Authorize.Net incident
API Connection/Endpoint - Server Integration Method (SIM) Relay Response Issue
Authorize.Net experienced a minor incident on August 20, 2026 affecting Server Integration Method (SIM), lasting 1d 5h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 20, 2026, 03:13 PM UTC
Authorize.net is aware of an issue that is currently affecting the Server Integration Method (SIM) Relay Response. We are investigating an issue where some customers may encounter a blank page after successful payment submission, and we are working urgently to resolve the issue. Impact: Merchants using SIM Relay Response may experience an issue where customers are redirected to a blank page instead of the expected confirmation page after submitting a payment. Reported Start Time: 06 August 2026, TBD Next Update: Within 60 minutes 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 #: INC26655163
- investigating Aug 20, 2026, 03:16 PM UTC
Authorize.net is aware of an issue that is currently affecting the Server Integration Method (SIM) Relay Response. We are investigating an issue where some customers may encounter a blank page after successful payment submission, and we are working urgently to resolve the issue. Impact: Merchants using SIM Relay Response may experience an issue where customers are redirected to a blank page instead of the expected confirmation page after submitting a payment. Reported Start Time: 01 July 2026, TBD Next Update: Within 60 minutes 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 #: INC26655163
- identified Aug 20, 2026, 04:12 PM UTC
Authorize.net has identified the issue affecting the Server Integration Method (SIM) Relay Response and we appreciate your patience as we work urgently to implement a mitigation. Impact: Merchants using SIM Relay Response may experience an issue where customers are redirected to a blank page instead of the expected confirmation page after submitting a payment. Reported Start Time: 01 July 2026 TBD 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 #: INC26655163
- resolved Aug 21, 2026, 08:47 PM UTC
The issue affecting Server Integration Method (SIM) Relay Response Service has now been fully resolved. Authorize.net is conducting an internal review of the events to mitigate future occurrences. Reported Start Time: 01 July 2026, 12:00 GMT Reported End Time: 21 August 2026, 18:30 GMT Impact: Customers are now able to use the Server Integration Method (SIM) with Relay Response Service 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.
- postmortem Aug 24, 2026, 09:39 PM UTC
Clients and merchants can access the Post Incident Report with their Support Center login credentials at the following link. [Post Incident Report](https://support.authorize.net/)