Fast, Reliable & Secure Services OTP Delivery
Across India

Instant OTPs. Zero Delays. Total Security.

We provide a high-performance OTP SMS platform that delivers one-time passwords within seconds — anywhere in India. With direct telecom integrations, real-time failover, and enterprise-grade APIs, we make sure your OTPs are delivered instantly, every time.

  • OTP Authentication
  • OTP Generator
  • OTP Verification
  • OTP Delivery
  • OTP Security
  • OTP Validation
  • OTP SMS Service
  • OTP Encryption
Generate OTP View Pricing
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Comprehensive Solution for B2C OTP SMS Service in India

Two factor authentication or OTP SMS service has never been easier when served without advance technology. Well, not anymore. With Smart5SMS, now serve out your customers with highest standard OTP SMS services across the India. Serving out your customers with OTP sms services makes more business opportunities. Hence, smart5sms OTP SMS gateway has been designed with offering an extra layer of security and for financial, crucial documents and other necessary important things this is the best SMS services that are provided by - smart5sms.

10000
+
Trusted by Over 10,000 Businesses for Secure OTP Delivery
  • 01

    Fast and Fail-Proof OTP Messaging

  • 02

    Secure OTPs. Delivered Instantly

Holistic business solution succeed with Smart5sms OTP services

  • Instant OTP Delivery Across All Networks
  • Developer-Friendly API & Easy Integration
  • Advanced Security & Compliance
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Why Choose Smart5solutions for OTP SMS Services?

Instant OTP Delivery You Can Count On

With smart5solutions, your OTPs are delivered within seconds, ensuring a seamless user experience. Whether it's login verification, payment confirmation, or secure access, our high-speed SMS gateways make sure your users aren't left waiting.

Key Points:

  • Instant OTP Delivery
    High Delivery Rates
    Secure & Compliant
    Easy API Integration
    24/7 Technical Support
  • Real-Time Reports
    Global Coverage
    Scalable System
    Budget-Friendly Plans
    Trusted by Businesse

Affordable Plans

Exclusive OTP SMS Package

OTP SMS

SMS Pack Price Duration
10 SMS Pack FREE TRIAL 10 Days
1,000 SMS Pack ₹400/- 1 Month
5,000 SMS Pack ₹1350/- 6 Months
10,000 SMS Pack ₹2500/- 1 Year
25,000 SMS Pack ₹5000/- 1 Year
50,000 SMS Pack ₹8,200/- 1 Year
*

Price Exclusive GST 18%, For Bulk Order 1 Lakh or more than 5 Lakh Contact us

Purchase Plan

SMS Features

Best OTP SMS Features

Fast, secure, and reliable OTP delivery with 99.9% uptime, multi-channel support, easy API integration, and real-time tracking.

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Super-Fast OTP Delivery

Ensure your users get their one-time passwords instantly for smooth authentication.

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99.9% Uptime with Automatic Failover

Reliable OTP delivery even during network disruptions or traffic spikes.

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Fully DLT & TRAI Compliant

OTP SMS services that meet all regulatory requirements, avoiding delays or blocks.

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API Integration

Seamlessly integrate our SMS gateway with your applications for automated and real-time messaging.

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Easy REST & SMPP API Integration

Simple, secure APIs designed for quick OTP SMS setup on any platform or app.

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Multi-Channel OTP Delivery

Send OTPs via SMS, Voice calls, or WhatsApp to maximize user reach and convenience.

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Real-Time OTP Delivery Reports (DLRs)

Track every OTP in real time to ensure successful verification flows.

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Scalable OTP Solutions

Flexible plans and infrastructure ready to handle millions of OTPs effortlessly.

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Secure & Encrypted OTP Transmission

Protect sensitive authentication data with end-to-end encryption.

How it Works

Our Bulk Email
Marketing Process

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Integrate the OTP API

Integrate our easy-to-use OTP API into your platform.

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User Enters Mobile Number

User enters their mobile number during verification.

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OTP Sent Instantly via SMS

OTP is instantly sent to the user via SMS.

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User Verifies with OTP

User submits the OTP to complete verification securely.

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Integrate the OTP API

Integrate our easy-to-use OTP API into your platform.

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User Enters Mobile Number

User enters their mobile number during verification.

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OTP Sent Instantly via SMS

OTP is instantly sent to the user via SMS.

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User Verifies with OTP

User submits the OTP to complete verification securely.

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12+ We’ve years
of experience

Industries We Serve

Industry-Focused
OTP Solutions You Can Rely On

  • FinTech: Secure OTP verification for transactions, account access, and fraud prevention.
  • E-commerce: Fast OTP delivery for user sign-ups, purchases, and payment confirmations.
  • EdTech: Protect student and staff logins with reliable OTP authentication.
  • Healthcare: Ensure patient data security with compliant and timely OTP verification.
  • Logistics: Authenticate driver and customer access for smooth, secure operations.
  • Banking & Insurance: Critical OTP services for secure banking, policy updates, and claims.

Have Questions?
We're Here to Help!

If you need more details or assistance, feel free to reach out.
Our team is always ready to chat and provide the support you need.

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Frequently Asked Questions

Can’t find what you are looking for? We would like to chat with you.

Our OTPs are delivered within 5 seconds on average, ensuring quick and smooth user verification.

Yes, we are fully DLT and TRAI compliant to ensure lawful and uninterrupted SMS delivery in India.

We offer easy-to-use REST and SMPP APIs, with full documentation to help you integrate quickly.

Yes, besides SMS, we support OTP delivery via Voice calls and WhatsApp for greater flexibility.

Our platform provides real-time delivery reports (DLRs) so you can monitor every message.

Absolutely! Our services scale seamlessly from startups to large enterprises.

We use end-to-end encryption and adhere to strict data protection standards to keep your OTPs secure.

Yes, our dedicated support team is available 24/7 to assist you with any questions or issues.