When you request a payment, Checkout.com assigns it with a Retrieval Reference Number (RRN) during the authorization stage and sends it to the scheme.
The RRN is used to track a payment throughout its lifecycle.
When you request a payment, Checkout.com assigns it with a Retrieval Reference Number (RRN) during the authorization stage and sends it to the scheme.
The RRN is used to track a payment throughout its lifecycle.