You will need to generate a brand new key to use REST APIs. Please see
https://developer.cybersource.com/docs/cybs/en-us/security-keys/user/all/ada/security-keys/keys-rest-intro/keys-rest-create.html
you authorise with the token and reference the returned Request ID for
the capture.
https://developer.cybersource.com/api-reference-assets/index.html#payments_payments_process-a-payment_samplerequests-dropdown_authorization-using-tokens_authorization...
