AI AgentsPart 3
palaniappan p7 min
AWS End User Messaging SMS: 10DLC, Fallback, and When Not to Build the Agent on SMS (2026)
A US 10DLC number lists at $1 a month, a regular campaign at $10, and company vetting at $41.50. SMS is the OTP and the RCS fallback. It is the wrong place to build the rich agent.