Bulk Text SMS
Reach millions of customers in seconds with India's most reliable bulk SMS gateway.
- Promotional SMS
- Transactional SMS
- Unicode SMS
- Personalized SMS
- Bulk Campaigns
Reach your customers instantly using SMS, WhatsApp, RCS Messages, Voice Calls and OTP APIs.
SMS, WhatsApp, RCS, Voice and OTP — unified under a single dashboard and a single API key.
Reach millions of customers in seconds with India's most reliable bulk SMS gateway.
Official WhatsApp Business API with rich media, templates and two-way conversations.
Next generation branded messaging with verified sender and interactive experiences.
Automated voice broadcasting, IVR flows and voice OTP at national scale.
Sub-second OTP delivery on dedicated high-priority transactional routes.
Purpose-built messaging workflows, templates and APIs for education businesses.
Purpose-built messaging workflows, templates and APIs for healthcare businesses.
Purpose-built messaging workflows, templates and APIs for real estate businesses.
Purpose-built messaging workflows, templates and APIs for automobile businesses.
Purpose-built messaging workflows, templates and APIs for retail businesses.
Purpose-built messaging workflows, templates and APIs for banking businesses.
Purpose-built messaging workflows, templates and APIs for finance businesses.
Purpose-built messaging workflows, templates and APIs for insurance businesses.
A clean, documented REST API with JSON responses, webhooks for delivery events and SDK-ready samples for every popular stack. Sandbox keys are available the moment you register.
curl -X POST https://api.vidyasms.com/v1/sms \
-H "Authorization: Bearer $VIDYA_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"sender": "VIDYAS",
"to": ["919036354451"],
"template_id": "1207160000000000",
"message": "Your VidyaSMS OTP is 480912"
}'
HTTP/1.1 200 OK
{ "status": "queued", "message_id": "vs_9f3ab21", "credits": 1 }From sign-up to your first campaign report — usually the same working day.
Create your free VidyaSMS account in under a minute.
Complete KYC and DLT verification for your business.
Pick SMS, WhatsApp, RCS, Voice or OTP APIs.
Import contacts via Excel, CSV or API.
Schedule or blast your campaign instantly.
Monitor delivery, clicks and conversions live.
Perfect for small businesses starting out
Most popular for growing teams
For high-volume, mission-critical messaging
How Indian brands are still getting 98% open rates with disciplined bulk SMS strategy, segmentation and timing.
Coming soonTemplate structure, approval tips and conversation flows that turn broadcasts into revenue.
Coming soonRate limiting, expiry windows, retry logic and route redundancy for bulletproof authentication.
Coming soonTalk to our messaging experts and get a free trial on your business account today.