OTP, transactional and business messaging
SMS API
Deliver OTPs, transactional alerts and promotional messages reliably across Indian and global networks with a single, predictable API.
REST APIDLT-ready templatesDelivery reportsSandboxRate limiting
sms.sh
curl -X POST https://api.inspiringtec.com/v1/sms/send \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"to": "+919999999999",
"message": "Your OTP is 483921",
"template_id": "otp_login"
}'Endpoint
Simple, predictable requests
Every SMS request goes through one authenticated endpoint, with consistent responses and webhooks for asynchronous events.
POST/v1/sms/send
Common use cases
- OTP and two-factor authentication
- Transactional alerts
- Fallback delivery when WhatsApp is unreachable
- Promotional campaigns
Why InspiringTec
One integration, consistent everywhere
The same authentication, webhook format, sandbox and monitoring tooling across every product on the platform — so adding a new API doesn't mean starting over.
One credential
The same API key works across every product you enable.
One wallet
SMS usage is billed from your shared Communication Wallet.
One dashboard
Monitor usage, logs and delivery from a single place.
Ready to integrate SMS?
Create an account, generate an API key, and send your first request in minutes.