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Why you should verify submissions

Verifying submissions ensures that the information you receive is accurate and authentic. It helps prevent spam and fraudulent entries, saving time and resources. Additionally, verification builds trust with users by protecting their data and maintaining the integrity of your brand.

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Enable email verification

First, click the email field or question followed by its . In the right-hand panel, toggle the Send verification code switch. Screenshot 2025-11-05 at 2.33.26 PM.png That’s it! A verification code will now be sent to your respondents when they fill out your form. SMS verification
OTP verification is part of the conversion kit paid add-on. Learn more and get started here.

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Enable SMS mobile verification

Drag and drop the Phone number field to your form or click it if you already have one. Similar to the steps above, turn on the Send verification code switch. If your form is connected to Twilio, our SMS verification feature will send messages using your Twilio account.
This feature is currently only available for US mobile numbers. However, you may request for your country to be added by emailing us at support@fillout.com.

Email validation

Validate emails and disallow free email accounts.

Send messages with Twilio

Automate SMS updates to customers.