You can update a customer's name in Paynote using the POST https://{environment}-paynote.seamlesschex.com/v2/user/{user_id}/update endpoint. This endpoint is specifically designed to change either the firstName and lastName (for individuals) or the businessName (for businesses). You’ll need to include your Bearer API key for authentication and pass only the new name values you wish to update. Other customer fields—like email, phone, or address—cannot be modified through this endpoint. On success, you’ll receive a confirmation response indicating the customer’s name has been updated.
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Before using any endpoint, you need to set the environment:
Click on Environment in the Base URL and enter the appropriate option:
• api (Production) for the live environment.
• sandbox (Sandbox) for testing.