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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 5:59 PM UTC · Resolved Apr 23, 2026 6:10 PM UTC · Duration 11 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 11 minutes.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 5:51 PM UTC · Resolved Apr 23, 2026 5:55 PM UTC · 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 5:39 PM UTC · Resolved Apr 23, 2026 5:43 PM UTC · 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 5:31 PM UTC · Resolved Apr 23, 2026 5:35 PM UTC · 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 5:11 PM UTC · Resolved Apr 23, 2026 5:23 PM UTC · Duration 12 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The incident impacted sandbox environment functionality for developers and integrators using the Transaction API. The service was restored after 12 minutes of downtime.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 5:03 PM UTC · Resolved Apr 23, 2026 5:07 PM UTC · 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 4:45 PM UTC · Resolved Apr 23, 2026 4:50 PM UTC · Duration 5 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 Sandbox environments. The service was restored after 5 minutes.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 4:37 PM UTC · Resolved Apr 23, 2026 4:41 PM UTC · 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 4:10 PM UTC · Resolved Apr 23, 2026 4:30 PM UTC · Duration 20 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers component. The outage impacted developers' ability to test transaction processing functionality in the sandbox environment. The service was restored after 20 minutes.

Major April 23, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 23, 2026 3:58 PM UTC · Resolved Apr 23, 2026 4:02 PM UTC · 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.