API Connection/Endpoint - Server Integration Method (SIM) Relay Response Issue

Incident Report for Authorize.net

Resolved

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.
Posted Aug 21, 2026 - 20:47 UTC

Identified

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
Posted Aug 20, 2026 - 16:12 UTC

Update

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
Posted Aug 20, 2026 - 15:16 UTC

Investigating

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
Posted Aug 20, 2026 - 15:13 UTC
This incident affected: API Connection/Endpoints (Server Integration Method (SIM)).