No. SMSGatewayCenter provides a drag-and-drop Flow Builder: you add screens, drag components (heading, text, inputs, choices, date, image, etc.) onto each screen, and configure labels and options in the Edit panel. No JSON or code is required unless you want to use Export/Import for backup or advanced use.
Do I need coding skills to create a WhatsApp Flow?
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Updated on 18/06/2026