Sandbox and Partner Interface Access Issue

Update timeline

1. investigating Jun 19, 2026, 01:35 AM UTC

   Authorize.net is aware of an issue that is currently affecting the login process for Sandbox and Partner Login. We are investigating the cause and working urgently to resolve the issue. Impact: There is an issue with the Sandbox login where users are unable to log in after entering their credentials. The page continues to load and redirects to https://demo.authorize.net/ebc2/login. This issue is also occurring with the Partner login for Sandbox accounts. Reported Start Time: 21:42 GMT on 06/18/2026 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 #: INC26114283

2. resolved Jun 19, 2026, 03:21 AM UTC

   The issue affecting the Sandbox and Partner Login has now been fully resolved. Authorize.net is conducting an internal review of the events to mitigate future occurrences. Reported Start Time: 21:42 GMT on 06/18/2026 Reported End Time: 01:36 GMT on 06/19/2026 Impact: Users are now able to login to Sandbox 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 #: CYBSPS-5918 & INC26114283

3. postmortem Jun 22, 2026, 08:57 PM UTC

   Clients and merchants can access the Post Incident Report with their Support Center login credentials at the following [link.](https://support.authorize.net/knowledgebase/Knowledgearticle/?code=KA-11256)