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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 May 6, 2026

May 2026: Sandbox - Service issue detected

Detected May 6, 2026 11:54 PM EDT · Resolved May 6, 2026 11:58 PM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Event Creation functionality in the Sandbox environment. The incident impacted developers' ability to create events during testing and development activities. The service was restored after 4 minutes of downtime.

Major May 6, 2026

May 2026: Production - Service issue detected

Detected May 6, 2026 11:54 PM EDT · Resolved May 6, 2026 11:58 PM EDT · Duration 4 minutes

The Mastercard Test & Learn API experienced a major service issue in production that lasted 4 minutes. The incident affected the production environment and the Test & Learn API component specifically. The service issue was detected and resolved within the 4-minute timeframe.

Major May 6, 2026

May 2026: Sandbox - Service issue detected

Detected May 6, 2026 11:14 PM EDT · Resolved May 6, 2026 11:18 PM EDT · Duration 4 minutes

The Mastercard API Sandbox experienced a major service issue affecting Event Creation and Test & Learn API functionality for 4 minutes. The incident impacted the sandbox environment's core services used for testing and development. The service was restored after a brief outage period.

Major May 6, 2026

May 2026: Production - Service issue detected

Detected May 6, 2026 11:14 PM EDT · Resolved May 6, 2026 11:18 PM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting Event Creation and Test & Learn API components in production. The incident impacted these core API services for 4 minutes before being resolved. No additional details about the specific cause or resolution steps were provided in the incident report.

Major May 6, 2026

May 2026: Sandbox - Service issue detected

Detected May 6, 2026 11:02 PM EDT · Resolved May 6, 2026 11:06 PM EDT · Duration 4 minutes

The Mastercard API sandbox environment experienced a major service issue affecting Event Creation and Test & Learn API functionality. The incident impacted the sandbox testing environment, preventing developers from accessing these specific API services. The service was restored after 4 minutes of downtime.

Major May 6, 2026

May 2026: Production - Service issue detected

Detected May 6, 2026 11:02 PM EDT · Resolved May 6, 2026 11:06 PM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting Event Creation and Test & Learn API components in the production environment. The incident impacted users' ability to access these specific API services. The issue was resolved after 4 minutes of downtime.

Major May 6, 2026

May 2026: Sandbox - Service issue detected

Detected May 6, 2026 10:38 PM EDT · Resolved May 6, 2026 10:42 PM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Event Creation functionality in the Sandbox environment. The incident impacted developers' ability to create events during testing and development activities. The service was restored after 4 minutes of downtime.

Major May 6, 2026

May 2026: Sandbox - Service issue detected

Detected May 6, 2026 10:38 PM EDT · Resolved May 6, 2026 10:46 PM EDT · Duration 8 minutes

The Mastercard API experienced a major service issue affecting the Event Creation functionality in the Sandbox environment. The incident impacted developers' ability to create events during testing and development activities. The service was restored after 8 minutes of downtime.

Major May 6, 2026

May 2026: Sandbox - Service issue detected

Detected May 6, 2026 10:26 PM EDT · Resolved May 6, 2026 10:30 PM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Event Creation functionality in the Sandbox environment. The incident impacted developers' ability to create events during testing and development activities. The service was restored after 4 minutes of downtime.

Major May 6, 2026

May 2026: Sandbox - Service issue detected

Detected May 6, 2026 10:26 PM EDT · Resolved May 6, 2026 10:34 PM EDT · Duration 8 minutes

The Mastercard API Sandbox environment experienced a major service issue affecting Event Creation and Test & Learn API functionality. The incident impacted the Sandbox, Event Creation, and Test & Learn API components for 8 minutes. The service has been restored to normal operation.