topic Why does CyberSource sandbox account activation fail? in cybersource APIs https://community.developer.cybersource.com/t5/cybersource-APIs/Why-does-CyberSource-sandbox-account-activation-fail/m-p/94745#M4040 <P>I signed up for a CyberSource sandbox developer account, but the activation link returns an internal server error. Is this a known issue, or is there something specific I need to fix on my side?</P> Mon, 22 Dec 2025 07:11:55 GMT Minato2d 2025-12-22T07:11:55Z Why does CyberSource sandbox account activation fail? https://community.developer.cybersource.com/t5/cybersource-APIs/Why-does-CyberSource-sandbox-account-activation-fail/m-p/94745#M4040 <P>I signed up for a CyberSource sandbox developer account, but the activation link returns an internal server error. Is this a known issue, or is there something specific I need to fix on my side?</P> Mon, 22 Dec 2025 07:11:55 GMT https://community.developer.cybersource.com/t5/cybersource-APIs/Why-does-CyberSource-sandbox-account-activation-fail/m-p/94745#M4040 Minato2d 2025-12-22T07:11:55Z