Messages
Send, validate, schedule, list, and manage RCS, SMS, and MMS messages.
Send RCS
Send an interactive RCS message.
Send SMS
Send a text message.
Send MMS
Send a message with media.
List messages
Query messages and their current state.
Send typing indicator
Show a typing state in supported conversations.
Message reactions
React to a supported message.
For implementation patterns, delivery behavior, and rate limits, see the messaging guides.