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Validate a Number then Start a Verification

A 2-step recipe with Twilio. We can help you get access.

Recipe · 2 steps

Validate a Number then Start a Verification

with Twilio

Validate a number with Lookup, then conditionally start a verification.

  1. Query the Lookup API for validation and line type intelligence on the supplied number.
  2. Start a verification on the Verify service for the validated number.
What you'll need to have ready
  • phoneNumber: The phone number to validate and verify, in E.164 format.
  • serviceSid: The Verify service SID (starts with VA).
  • channel: Delivery channel - one of sms, call, email, whatsapp, or sna.
For your developer

Arazzo workflow twilio:lookup-then-start-verification, 2 operations: fetchPhoneNumber → createVerification. Specs on APIs.io.

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