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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 2:29 PM EDT · Resolved Apr 30, 2026 2:33 PM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Disbursements service in the Sandbox environment. The incident lasted 4 minutes before being resolved. No specific resolution details were provided for this brief service disruption.

Major April 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 2:20 PM EDT · Resolved Apr 30, 2026 2:25 PM EDT · Duration 4 minutes

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

Major April 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 2:04 PM EDT · Resolved Apr 30, 2026 2:16 PM EDT · Duration 12 minutes

The Mastercard API experienced a major service issue affecting the Transaction API for Acquirers in the sandbox environment. The incident impacted sandbox functionality for transaction processing services used by acquirers. The service was restored after 12 minutes of downtime.

Major April 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 1:52 PM EDT · Resolved Apr 30, 2026 1:56 PM 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 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 1:40 PM EDT · Resolved Apr 30, 2026 1:48 PM 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 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 1:28 PM EDT · Resolved Apr 30, 2026 1:36 PM 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 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 1:20 PM EDT · Resolved Apr 30, 2026 1:24 PM 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 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 1:12 PM EDT · Resolved Apr 30, 2026 1:16 PM 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 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 1:01 PM EDT · Resolved Apr 30, 2026 1:04 PM 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 30, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 30, 2026 12:48 PM EDT · Resolved Apr 30, 2026 12:56 PM 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.