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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 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 3:58 AM EDT · Resolved Apr 30, 2026 4:06 AM EDT · Duration 8 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers. The incident impacted the sandbox environment used for testing and development purposes. The service was restored after 8 minutes of downtime.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 11:41 PM EDT · Resolved Apr 29, 2026 11:45 PM EDT · Duration 4 minutes

The Mastercard Cross-Border Services API experienced a major service issue in the sandbox environment that lasted 4 minutes. The incident affected both the sandbox testing environment and the Cross-Border Services functionality. The service has been restored to normal operation.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 9:05 PM EDT · Resolved Apr 29, 2026 9:13 PM EDT · Duration 8 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and MDES Customer Service for 8 minutes. Both the Sandbox testing environment and MDES Customer Service functionality were impacted during this incident. The service has been restored to normal operation.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 5:29 PM EDT · Resolved Apr 29, 2026 5:33 PM EDT · Duration 4 minutes

The Mastercard Cross-Border Services API experienced a major service issue in the sandbox environment that lasted 4 minutes. The incident affected the sandbox testing environment for cross-border payment services. The service has been restored to normal operation.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 2:21 PM EDT · Resolved Apr 29, 2026 2:25 PM EDT · Duration 4 minutes

The Mastercard API sandbox environment experienced a major service issue that affected the Mastercard Benefits & Experiences Portal and Priceless Platform for 4 minutes. The incident impacted multiple components including the sandbox testing environment and both customer-facing platforms. The service was restored after a brief 4-minute outage.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 11:53 AM EDT · Resolved Apr 29, 2026 12:01 PM EDT · Duration 8 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and Priceless Platform for 8 minutes. Both the Sandbox testing environment and Priceless Platform services were impacted during this incident. The issue has been resolved.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 11:14 AM EDT · Resolved Apr 29, 2026 11:22 AM EDT · Duration 8 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and Priceless Platform for 8 minutes. Both the Sandbox testing environment and Priceless Platform services were impacted during this incident. The service has been restored to normal operation.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 10:42 AM EDT · Resolved Apr 29, 2026 10:46 AM EDT · Duration 4 minutes

The Mastercard API Sandbox experienced a major service issue affecting the Transaction API for Acquirers. The incident impacted the sandbox environment used for testing and development purposes. The service was restored after 4 minutes of downtime.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 10:26 AM EDT · Resolved Apr 29, 2026 10:30 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 developers' ability to test transaction processing functionality through the sandbox system. The service was restored after 4 minutes of downtime.

Major April 29, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 29, 2026 10:06 AM EDT · Resolved Apr 29, 2026 10:22 AM EDT · Duration 16 minutes

The Mastercard API experienced a major service issue affecting the Transaction API for Acquirers in the sandbox environment. The incident impacted developers' ability to test transaction processing functionality through the sandbox system. The service was restored after 16 minutes of downtime.