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Increase Conversions with OTP SMS

Increase Conversions with OTP SMS

Profile Headshot of Aayush Bangali
Aayush Bangali

5
mins read

June 1, 2024

Increase Conversions with OTP SMS

Key Takeways

  1. OTP SMS is an authentication methodology for businesses used by them in multiple scenarios including abandoned carts, checkout process, subscription purchases, onboarding etc.
  2. Although OTP is widely popular on SMS channel, yet the same is available across channels including WhatsApp. It adds an element of speed, security, and a seamless user experience to the user onboarding process
  3. OTP SMS can be enabled through OTP verification service providers like Verify Now by Message Central. You can start sending OTP SMS even without any DLT registration in India or any A2P 10DLC registration in the US
  4. OTP SMS can affect conversions in various business scenarios including abandoned shopping carts, signup process, 2 factor authentication etc.
  5. Businesses have seen considerable improvements in conversion percentage after implementing OTP SMS instead of lengthy authentication menthods

What is OTP?

OTP is a methodology of user verification which authenticates a user with SMS as a channel. This can be used in various situations like: -<Bullet Points>

  1. Abandoned carts,  
  1. Checkout process,  
  1. Subscription purchases
  1. Onboarding  

Why Enable OTP SMS?

According to Baymard Institute, 70% of online shopping carts are abandoned. The major reason behind this is due to the long details which need to be filled to checkout. That is when OTP comes in. By sending an OTP SMS, a lot of other verification details can be let go of.

OTP SMS has the potential to reduce this funnel leakage, i.e. abandoned carts, by a significant percentage. The following features of OTP SMS make it an ideal single touchpoint: -<Bullet POints>

  1. Speed: OTP SMS is a fast and easy method of authenticating a user. It is kind of an express lane, thereby reducing the overall shopping time. This considerably increases the conversion rate.  
  1. Security: Sending OTP is one of the most trusted channels of authentication. There are very less chances of breach. Although, pointers for OTP SMS fraud prevention should always be kept in mind while implementing OTP authentication.  
  1. User Experience: A user flow is measured against the effort, time and no. of steps a user must perform to complete a desired action. With OTP SMS, all three including the efforts from their end, the time spent on tasks and the steps they have to perform to complete the purchase are reduced to just one.  
  1. One Information, Multiple Channels: OTP is also a good alternative to the signup information that platforms take from users. Now, with the emergence of phone number-based OTT channels like WhatsApp, the significance of the phone numbers has increased multifold.  
    WhatsApp broadcast can be used to reach users via their phone numbers. You can also refer to our guide on an example of a WhatsApp broadcast message.  

How to Enable OTP SMS for Increased Conversions?

  1. The first step you should take is to select a trusted SMS provider. Verify Now by Message Central is one of the best SMS verification services. It has global connectivity, the best SMS routes and competitive SMS rates. The team also provides 24/7 customer support.
  2. With Verify Now, you can simply signup for free in just 2 steps. The platform works on a pay as you go model and you do not have to pay any sort of subscription charge.  
  3. Once you have signed up, you can test the SMS verification for free. Once tested, you can start integrating the verification APIs using the API documentation given inside the platform.
    You can also watch a video to see how OTP SMS APIs can be integrated. You can also reach out to the team for any help.
  4. Once the integration is done, you can simply top up and start sending OTP SMS.

Where to Enable OTP SMS?

You can multiply conversions in a no. of scenarios by enabling OTP SMS. A few of those high impact ones are mentioned below:

  1. Shopping Carts: You can enable OTP SMS to ensure that there are more no. of conversions than drops from shopping carts while checkout. You can also use SMS APIs to send abandoned cart SMS notifications.
  1. Signup: You can use OTP based onboarding to ensure a short and better user experience. This can be used for both login and signups.
  1. 2 factor authentication: You can use OTP SMS as a part of your two or multi factor authentication process.
  1. Approval and Secure Access: OTP verification can be used to ensure that information is accessed only by an authorized entity and its sanctity is maintained.  

Why Verify Now for OTP SMS?

Verify Now is an OTP SMS provider by Message Central. It is one of the best platforms to use for sending OTP SMS. For countries like India, Verify Now also enables OTP SMS without any DLT registration. You should select Verify Now because:

  1. A one stop developer friendly API based solution
  2. The best SMS routes
  3. Competitive SMS rates  
  4. 24/7 customer support  
  5. Analytics and dashboard

You can signup for free or get in touch with the team for any custom needs. The platform is trusted by 70+ organizations across the globe.

Frequently Asked Questions

How do I choose the right OTP service provider?

When selecting an OTP SMS service provider, focus on:

  • Delivery reliability and speed
  • Global coverage and local compliance
  • Multi-channel support and fallback
  • Ease of integration
  • Pricing transparency

The right provider should not just send OTPs but ensure they are delivered consistently across regions and networks.

Not all OTP SMS service providers are built the same.

Some optimize for cost, others for flexibility but very few balance delivery reliability, global coverage and ease of use. And that balance is what actually impacts whether your users receive OTPs on time.

If OTP is critical to your product, focus on:

  • reliable delivery (not just sending)
  • multi-channel fallback
  • scalability across regions

Try It for Yourself

Why is multi-channel OTP important?

Relying only on SMS can lead to failed verifications due to:

  • network issues
  • telecom filtering
  • device limitations

Multi-channel OTP systems (SMS + WhatsApp + voice) improve success rates by automatically retrying through alternative channels if one fails.

What is the best OTP SMS service provider in India?

Some of the commonly used OTP SMS service providers in India include MSG91, Exotel and 2Factor.

That said, India has additional challenges like DLT compliance and operator filtering. Platforms that handle these internally while also offering fallback options tend to provide more consistent OTP delivery.

Which is the cheapest OTP service provider?

Providers like Fast2SMS and 2Factor are often considered among the cheapest OTP service providers, especially in India.

However, lower pricing can come with trade-offs such as:

  • lower route quality
  • higher delivery delays
  • limited fallback options

For mission-critical OTP flows, reliability often matters more than just cost.

Which is the best OTP service provider in 2026?

The best OTP service provider depends on your use case.

  • For global scale and flexibility: Twilio, Infobip
  • For cost-effective APIs: Plivo
  • For India-focused SMS OTP: MSG91, Exotel

However, platforms like Message Central stand out by balancing global coverage, multi-channel fallback and ease of deployment, making them suitable for businesses that prioritize delivery reliability.

What is an OTP service provider?

An OTP service provider enables businesses to send temporary verification codes to users via channels like SMS, WhatsApp or voice to authenticate logins, transactions or sign-ups.

Modern OTP SMS service providers go beyond just sending messages, they ensure reliable delivery using optimized routing, retries and sometimes multi-channel fallback.

Ready to Get Started?

Build an effective communication funnel with Message Central.

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