TWILIO / TCR ERROR 30508Toll-Free VerificationRe-vetting penalty: Blocks Toll-Free SMS traffic (Error 30032)

Toll-Free Verification — Pre-selected opt-in checkbox is not allowed

The Toll-Free equivalent of 10DLC Error 30925. Toll-Free verification reviewers inspect your OptInImageUrls and live URL; if the SMS checkbox loads checked by default, verification fails with Error 30508.

Why DCA Reviewers Trigger Error 30508

  • HTML input has the checked attribute on load.
  • Screenshot uploaded in OptInImageUrls shows a pre-ticked checkbox without proving the user clicked it.

Side-by-Side Technical Comparison

FAILRejected Pre-Selected Toll-Free Box (Triggers 30508)
<input type="checkbox" name="tfv_sms" checked />
PASSCompliant Unchecked Toll-Free Box (Passes 30508)
<input type="checkbox" name="tfv_sms" />
<label>I agree to receive SMS messages from Harbor & Pine Dental. Msg & data rates may apply. Reply STOP to opt out.</label>

Other Common A2P 10DLC Rejection Codes