A2P 10DLC Campaign Vetting Delays: We are experiencing delays while vetting 10DLC campaigns. Our third party is reviewing campaigns manually, and due to the high volume of requests, a queue has built up. Campaign reviews are expected to take longer. Twilio is working with the provider to help expedite this process. New details will be shared in our incident report as soon they become available.

What happens if I send a message to a WhatsApp user that has blocked me?

When sending WhatsApp messages, if a user has blocked your phone number in the WhatsApp app (see below), then your messages will not be delivered.

In the Twilio Console or via API, you can view the status for each message you send. Messages sent to blocked phone numbers will show as “Sent”. Please note that there’s other scenarios in which a message might stay in “Sent” and it does not guarantee that the user has blocked your WhatsApp Sender.

WhatsApp used to return a specific error code when sending messages to blocked phone numbers. This is no longer the case as they view this a violation of privacy for the end user. As a result, we are no longer able to pass that specific error code along.


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