

Validate phone numbers inside forms and surveys with a one-time passcode (OTP). Improve data quality, reduce spam, and clearly identify which submissions included a verified phone number.
Forms and surveys often collect incorrect, fake, or mistyped phone numbers, making follow-up communication unreliable and reducing the quality of lead data inside the CRM.
SMS Verification in BizStackPro uses one-time passcodes (OTP) to confirm that a submitted phone number is valid before marking it as verified inside form and survey submissions.
Without phone verification, businesses can waste time on failed outreach, inaccurate contact records, lower-quality leads, and unnecessary automation activity tied to invalid numbers.
This guide explains how SMS Verification works in forms and surveys, how verified phone status appears in submissions, how to enable or disable the feature, and how to manage verification-related costs and workflows inside BizStackPro.
Before enabling OTP verification on your forms, it helps to understand how the verification flow and verified status tracking work inside BizStackPro.
SMS Verification for Forms and Surveys lets participants confirm their phone number during submission using a one-time verification code (OTP) sent via SMS. This helps prevent typos, reduces fake numbers, and improves the reliability of your contact data.
Once verified, submissions include a dedicated Phone Verified field—so you can quickly filter for verified contacts.
Best use: Enable verification on lead capture, applications, onboarding, and any form where accurate phone numbers are critical for follow-up.
If it fails: If the code is missing or incorrect, the number won’t be verified. The participant can request a new code and try again.
Each submission includes a Phone Verified field. When a participant completes OTP verification successfully, the value is marked as Yes.
Workflow idea: Trigger follow-up SMS only when Phone Verified = Yes (or use it as a filter/segment step before outreach).
SMS Verification can be toggled per form or per survey, so you can apply it only where it matters most.
OTP messages sent during the verification flow are billed separately as SMS usage. If a form receives high traffic, plan for the extra verification message volume in your messaging budget.
Tip: Use SMS Verification on high-intent forms (applications, booking requests, onboarding), and keep it off for low-stakes surveys to control costs.
OTP verification helps reduce fake entries and improves the quality of your follow-ups—especially for lead capture and onboarding.
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Participants enter their phone number and click Verify Phone. They receive an OTP via SMS and must enter it into the form/survey to confirm the number.
The phone number will not be marked as verified. Participants can request a new code and try again.
Submissions include a Phone Verified field. Verified numbers show Yes.
Yes. OTP messages used for verification are billed separately as SMS usage.
Yes. You can toggle SMS verification on or off for each form or survey, depending on your needs.
SMS Verification helps ensure the phone numbers you collect are real—so your outreach lands with the right people.
Cleaner data. Better campaigns.
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