What's inside
No juggling between providers for SMS, WhatsApp and OTPs. One dashboard, one API, one bill.
Push offers and campaigns to thousands of customers instantly, starting at 8 paisa/SMS.
OTPs, alerts and order updates delivered instantly, 24×7 — even to DND numbers.
Send rich media, buttons and carousels on WhatsApp from the same panel as your SMS.
We handle entity, header and template registration so you stay fully TRAI compliant.
HTTP, XML & SMPP APIs that plug into your existing software in minutes.
Track delivery status, click-through and campaign performance live on your dashboard.
Send next-gen rich messages with images, buttons and verified branding built right in.
Real people answering calls and WhatsApp messages — not just a ticket queue.
Built for every business
From signup to sent
This is the exact path every new customer takes — start to first delivered message.
Create your account and get instant access to the dashboard — no setup fee.
Our team registers your entity, sender ID and templates with TRAI for you.
Import your contact list, write your message, and launch your first campaign.
Watch delivery reports live and scale up your next campaign with confidence.
Simple, transparent pricing
More than 35,000 happy customers across India trust us for their messaging needs.
Before you ask
Can't find what you're looking for? Reach out and our team will walk you through it.
Yes, TRAI has made DLT registration mandatory for all businesses sending commercial SMS in India. Our priority support team handles entity, header and template registration for you.
Transactional and OTP SMS can be sent to both DND and non-DND numbers as long as the message is genuinely transactional. Promotional SMS follows TRAI's standard sending-time restrictions.
Transactional and OTP messages are typically delivered within seconds thanks to our direct operator connectivity with Airtel, Jio, Vodafone and BSNL.
Yes — we provide HTTP, XML and SMPP APIs that integrate into your existing website, CRM or app within minutes, with full documentation and sandbox testing.
Yes, you can run SMS and WhatsApp campaigns side-by-side from the same dashboard, with one combined view of delivery and engagement.
We accept UPI, net banking, debit/credit cards and direct bank transfer. Enterprise customers can also opt for monthly invoicing.
Yes, new sign-ups get free test credits to try out the panel and confirm delivery before making a purchase.
Credits remain valid for 12 months from the date of purchase, giving you plenty of time to use them across campaigns.
See Sasta SMS running with your own contact list and message — free test credits, no commitment.
Get in touch
Tell us a little about your business and our team will set you up within the hour.
Patna, Bihar, India 800001
Mon – Sat, 9:00 AM – 7:00 PM IST | Support: 24×7