Here is a sample script.
"tracking": {
"slug": "mondialrelay-fr",
"tracking_number": "12345568",
"tracking_account_number": "{Your account number}",
"tracking_key": "{Private key}" }
}```Add Additional Fields While Making POST API Calls - Mondial Relay
Add Additional Fields While Making POST API Calls - Mondial Relay in AfterShip Tracking: follow setup steps, configure key options, verify behavior.