Incident History for NMI

A complete log of all past incidents, outages, and scheduled maintenance.

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applies to the 15 loaded
Intermittent errors in Electronic Check Processing

Resolved

Affected Components

Electronic Check Processing

Resolved

on Oct 24, 2026

Electronic Check Processing errors have been resolved; no additional errors since 3:10 CDT after issues from 11:45 PM to 3:10 AM CDT.

Investigating

on Oct 24, 2026

Engineers are investigating intermittent error responses during electronic check processing since 11:45 PM CDT.

Batch settlement delays on Fiserv (First Data)

Resolved

Affected Components

Credit Card Processors - First Data Nashville North

Resolved

on Oct 23, 2026

Fiserv has finished sending response files for all outstanding First Data batches, resolving the incident.

Investigating

on Oct 23, 2026

Engineers are investigating delayed responses for some First Data batches with Fiserv.

Web Portal Down

Resolved

Affected Components

Control PanelTransaction API

Resolved

on Oct 22, 2026

The Gateway services incident affecting the Transaction API and Control Panel is now resolved after stability was observed.

Monitoring

on Oct 22, 2026

Engineers continue working on a fix for the Gateway services incident affecting the Transaction API and Control Panel.

Monitoring

on Oct 22, 2026

Engineers are monitoring issues after identifying a possible Gateway service incident affecting the Control Panel.

Card-present transaction processing recovered after network issue

Resolved

Affected Components

Credit Card Processing

Resolved

on Oct 22, 2026

The transaction processing incident affecting Credit Card Processing has been resolved as of October 22.

Monitoring

on Oct 22, 2026

Card-present transactions recovered at 10:59 UTC after an upstream network connectivity issue; monitoring for stability.

OMNI maintenance may interrupt web sessions

Resolved

Affected Components

Control Panel

Resolved

on Oct 22, 2026

OMNI maintenance is complete and all services are operating normally; log out and back in if web session issues persist.

Identified

on Oct 22, 2026

OMNI maintenance is ongoing and web sessions may continue to be interrupted until the work is complete.

Under Maintenance

on Oct 21, 2026

OMNI maintenance is underway and may interrupt web sessions for about one hour.

Increased error responses on Gateway Services

Resolved

Affected Components

Control PanelQuery APITransaction API

Resolved

on Oct 21, 2026

The Gateway Services incident is resolved; no additional 503 responses have occurred since requests were impacted from 22:16 to 22:36 CDT.

Monitoring

on Oct 21, 2026

Engineers are monitoring increased HTTP 503 error responses that impacted requests from 22:16 to 22:36 CDT.

Intermittent carrier issues affecting credit card processing

Resolved

Affected Components

Credit Card Processing

Resolved

on Oct 20, 2026

The connectivity issues affecting Gateway Services have been resolved, and all services are operating normally.

Monitoring

on Oct 20, 2026

Connectivity has been restored and transactions are processing normally, with engineers monitoring to confirm services remain stable.

Identified

on Oct 20, 2026

Intermittent carrier connectivity issues affecting credit card processing have been identified, and remediation is underway while some customers may still see errors.

Investigating

on Oct 20, 2026

We are investigating intermittent connectivity issues with upstream network carriers affecting credit card processing.

Intermittent connectivity issues affecting Credit Card Processing

Resolved

Affected Components

Credit Card Processing

Resolved

on Oct 20, 2026

The intermittent connectivity issues affecting Credit Card Processing have been resolved.

Monitoring

on Oct 20, 2026

Service has recovered from intermittent connectivity issues causing transaction errors and timeouts; monitoring continues.

Investigating

on Oct 20, 2026

Intermittent connectivity issues are causing transaction errors and gateway timeouts for some merchants since 03:02 UTC.

3D Secure transactions slow or failing

Resolved

Affected Components

Credit Card Processing

Resolved

on Oct 20, 2026

3D Secure response times have been normal since 01:54 UTC and the incident is resolved.

Monitoring

on Oct 20, 2026

A fix has been implemented for 3D Secure transaction issues and teams are monitoring the results.

Monitoring

on Oct 20, 2026

Teams are actively in talks about the ongoing 3D Secure delays, with a further update expected soon.

Monitoring

on Oct 20, 2026

The source of 3D Secure delays has been identified as an external authentication service, and the issue is being monitored closely.

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Batch settlement delays on Fiserv (First Data) resolved

Resolved

Affected Components

Credit Card ProcessingCredit Card Processors - First Data CanadaCredit Card Processors - First Data CaribbeanCredit Card Processors - First Data Nashville North

Resolved

on Oct 18, 2026

Batch settlement delays on Fiserv (First Data) are resolved; all files have been cleared successfully.

Completed

on Oct 18, 2026

Fiserv maintenance is complete and connectivity restored; pending settlement batches are being submitted while monitoring confirms batches settle as expected.

Identified

on Oct 18, 2026

Fiserv maintenance is causing settlement batch delays for First Data platforms; pending batches will be submitted once their systems are available.

3D Secure authentication issues

Resolved

Affected Components

Credit Card Processing

Resolved

on Oct 13, 2026

3D Secure authentication issues are resolved; the fix has held since 03:20 UTC and service is operating normally.

Monitoring

on Oct 13, 2026

A fix has been implemented for 3D Secure authentication issues and we are monitoring results to confirm resolution.

Investigating

on Oct 13, 2026

Investigation continues into 3D Secure authentication issues affecting a subset of customers on Credit Card Processing.

Investigating

on Oct 13, 2026

3D Secure authentication is experiencing issues for a subset of customers; investigation is ongoing with the 3DS provider.

Worldpay eCommerce Processing Timeouts

Resolved

Affected Components

Credit Card Processors - Worldpay / Vantiv

Resolved

on Oct 8, 2026

Worldpay eCommerce processing errors have stopped and performance is back to normal.

Monitoring

on Oct 8, 2026

We are monitoring connectivity on the Worldpay eCommerce platform, which has experienced timeouts since 09:46 PST.

Gateway Web Portal Down

Resolved

Affected Components

Control PanelCredit Card ProcessingElectronic Check ProcessingQuery APITransaction API

Resolved

on Sep 25, 2026

The Gateway web portal incident is resolved and no further interruptions have been observed.

Monitoring

on Sep 25, 2026

Engineers are monitoring a possible service incident affecting the Gateway web portal and multiple processing components.

Batch processing delays under investigation

Investigating

Affected Components

Transaction APICredit Card Processing

Investigating

on Sep 22, 2026

We are investigating reports of delays affecting batch processing, with some customers experiencing longer than expected processing times.

Gateway connectivity issues under investigation

Resolved

Affected Components

Control PanelCredit Card ProcessingElectronic Check ProcessingQuery APITransaction API

Resolved

on Sep 21, 2026

Gateway connectivity incident resolved; no further issues seen after brief errors and longer transaction times.

Monitoring

on Sep 21, 2026

Engineers are monitoring gateway connectivity issues after brief errors and longer transaction times occurred.

Investigating

on Sep 21, 2026

Engineers are investigating upstream carrier issues impacting connectivity across multiple gateway services.

    Incident History for NMI