AT&T Messaging
Unified messaging capability combining AT&T SMS API and In-App Messaging API for customer notifications, two-way messaging, and inbox management. Used by developers building mobile apps and enterprise notification systems.
What You Can Do
MCP Tools
sms-send-message
Send an SMS short code message to AT&T subscribers for notifications, alerts, or marketing
sms-check-delivery-status
Check the delivery status of a sent SMS message
sms-get-inbound-messages
Poll for inbound SMS messages received on a registered short code
in-app-send-message
Send an MMS or SMS message on behalf of an authenticated AT&T user
in-app-list-messages
List messages from a user's AT&T inbox with pagination and unread filtering
in-app-get-message
Get full details of a specific inbox message including content and metadata
in-app-delete-message
Delete a message from the user's inbox permanently
in-app-sync-inbox-delta
Get inbox changes since last synchronization for efficient message management