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The SMS node sends a text message to a phone number. Use it to deliver confirmations, one-time codes, or follow-up links.

Behavior

  • Sends an SMS to the configured phone number with the specified message
  • Supports {{variable}} interpolation in both fields
  • Continues the flow on success or routes to the error path on failure

Configuration

ParameterTypeDefaultDescription
phoneNumberstring""Recipient phone number. Supports {{variable}} interpolation (e.g., {{caller_phone}}).
messagestring""SMS message body

Output handles

HandleDescription
SuccessSMS sent successfully
ErrorSMS delivery failed

Use cases

Generate a code via Set Variable, send it via SMS, then ask the caller to enter it using Collect Digits for verification.
After the call ends, send a link to a satisfaction survey or a summary of the conversation.
While a caller waits in a queue, send an SMS with estimated wait time and a callback option link.