external_identifier field retains the value you passed in the import file and a unique internal ID field is produced as a part of the import process.
Merchant advice file
Once all tokens, buyer, and payment methods were imported, a Merchant Advice File (example) is provided which logs the successful and unsuccessful imports of all resources as part of this process.- For each row attempted, a corresponding log item is shown with an audit reference tag
- The ID for each created buyer record created is outputted
- The ID for each created payment method created is outputted
- A list of failures and validation errors is outputted