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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 1298 Mastercard API outages since October 2025. The 1298 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major February 27, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 27, 2026 5:00 PM EST · Resolved Feb 27, 2026 5:04 PM EST · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and MDES Customer Service for 4 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 February 27, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 27, 2026 4:00 PM EST · Resolved Feb 27, 2026 4:04 PM EST · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and MDES Customer Service for 4 minutes. Both the testing sandbox and the MDES Customer Service component were impacted during this incident. The service has been restored to normal operation.

Major February 27, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 27, 2026 2:00 PM EST · Resolved Feb 27, 2026 2:04 PM EST · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and MDES Customer Service for 4 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 February 27, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 27, 2026 1:00 PM EST · Resolved Feb 27, 2026 1:04 PM EST · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and MDES Customer Service for 4 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 February 27, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 27, 2026 11:44 AM EST · Resolved Feb 27, 2026 11:48 AM EST · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and Mastercard Gateway - America components. The incident impacted API functionality in the American region for 4 minutes before being resolved.

Major February 27, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 27, 2026 8:32 AM EST · Resolved Feb 27, 2026 8:36 AM EST · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Mastercom service in the Sandbox environment. The incident impacted both the Sandbox testing environment and Mastercom functionality. The service was restored after 4 minutes of downtime.

Major February 26, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 26, 2026 8:00 PM EST · Resolved Feb 26, 2026 8:04 PM EST · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and MDES Customer Service for 4 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 February 26, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 26, 2026 5:08 PM EST · Resolved Feb 26, 2026 5:12 PM EST · 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 February 26, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 26, 2026 4:56 PM EST · Resolved Feb 26, 2026 5:00 PM EST · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Transaction API for Acquirers in the sandbox environment. The incident impacted the sandbox testing environment and the Transaction API functionality for acquirer services. The service was restored after 4 minutes of downtime.

Major February 26, 2026

February 2026: Sandbox - Service issue detected

Detected Feb 26, 2026 4:44 PM EST · Resolved Feb 26, 2026 4:52 PM EST · 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.