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 21, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 21, 2026 9:49 AM EDT · Resolved Apr 21, 2026 9:53 AM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the MDES Customer Service component in the Sandbox environment. The incident impacted both the MDES Customer Service and Sandbox components for 4 minutes before being resolved.

Major April 20, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 20, 2026 11:20 PM EDT · Resolved Apr 20, 2026 11:36 PM EDT · Duration 16 minutes

The Mastercard API experienced a major service issue affecting the Sandbox environment and Doconomy Aland Index component. The incident impacted API functionality for 16 minutes before being resolved. The service disruption was classified as major, indicating significant impact to users during the outage period.

Major April 20, 2026

April 2026: Production - Service issue detected

Detected Apr 20, 2026 9:04 PM EDT · Resolved Apr 20, 2026 10:48 PM EDT · Duration about 2 hours

The Mastercard API experienced a major service issue affecting the RPPS Biller Maintenance Service in production for 1.7 hours. The incident impacted the RPPS Biller Maintenance Service and production components. The service has been restored to normal operation.

Major April 20, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 20, 2026 9:42 AM EDT · Resolved Apr 20, 2026 9:54 AM 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 both the Transaction API for Acquirers and Sandbox components for 12 minutes. The service has been restored to normal operation.

Major April 20, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 20, 2026 9:14 AM EDT · Resolved Apr 20, 2026 9:18 AM EDT · 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 April 20, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 20, 2026 9:06 AM EDT · Resolved Apr 20, 2026 9:10 AM EDT · 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. The service was restored after 4 minutes.

Major April 20, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 20, 2026 4:54 AM EDT · Resolved Apr 20, 2026 4:58 AM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the MDES Customer Service in the Sandbox environment. The incident impacted both the MDES Customer Service and Sandbox components for 4 minutes before being resolved.

Major April 20, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 20, 2026 2:13 AM EDT · Resolved Apr 20, 2026 2:17 AM EDT · Duration 4 minutes

The Mastercard API sandbox environment experienced a major service issue affecting the Event Creation component for 4 minutes. The incident impacted the Event Creation functionality within the sandbox testing environment. The service issue was resolved after the brief 4-minute outage period.

Major April 20, 2026

April 2026: Production - Service issue detected

Detected Apr 20, 2026 2:13 AM EDT · Resolved Apr 20, 2026 2:17 AM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting the Event Creation component in production. The incident impacted the ability to create events through the API service. The issue was resolved after 4 minutes of downtime.

Major April 20, 2026

April 2026: Sandbox - Service issue detected

Detected Apr 20, 2026 12:37 AM EDT · Resolved Apr 20, 2026 12:41 AM EDT · Duration 4 minutes

The Mastercard API experienced a major service issue affecting Merchant Self Services in the Sandbox environment. The incident impacted both the Merchant Self Services and Sandbox components, preventing normal operations for users testing and developing with these services. The service was restored after 4 minutes of downtime.