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The DLRs are dispatched to the Callback URL as specified by the client during the onboarding process. If this URL begins with ‘https://’ then the content is delivered securely.


Refer to the WhatsApp Callback section of the Sinch WhatsApp Business API Documentation for more details.


Learn more about how you can use the Sinch WhatsApp Business API to send messages easily and securely.

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Last update:
‎04-26-2021 01:28 AM
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