OTP & Verification
Secure authentication for banking, e-commerce, and apps with instant OTP delivery.
- Instant OTP delivery
- Fraud protection
🚀 5-Second Delivery Guarantee • 99.9% Success Rate
TextGuru powers OTPs, Transactional and Promotional Bulk SMS with Enterprise-Grade Messaging, reliability, and 24×7 dedicated support.
Trusted by 57,000+ businesses across India







Start with SMS. Add WhatsApp, voice and AI when you are ready — one account, one support team.
Promotional and transactional routes with your own sender ID and DLT templates — sent from the panel, Excel or API.
A dedicated priority route for logins, sign-ups and payments, so customers don’t drop off at checkout.
Sample delivery log
Time-based one-time passwords that expire in seconds — ideal for banking, fintech and admin logins where security matters most.
Sample — a new code every 30 seconds
Send order updates, reminders and offers with buttons — and reply to customers from one inbox.
When a message needs a voice — recorded campaigns, IVR menus and missed-call lead capture.
A virtual receptionist that never sleeps — answers common questions, books appointments and passes hot leads to your team.
From marketing blasts to critical OTPs, get enterprise reliability with our speed guarantee.
Secure authentication for banking, e-commerce, and apps with instant OTP delivery.
Priority alerts, updates, and notifications with premium routes.
Boost your sales with targeted bulk promotional messages.
Deliver SMS campaigns based on customer’s live location for hyperlocal targeting.
AI receptionist to answer calls, take bookings, and transfer inquiries seamlessly.
Enable website/app visitors to connect with your team instantly via phone.
Automated outbound & inbound voice calling for reminders, promotions, and surveys.
AI-powered voice agents to handle customer queries, feedback, and bookings 24/7.
Conversational AI agents for lead generation, sales assistance, and support across channels.
Engage customers on WhatsApp with AI-powered chat, notifications, and commerce flows.
Next-gen rich messaging with images, carousels, buttons, and verified sender.
Design, send, and track bulk email campaigns with personalization and analytics.
Join 57,000+ businesses. Start with 50 free SMS credits and our 5s guarantee.
Ready DLT-friendly message formats for the businesses we serve every day.
A simple REST API to send SMS and OTPs from your website, app, CRM or billing software — with delivery reports and webhooks.
// Send an OTP with PHP (sample — get your endpoint & key in the panel) $data = array( 'apikey' => 'YOUR_API_KEY', 'sender' => 'TXTGRU', 'to' => '91XXXXXXXXXX', 'template_id' => '1107XXXXXXXXXXXX', 'message' => '482913 is your OTP. -TXTGRU', ); $ch = curl_init('YOUR_API_ENDPOINT'); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $data); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); echo curl_exec($ch);
# Send an SMS with Python (sample) import requests r = requests.post("YOUR_API_ENDPOINT", data={ "apikey": "YOUR_API_KEY", "sender": "TXTGRU", "to": "91XXXXXXXXXX", "template_id": "1107XXXXXXXXXXXX", "message": "Your order #A1029 is shipped. -TXTGRU", }) print(r.text)
# Send an SMS with cURL (sample) curl -X POST "YOUR_API_ENDPOINT" \ -d "apikey=YOUR_API_KEY" -d "sender=TXTGRU" \ -d "to=91XXXXXXXXXX" -d "template_id=1107XXXXXXXXXXXX" \ --data-urlencode "message=Festive Sale! 30% off. -TXTGRU"
Most businesses send their first message on the same day.
Sign up, complete basic KYC (PAN and business proof) and get 50 free test SMS.
Our team registers your entity, sender ID and templates on DLT with you — at no cost. Learn more
Upload Excel, schedule campaigns or connect the API. Watch delivery reports in real time.
Slide to your monthly volume — we will suggest the right plan. No setup fee, no monthly fee.
👉 Recommended: Growth · get your price →
Best price as per route & volume
Best price as per route & volume
Best price as per route & volume
See how businesses across India ship OTPs, alerts, and campaigns at lightning speed with TextGuru.
JS
“Lightning delivery, excellent support, and rock-solid reliability. Highly recommended for both voice and SMS.”
JS
Business • OTP & Promo • Ludhiana
“Lightning delivery, excellent support, and rock-solid reliability. Highly recommended for both voice and SMS.”
OTP and transactional SMS go on priority routes with direct operator connections and usually reach the phone within a few seconds. Promotional campaigns are delivered within minutes depending on size.
Yes. TextGuru helps you register your entity, sender ID (header) and templates on DLT free of cost. Keep your PAN and a business proof (GST, Udyam or incorporation certificate) ready.
Yes. Send Unicode SMS in English and 21 regional Indian languages, including Hindi, Punjabi, Marathi, Tamil and Bengali.
Yes. Register a 6-letter header (like TXTGRU) on DLT and it appears as the sender on your customers’ phones.
Yes. Our REST API comes with samples for PHP, Java, Python and .NET, plus delivery reports and webhooks. Ready integrations exist for Hitech Billing Software, Royal POS and Pabbly Connect.
More than 60% of consumers want brands to text them more often. Here is why SMS belongs in your toolkit.
Reach the right audience and see outcomes within minutes — perfect for time-sensitive updates and flash offers.
Exceptional visibility drives clicks and conversions — far more replies than email.
Scale to any budget. Target a city, region or niche segment and pay only for what you use.
Use names, events and smart links to make every message feel 1:1 — and lift your click-through rate.
Track deliveries, clicks and revenue to improve every campaign with confidence.
Remind before webinars, nudge cart abandoners with a deal and promote new arrivals.
Basic KYC (PAN + company registration) and you are ready. Our team helps end-to-end — with free DLT registration and a 14-day money-back guarantee.
Go live in minutes. See results in hours.
Figures are commonly cited industry averages; your results depend on audience and message.
Tell us what you want to send. Our team replies within 2 working hours — or call us right now.