Vonage API Outage History

Vonage API experienced SMS delivery degradation for domestic brands sending to Indonesia's Telkomsel network, affecting the SMS APAC service. The incident lasted 27.3 hours while Vonage worked with carrier partners to resolve the delivery issues. A fix was implemented and monitored before the incident was fully resolved.

Vonage API experienced SMS delivery degradation to the Odido (T-Mobile) network in the Netherlands, affecting the SMS Europe service component. The company worked with carrier partners to implement a fix, and the incident was resolved after approximately 1 hour of monitoring.

Vonage API's Verify Email service experienced delays that caused low verification conversion rates for customers over a 4.5-hour period on March 2nd, 2026. The incident affected the Verify V2 component, with customers observing delayed email delivery impacting their verification processes. The engineering team identified and resolved the underlying issue, restoring normal service functionality.

Vonage API experienced SMS service degradation in the United Kingdom affecting the Lycamobile network, causing delivery delays and non-delivery of inbound and outbound messages. The issue originated from Vonage's suppliers and impacted SMS Europe services for 2.6 hours. The incident was resolved after implementing a fix and monitoring the results.

The Vonage SMS API in the US region experienced delayed response times for 35 minutes on February 28, 2026, from 22:24 to 22:44 UTC. Engineers worked to resolve the issue and services were fully restored. The incident was classified as minor and affected SMS functionality.

Vonage API experienced SMS delivery issues to Altan Redes Mexico due to a supplier problem, causing delivery delays and message failures for both inbound and outbound SMS traffic. The incident affected SMS North America services for 4.6 hours. A fix was implemented and the service was restored to normal operation.

The Vonage API experienced payment processing issues in the Customer Dashboard that prevented users from adding new payment cards to the system for approximately 24 hours. Existing payment methods including saved cards, PayPal, and bank transfers remained unaffected during the incident. Engineers implemented a fix and fully restored the card addition functionality, with services monitored for stability following the resolution.

The Vonage API Verify V2 service experienced email delivery issues between 19:19 and 19:45 UTC on February 23, 2026, causing verification requests using email as the channel to potentially expire. The incident affected customers using the Verify V2 API's email functionality and was fully resolved with normal email delivery restored.

Vonage API experienced SMS delivery degradation to Tigo network in Paraguay, affecting the SMS Latin America service component. The issue was caused by problems with Vonage's carrier supplier and lasted approximately 50.8 hours. Vonage worked with their carrier partners to implement a fix and successfully resolved the delivery issues.