How to Enable OTP Verification in Your Website Forms Without Any Coding

If you're running lead forms, you already know the problem isn’t traffic, it’s the quality of the submissions. In 2026, bots, fake phone numbers, and low-intent entries quietly drain your CRM, your sales team’s time, and your ad budget. Even the best lead capture forms fail when users enter junk data just to “peek inside.”
That’s why adding an OTP verification in website forms or any lead forms is now a must-have for every serious funnel. And the best part?
You can enable OTP verification without writing a single line of code on MakeForm - AI form builder.
Today we show you exactly how to add OTP verification to your website forms using MakeForms in under 60 seconds, and don’t forget to read our new SMS OTP verification feature updates as well at the end!

How to Add OTP Verification to Your Website Forms on MakeForms (No Coding Needed)

Here’s the simplest way to turn your basic lead forms into OTP forms that verify real users instantly with MakeForms.

1. Add a Phone Number/Email Field to Your Form

Make sure the phone number field / email ID field is a required field 

2. Enable OTP Verification in Field Settings

On the right side of the screen, you will see “Field Settings”. Once you select your phone number / email ID field, you will find a toggle button that says “Enable Verification".

3. Customize Settings 
Next you can fine-tune the OTP experience to suit your audience and improve conversion. 

For example, you can restrict submission to only from specific countries, or enable automatic country code detection based on the user’s location to make input faster. 
You can also personalize the SMS / Email message users receive and set how long the OTP stays valid, giving you full control over both branding and verification flow.

4. Block Form Submission Until Verified
If you have ensured the phone number field is required, then the form is submittable only after the OTP has been entered and validated. This is the best way to prevent fake phone verification attempts that bypass form security.

5. Finally, Simply Test the Flow

You can test the form in various devices to ensure delivery and experience are seamless. MakeForms offers OTP verification globally, so your customer’s phone or email ID could be anywhere in the world. They will receive their OTP for verification. 

Where OTP Verification Has Maximum Impact

Industries that rely on real, reachable phone numbers and email IDs see the biggest and fastest gains from OTP verification in website forms, especially fields like marketing, real estate, healthcare, financial services, automotive, education, and service-based businesses.  
We see the impact all the time with our users, that’s why we knew we had to make adding an OTP verification in website forms, as simple as possible.
We fully understand the gravity of a phone number or an email ID; it’s the gateway to appointments, demos, consultations, and most importantly revenue. 
One fake number or email ID can waste a sales rep’s time, distort campaign performance, and even delay critical service delivery. That’s why we like to stay on top of building features that keep your lead forms verified, your CRM healthy, and your team focused on real customers. 

FYI, the OTP Phone Verification Feature just got even better on MakeForms 

We’re always listening, always learning from how you use MakeForms, and always building small (and big) improvements that make your forms perform better and your leads more reliable. Here are the latest OTP verification updates designed to give you cleaner data, smoother funnels, and an effortless experience for your users:

1. Automatic Phone Detection

Your forms now automatically detect a user’s country and attach the correct ISD code, no scrolling long lists. If someone enters their number with the code, MakeForms instantly sanitizes it for accuracy. 
Enable it via: Field Settings → Phone Number Field → Smart Detection

2. SMS-Only Verification

When WhatsApp or email feels unstable, you now have the option to switch to SMS-only OTP delivery for consistent, no-fail verification. 
Find it under: Verification Settings → Method → SMS Only

3. Verify Before Filling the Form (Verify First Flow)

You can now require verification before someone even sees your form. Finance, real estate, education, healthcare, this one’s for you. 
Turn it on at: Verification Flow → Enable “Verify Before Form Access”

4. Inline Verification

OTP verification now happens right inside the form, without pop-ups or redirects. They receive the code, enter it instantly, and keep going without losing momentum. 
Activate it via: Form Settings → Inline Verification

Enable OTP Verification to your form on MakeForms now

Every one of these updates comes from our obsession with helping you collect real, verified leads with every form submission. We’ll continue to roll out features that keep your data cleaner. If you haven’t tried these enhancements yet, give MakeForms a try right now and watch your lead quality change overnight.