Outage in Authorize.net
NAB EPX Processing Service Disruption
Resolved MajorIncident Report
Summary AI Generated
**NAB EPX Processing Service Disruption** on Authorize.net caused merchants to receive RTC 20 errors when attempting to authorize transactions through the NABEPX processor, beginning August 13, 2026 at 16:07 GMT. The issue was mitigated by 17:39 GMT the same day, with Authorize.net and NABEPX collaborating to resolve it, followed by a monitoring period to confirm stability. Full resolution was confirmed on August 14, 2026 at 19:13 GMT, with normal transaction processing restored and an internal review initiated to prevent recurrence.
Authorize.net is aware of an issue that is currently affecting the NAB Processor transaction processing.
We have received confirmation from NABEPX that they are aware of the issue on their end and we are actively communicating with them to identify and resolve the issue.
Impact:
Merchants may encounter transactions returning RTC 20 on NABEPX processor during authorization.
Reported Start Time: 13 August 2026, 16:07 GMT
Next Update: As current status changes
We regret any inconvenience this may cause for our customers. We will provide regular updates until the issue is mitigated.
Incident #: INC26740172
Components affected
Authorize.net NAB EPXTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
9 days ago - at 08/14/2026 07:13PM
The issue affecting NABEPX transaction processing has now been fully resolved. Authorize.net is conducting an internal review of the events to mitigate future occurrences.
Impact: Merchants are now able to process transactions on NABEPX processor as normal.
Reported Start Time: 13 August 2026 16:07 GMT
Reported End Time: 13 August 2026 17:39 GMT
Impact: Merchants are now able to process transactions on NABEPX processor as normal.
Next Update: No further updates, issue resolved.
Please do not hesitate to contact the Authorize.net support team if you have any questions or concerns.
Authorize.net Support Center
Incident #: INC26740172
MONITORING
10 days ago - at 08/13/2026 06:18PM
The issue affecting transactions processed through the NABEPX processor has been mitigated.
Visa continues to monitor closely with NABEPX to confirm service stability and ensure the issue is fully resolved.
Impact:
Merchants may have encountered transactions returning RTC 20 on NABEPX processor during authorization.
Reported Start Time: 13 August 2026, 16:07 GMT
Reported End Time: 13 August 2026, 17:39 GMT
Next Update: As current status changes
We regret any inconvenience this may cause for our customers. We will provide regular updates until the issue is mitigated.
Please do not hesitate to contact the Authorize.net support team if you have any questions or concerns.
Authorize.net Support Center
Incident #: INC26740172
INVESTIGATING
10 days ago - at 08/13/2026 05:32PM
Authorize.net is aware of an issue that is currently affecting the NAB Processor transaction processing.
We have received confirmation from NABEPX that they are aware of the issue on their end and we are actively communicating with them to identify and resolve the issue.
Impact:
Merchants may encounter transactions returning RTC 20 on NABEPX processor during authorization.
Reported Start Time: 13 August 2026, 16:07 GMT
Next Update: As current status changes
We regret any inconvenience this may cause for our customers. We will provide regular updates until the issue is mitigated.
Incident #: INC26740172
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