailable while the maintenance was in progress.

Twilio reported an outage in SMS delivery affecting messages sent to Algar Telecom (CTBC) in Brazil. The issue impacted two Twilio components — CARRIER NETWORK / SMS, Latin America and PROGRAMMABLE MESSAGING / SMS — causing delayed message delivery for users trying to reach Algar Telecom. The incident began at Aug 17, 2025 3:37 AM UTC and was resolved by Aug 17, 2025 8:22 PM UTC, lasting about 16 hours and 45 minutes. The provider issued two status updates while engineers worked with the carrier partner to restore service, with the regional scope centered on Brazil.

Twilio reported a brief regional degradation in SMS delivery to the Claro network in Costa Rica. Users attempting to send SMS to Claro endpoints experienced delivery delays, with messages taking longer to reach recipients. The issue affected the CARRIER NETWORK / SMS, Latin America component, and engineers were working with the carrier partner to resolve it. The outage began at Aug 16, 2025 6:47 PM UTC.

The provider issued 2 status updates during the incident, first noting they were investigating delays and working with the carrier, and later confirming the issue was resolved. The outage was resolved by Aug 16, 2025 7:37 PM UTC after about 50 minutes, and service returned to normal. The impact was regional, limited to the Claro network in Costa Rica.