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Trust Setup (first-send readiness)

Before production SMS, complete the activation spine (same for UI and A2A):

Agents

Humans

In-app Trust Setup under Account. Studio Now surfaces blockers from the same state machine.

Notes

  • 10DLC / toll-free paths may take 1–3 days external approval (pending_external)
  • Do not document carrier brand names in partner integrations

Next steps