OTP SMS API
Fast OTP delivery for apps and websites.
Explore service
DRISHTI ELECTRONIC · Registered MSME
Bulk OTP & SMS API Without DLT
for Indian Businesses 2026
NinzaSMS helps businesses integrate OTP and SMS messaging into websites and applications. Explore OTP messaging, bulk SMS, developer APIs and available WhatsApp messaging features, with route availability and telecom requirements confirmed for your use case.
Instant Setup
API Ready
Secure
Support Available
NinzaSMS · Communication Dashboard
Messaging tools
SMS + OTP
Integration
API
Check current availability in your account
Secure APIHTTPS protected
OTP DeliveredVerification message
Communication Suite
Everything you need to connect users
SMS, OTP, API and communication tools designed for websites, apps and businesses.
Bulk SMS
Send business SMS through supported routes.
Explore serviceOTP API
Developer-ready OTP verification API.
Explore serviceSMS API
REST API for application messaging.
Explore serviceSMS Gateway
Connect applications with SMS infrastructure.
Explore serviceWhatsApp Messaging
Explore available WhatsApp messaging features.
Explore serviceVoice OTP
Voice call based OTP delivery.
Explore serviceReseller Services
Ask about current partner and reseller options.
Explore service Developer Ready
Connect your website & app
Use API-based messaging for OTP verification, transactional alerts and application notifications.
Simple API integration
Designed for common web and app development workflows.
OTP verification flow
Send verification messages from your application backend.
Delivery visibility
Use available reports and dashboard tools to track messaging activity.
Illustrative flow (not a live endpoint)
// Example flow only $mobile = 'CUSTOMER_MOBILE'; $otp = generateOtp(); // Call your configured server-side API // using the official endpoint and API key. // Never expose API keys in browser JavaScript. if (otpRequestSucceeded) { echo 'Request accepted'; }
Message Flow
Your business → messages across India
A visual representation of how communication requests can move from your application to users.
OTP request
Delivered
Transaction SMS
API request
Compliance
DLT & managed routes
Clear information about DLT-regulated traffic and available managed OTP/verification routes.
Built around applicable requirements
DLT & OTP Services: DLT requirements depend on message type, delivery route, telecom operator requirements and applicable regulations.
Managed OTP: NinzaSMS may provide managed OTP/verification routes where the customer's own DLT registration is not required, subject to route availability, operator requirements and applicable regulations.
No Universal Exemption: We do not claim universal DLT exemption. Routes are offered according to actual service configuration and applicable regulations.
DLT-regulated SMS handled according to applicable requirements.
Managed routes subject to availability and operator requirements.
Route information should be confirmed for your use case.
Compliance information is presented without universal exemption claims.
Transparent Pricing
OTP & SMS pricing in India
Volume-based pricing. Final rates depend on selected plan and route.
OTP System
Managed / DLT routes available
₹100 (Starter)
₹0.30/OTP
₹5,000 (Basic)
₹0.25/OTP
₹15,000 (Growth)
₹0.20/OTP
₹50,000 (Enterprise)
₹0.15/OTP
SMS
DLT & managed routes
₹100 (Starter)
₹0.30/SMS
₹5,000 (Basic)
₹0.25/SMS
₹10,000 (Standard)
₹0.22/SMS
₹15,000 (Growth)
₹0.20/SMS
₹20,000 (Business)
₹0.18/SMS
₹25,000 (Enterprise)
₹0.14/SMS
Compliance guidance
Need help understanding DLT requirements?
Requirements vary by message category, telecom operator and use case. Contact support to confirm the appropriate route, registration steps and current charges before purchasing a service.
Common use cases
Messaging for everyday workflows
Use messaging features where they fit your product and customer journey.
Login verificationOTP flows for supported routes
Account sign-upMobile number confirmation
Transactional alertsService and status notifications
Application integrationConnect using available APIs
Customer updatesSubject to consent and applicable rules
Messaging reportsUse reports available in your account
Help Center
Frequently asked questions
NinzaSMS provides messaging tools for businesses, including OTP/SMS features and APIs described on this website. Availability depends on the service, account configuration and applicable telecom requirements. Operated by DRISHTI ELECTRONIC.
DLT requirements depend on traffic type, route and applicable telecom regulations. Confirm the requirements for your use case with support.
People searching for bulk SMS without DLT should first confirm the requirements for their message category, route and telecom operator. NinzaSMS does not promise a blanket exemption from DLT or other telecom rules.
OTP and transactional SMS are used for verification and service messages. Promotional SMS is used for marketing. Both are subject to applicable telecom regulations.
GST is charged as per applicable Indian tax laws. Please refer to your invoice for details.
Email: team@ninzasms.in.net | Phone/WhatsApp: +91 8791572789 | 24/7 support available.
Join our WhatsApp Channel
Get updates about SMS, OTP, DLT registration, WhatsApp API and offers directly on WhatsApp.
Join ChannelReady to build?
Start sending with NinzaSMS
Create your account and explore SMS, OTP and API services.