Core Resources · Authentication
Refresh Access Token
Use a valid Refresh Token to obtain a new Access Token. This mechanism allows your application to stay authenticated securely over long periods by rotating short-lived access credentials.
Request Body Parameters
refreshToken string required
The valid refresh token obtained during the initial login.Pro Tip: If the refresh token is expired or revoked, this endpoint will return a 401 Unauthorized error, indicating that the merchant must re-authenticate using their API credentials.