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Vonage API Outage History

Every past Vonage API outage tracked by IsDown, with detection times, duration, and resolution details.

There were 140 Vonage API outages since December 2025. The 140 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor April 17, 2026

April 2026: Expired Verify V2 requests

Detected Apr 17, 2026 7:29 AM EDT · Resolved Apr 17, 2026 10:04 AM EDT · Duration about 3 hours

Vonage API's Verify V2 service experienced delays in email OTP delivery for 2.6 hours, preventing end-users from completing two-factor authentication verification. The issue was identified and resolved with early signs of recovery observed across affected services.

Minor April 17, 2026

April 2026: USA SMS - Delivery Degradation towards Verizon Network affecting Toll-Free Numbers

Detected Apr 17, 2026 3:51 AM EDT · Resolved Apr 17, 2026 7:51 AM EDT · Duration about 4 hours

Vonage API experienced SMS delivery degradation specifically affecting toll-free numbers sending to Verizon network customers in North America. The issue impacted SMS delivery reliability for messages routed through Verizon's network from toll-free number sources. The incident was resolved after 4 hours through coordination with carrier partners and implementation of a fix.

Minor April 17, 2026

April 2026: Service Issue with Email Verification: Verify V2

Detected Apr 17, 2026 3:22 AM EDT · Resolved Apr 17, 2026 4:02 AM EDT · Duration 40 minutes

Vonage's Verify API V2 email verification service experienced a 22-minute outage from 06:45 to 07:07 UTC on April 17, 2026, caused by a third-party provider issue that affected multiple service providers. The incident impacted email delivery for some Vonage customers using the verification service. Vonage services were fully restored and continued to be monitored to ensure stability.

Minor April 15, 2026

April 2026: Romania SMS - Delivery Degradation affecting Vodafone network

Detected Apr 15, 2026 7:24 AM EDT · Resolved Apr 15, 2026 9:57 AM EDT · Duration about 3 hours

Vonage API experienced SMS delivery degradation specifically affecting the Vodafone network in Romania for 2.6 hours. The issue impacted SMS Europe services, causing reduced delivery rates for messages sent through the Vodafone carrier. The incident was resolved after Vonage worked with carrier partners to implement a fix.

Minor April 14, 2026

April 2026: Bangladesh SMS - Delivery degradation towards Banglalink network

Detected Apr 14, 2026 9:43 PM EDT · Resolved Apr 15, 2026 12:27 AM EDT · Duration about 3 hours

Vonage API experienced SMS delivery degradation specifically affecting messages sent to the Banglalink network in Bangladesh. The issue impacted the SMS APAC service component and lasted approximately 2.7 hours. Vonage worked with carrier partners to implement a fix and successfully resolved the delivery problems.

Minor April 13, 2026

April 2026: Myanmar SMS - Delivery Degradation affecting Ooredoo network

Detected Apr 13, 2026 11:21 PM EDT · Resolved Apr 14, 2026 2:24 AM EDT · Duration about 3 hours

Vonage API experienced SMS delivery degradation specifically affecting messages sent to Myanmar's Ooredoo network, impacting the SMS APAC service component. The company worked with carrier partners to implement a fix and monitored the results before fully resolving the incident after 3.1 hours.

Minor April 12, 2026

April 2026: Greece SMS - Degradation towards Cosmote network

Detected Apr 12, 2026 8:18 AM EDT · Resolved Apr 12, 2026 11:11 AM EDT · Duration about 3 hours

Vonage API experienced SMS message delivery degradation specifically to the Cosmote network in Greece, affecting the SMS Europe service component. The company worked with carrier partners to implement a fix and monitored the results before fully resolving the incident after 2.9 hours.

Minor April 10, 2026

April 2026: Embedded Signup Impacted Due to Meta Platform Issue

Detected Apr 10, 2026 10:27 AM EDT · Resolved Apr 10, 2026 12:20 PM EDT · Duration about 2 hours

A Meta platform issue disrupted Vonage API's Embedded Signup flow for 1.9 hours, preventing customers from completing onboarding processes through WhatsApp connectivity. Meta's engineering team identified the root cause and deployed a fix, fully restoring Vonage services.

Minor April 10, 2026

April 2026: Myanmar SMS - Delivery Degradation affecting Ooredoo network

Detected Apr 10, 2026 6:24 AM EDT · Resolved Apr 10, 2026 9:02 AM EDT · Duration about 3 hours

Vonage API experienced SMS delivery degradation specifically affecting messages sent to Myanmar's Ooredoo network, impacting the SMS APAC service component. The company worked with carrier partners to implement a fix and monitored the results before fully resolving the incident after 2.6 hours.

Minor April 10, 2026

April 2026: Indonesia SMS - Delivery Degradation affecting Domestic Brands towards Smartfren network

Detected Apr 10, 2026 2:40 AM EDT · Resolved Apr 11, 2026 5:15 AM EDT · Duration 1 day

Vonage API experienced SMS delivery degradation affecting domestic brands sending to Indonesia's Smartfren network for 26.6 hours. The issue impacted SMS services in the APAC region, preventing reliable message delivery to Smartfren subscribers. The incident was resolved after Vonage worked with carrier partners to implement a fix.