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A fix has been implemented and we are monitoring the results.

Cybersource have observed a recurrence of the previously reported issue impacting Cybersource CAS Merchant Sign Up Services. Our teams are actively investigating and implementing mitigation measures to restore normal service. Currently Sandbox signup page is temporarily unavailable on cybersource & visaacceptance - https://developer.visaacceptance.com/hello-world/sandbox.html Please contact us if you need one. reference support article : https://support.visaacceptance.com/knowledgebase/knowledgearticle/?code=000002108 Impact:Merchant sign-up services are temporarily unavailable Reported Start Time: 24 July 2026 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 Cybersource support team if you have any questions or concerns. Cybersource Support Center Incident #:INC26538085