Vonage Outage History

Vonage experienced SMS delivery degradation to Italy's Wind and TIM mobile networks for 8.8 hours. The issue affected message delivery to customers on these two major Italian carriers. Vonage worked with carrier partners to implement a fix and successfully resolved the delivery problems.

Vonage experienced SMS delivery degradation for domestic pre-registered brands sending messages to China, lasting approximately 3 hours. The issue affected SMS delivery performance for brands that had completed pre-registration requirements for the Chinese market. Vonage worked with carrier partners to implement a fix and successfully resolved the delivery problems.

Vonage experienced SMS delivery degradation to the Salt network in Switzerland for 2.3 hours. The issue affected SMS message delivery to Salt mobile subscribers in Switzerland. Vonage worked with carrier partners to implement a fix and successfully resolved the incident.

Vonage experienced degradation affecting outbound voice calls of short duration in Indonesia for 5.1 hours. The issue impacted call quality and connectivity for brief calls made through the service. The problem was resolved after implementing a fix in collaboration with partners and monitoring the results.

Vonage's Email Verification - Verify V2 service experienced issues with expired email verifications, causing OTP emails to be delayed and preventing end-users from completing 2FA verification. The incident lasted 1.7 hours from 10:29 UTC to 12:35 UTC on March 30, 2026, and has been fully resolved.

Vonage experienced SMS delivery degradation specifically affecting messages sent to T-Mobile Netherlands network customers. The issue impacted SMS delivery performance for users trying to reach T-Mobile Netherlands subscribers. Vonage worked with carrier partners to implement a fix and resolved the incident after 2.4 hours of monitoring.

Vonage experienced SMS delivery degradation to Indonesia's IOH network for 3.3 hours. The issue affected SMS message delivery to Indonesian recipients on that specific carrier network. Vonage worked with carrier partners to implement a fix and successfully resolved the delivery problems.

Vonage experienced SMS delivery degradation to Venezuela's Digitel network, causing missing and delayed messages along with delayed delivery receipts for outbound SMS traffic. The company worked with carrier partners to implement a fix after 6.1 hours. The incident was resolved after a monitoring period to ensure the fix was effective.

Vonage experienced an issue with WhatsApp verification functionality in their Verify API v2 starting at 16:40 UTC on March 25, 2026. The service interruption affected users' ability to send WhatsApp verification messages through the API. The issue was fully resolved by 17:10 UTC the same day, with services restored after approximately 30 minutes of downtime.

Vonage experienced MMS latency issues affecting toll-free number messages sent to T-Mobile recipients, causing delays in outbound MMS delivery and delivery receipts. The issue was caused by problems at Vonage's upstream supplier and affected the carrier routing to T-Mobile networks. The incident was resolved after 2.8 hours once the supplier implemented a fix.