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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 1694 Mastercard API outages since October 2025. The 1694 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 6:24 PM UTC · Resolved May 29, 2026 6:28 PM UTC · 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 May 29, 2026

May 2026: Production - Service issue detected

Detected May 29, 2026 6:24 PM UTC · Resolved May 29, 2026 6:28 PM UTC · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Benefits Content Eligibility Service and Benefits Eligibility Service in production. Both services were impacted during the incident, preventing normal operations for these benefit-related components. The issue was resolved after 4 minutes of downtime.

Major May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 6:12 PM UTC · Resolved May 29, 2026 6:16 PM UTC · Duration 4 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, preventing normal operations. The service was restored after 4 minutes of downtime.

Major May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 5:52 PM UTC · Resolved May 29, 2026 6:00 PM UTC · Duration 8 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 8 minutes.

Major May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 5:36 PM UTC · Resolved May 29, 2026 5:48 PM UTC · 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 May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 5:24 PM UTC · Resolved May 29, 2026 5:28 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 May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 5:04 PM UTC · Resolved May 29, 2026 5:16 PM UTC · Duration 12 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 12 minutes.

Major May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 4:56 PM UTC · Resolved May 29, 2026 5:00 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 Sandbox environments, preventing normal operations. The service was restored after 4 minutes of downtime.

Major May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 4:40 PM UTC · Resolved May 29, 2026 4:52 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 functionality for acquirer transaction processing. The service was restored after 12 minutes.

Major May 29, 2026

May 2026: Sandbox - Service issue detected

Detected May 29, 2026 4:32 PM UTC · Resolved May 29, 2026 4:36 PM UTC · Duration 4 minutes

The Mastercard API sandbox environment experienced a major service issue affecting MDES Digital Enablement and Transaction API for Acquirers components. The incident lasted 4 minutes before being resolved. Both critical API services were temporarily unavailable during this brief outage.