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Overview of How to Set Up Your Cybersource
Account
Cybersource
AccountThis overview lists the tasks you must complete in order to set up your
Cybersource
account for sending and receiving REST API messages using either JSON Web Token
messaging or HTTP signature messaging.WARNING
By
September 2026
, all merchants using HTTP signature
messaging must migrate to JSON Web Token (JWT) messaging in order to support
message-level encryption (MLE). You risk transaction failures if you do not
implement this update. If you are setting up your system to be REST-compliant for
the first time, Cybersource
recommends using JWT messaging.Figure:
Set Up Your
Cybersource
AccountTo set up JSON web token messaging using P12 certificates, see Set Up a JSON Web Token Message Using P12 Certificates.
To set up JSON web token messaging using shared secret key pairs, see Set Up a JSON Web Token Message Using Shared Secret Keys.
To set up an HTTP signature messaging, see Set Up an HTTP Signature Message [DEPRECATING].