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Mastercard API Outage History

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

There were 1759 Mastercard API outages since October 2025. The 1759 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 11:32 AM EDT · Resolved Apr 23, 2026 11:36 AM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Transaction API for Acquirers in the Sandbox environment. The incident impacted both the Transaction API for Acquirers and Sandbox components for 4 minutes. The service has been restored to normal operation.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 11:07 AM EDT · Resolved Apr 23, 2026 11:20 AM EDT · Duration 13 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The incident impacted both the Transaction API for Acquirers and the Sandbox environment. The service was restored after 13 minutes.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 10:59 AM EDT · Resolved Apr 23, 2026 11:03 AM EDT · Duration 4 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The incident impacted both the Transaction API for Acquirers and the Sandbox environment. The service was restored after 4 minutes of downtime.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 10:43 AM EDT · Resolved Apr 23, 2026 10:55 AM EDT · Duration 12 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The incident impacted both the Transaction API for Acquirers and the Sandbox environment. The service was restored after 12 minutes.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 10:31 AM EDT · Resolved Apr 23, 2026 10:35 AM EDT · Duration 4 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The incident impacted both the Transaction API for Acquirers and the Sandbox environment. The service was restored after 4 minutes of downtime.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 10:07 AM EDT · Resolved Apr 23, 2026 10:23 AM EDT · Duration 16 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers. The incident impacted both the Transaction API for Acquirers and Sandbox components. The service was restored after 16 minutes.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 9:59 AM EDT · Resolved Apr 23, 2026 10:03 AM EDT · Duration 4 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The incident impacted both the Transaction API for Acquirers and the Sandbox environment, preventing normal operations. The service was restored after 4 minutes of downtime.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 9:51 AM EDT · Resolved Apr 23, 2026 9:55 AM EDT · Duration 4 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The incident impacted both the Transaction API for Acquirers and the Sandbox environment. The service was restored after 4 minutes of downtime.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 9:39 AM EDT · Resolved Apr 23, 2026 9:43 AM EDT · Duration 4 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The incident impacted both the Transaction API for Acquirers and the Sandbox environment. The service was restored after 4 minutes.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 5:55 AM EDT · Resolved Apr 23, 2026 5:59 AM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the MDES Digital Enablement service in the Sandbox environment. The incident impacted both the MDES Digital Enablement component and the Sandbox environment for 4 minutes. The service has been restored to normal operation.