TikTok Business Messaging may not be used to send any messages to or receive messages from the following countries or regions: the United States, European Economic Area, Switzerland and United Kingdom [This is a limitation from TikTok Side]

This restriction is based on the user's country when signing up for the TikTok account, but not their current location.

Additionally, sending and receiving image attachments is only supported if both the sender and receiver are located in countries that allow image attachments in direct messages as this feature is not available in all regions.

A way to display a notice or a tooltip when a country is unsupported or when messages will never arrive in the platform