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When onboarding to Sinch's WhatsApp service, you usually have to complete a verification process for the number you'd like to use as a WhatsApp sender ID. This process involves the delivery of a one-time passcode (OTP) to the number you will use as y...

Yes, you can add custom keywords to the existing opt-in and opt-out keyword list used by the consent management functionality. Both auto-replies and trigger keywords have defaults for the English, Spanish, and Portuguese languages. The defaults are d...

When using consent management, there are no extra charges for any mobile originated (MO) messages processed. All auto-response messages are charged as normal mobile terminated (MT) messages. For information on Conversation API's consents endpoint, se...

Conversation API's consent management functionality allows you to automatically manage opt-in and opt-out mobile originated (MO) messages.To activate consent management: Log in to the Sinch Build Dashboard. Navigate to the Apps tab under Conversation...

Ensuring that you keep track of which customers opt-in and opt-out of different messaging campaigns is essential. Additionally, several of Conversation API's channels require you to obtain recipient opt-in prior to sending certain messages. The conse...