Marqeta experienced a major incident on September 24, 2026 affecting Payment Processing, lasting 1d 4h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 24, 2026, 08:56 PM UTC
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.
- investigating Sep 24, 2026, 09:26 PM UTC
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.
- investigating Sep 24, 2026, 09:55 PM UTC
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.
- investigating Sep 24, 2026, 10:23 PM UTC
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.
- investigating Sep 24, 2026, 11:12 PM UTC
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.
- monitoring Sep 25, 2026, 01:18 AM UTC
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.
- resolved Sep 26, 2026, 01:28 AM UTC
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.