REG-002 - Messaging to US numbers is prohibited without 10DLC registration.

What does the REG-002 Error mean?

If a message you sent is not delivered to the end device and returns a REG-002 error code, this means that you have not applied for 10DLC registration for your business with Sakari, or your 10DLC campaign needs to be applied to your phone numbers. 

Action Required

• If you haven't applied for 10DLC, please see this article and complete the registration form: https://support.sakari.io/hc/en-us/articles/360056853072-What-You-Need-to-Know-About-10DLC
• If you have already applied for 10DLC, please contact the Sakari support team by emailing: help@sakari.io