STIPs on Mastercard

On Thursday, September 24, 2026, at approximately 13:07 PT (20:07 UTC) Marqeta identified an issue affecting card transactions processed through Mastercard, in which a number of transactions across several Mastercard programs were declined or handled through the network's stand-in processing. Transaction volumes and processing patterns have returned to normal baseline levels, and we conducted a monitoring period to confirm long term stability. Mastercard has acknowledged the anomaly on their network and is continuing to investigate the underlying root cause; Marqeta will incorporate any further findings once Mastercard's analysis is complete. We appreciate your patience throughout this incident.

Transaction volumes have returned to normal levels, and there is currently no customer impact. Mastercard has confirmed a network-side anomaly and their teams are actively investigating the root cause. Marqeta engineers continue to monitor systems closely while awaiting Mastercard's final technical findings before fully resolving the incident.

The investigation into card transactions routed to Mastercard network stand-in processing is ongoing. This may have cause some transactions to be approved or declined by network stand-in. There is currently no impact, however Marqeta engineers are continuing to engage Mastercard directly to investigate. We will update this space again upon any substantial change in status.

The issue affecting card transactions routed to Mastercard network stand-in processing remains ongoing. This may cause some transactions to be approved or declined by network stand-in. Currently Marqeta engineers are continuing to engage Mastercard directly to investigate the elevated stand-in processing rate. We will update you again in 30 minutes.

The issue affecting card transactions routed to Mastercard network stand-in processing remains ongoing. This may cause some transactions to be approved or declined by network stand-in. Currently Marqeta engineers are continuing to engage Mastercard directly to investigate the elevated stand-in processing rate. We will update you again in 30 minutes.

The issue affecting card transactions routed to Mastercard network stand-in processing remains ongoing. This may cause some transactions to be approved or declined by network stand-in. Currently Marqeta engineers are engaging Mastercard directly and investigating the elevated stand-in processing rate. We will update you again in 30 minutes.

On Thursday, September 24, 2026, at approximately 13:07 PT (20:07 UTC), Marqeta was notified of an issue causing some transactions approved or declined by network stand-in. Our team is actively investigating the root cause and assessing the full scope of impact.

A follow-up notification with more detail will be sent within 30 minutes.

We appreciate your patience as we work to resolve this as quickly as possible.