Send transactional, OTP and promotional SMS at scale through icpaas.ai's TRAI/DLT-registered, carrier-grade gateway API.
The icpaas.ai SMS Gateway API gives your applications a single, reliable endpoint to deliver transactional alerts, one-time passwords and promotional campaigns across India. With direct operator connectivity, DLT-registered headers and template-aware routing, every message moves through compliant, high-delivery paths so your customers receive timely, trustworthy communication without the overhead of managing carrier relationships yourself.
Built for developers and enterprises since 2015, our gateway pairs a clean REST API with SMPP v3.4 binds and official SDKs for Node.js, Python, Java, PHP and Go. OTP messages typically land in roughly two to five seconds, delivery webhooks confirm every status, and campaign analytics keep your team informed. icpaas.ai sustains 99.9% uptime while handling over ten million messages daily.
Send via a JSON REST API or bind over SMPP v3.4 for high-throughput, persistent enterprise connections.
Dedicated promotional, transactional and OTP routes ensure compliant, high-priority handling for every message type you send.
Registered entity, sender-ID headers and approved templates are validated automatically so your traffic stays within TRAI compliance.
Real-time DLR callbacks post delivered, failed and pending statuses straight to your application endpoints for instant reconciliation.
Send SMS in Hindi, Gujarati, Tamil and other regional scripts with full Unicode support for wider audience reach.
Track delivery rates, latency and route performance through detailed dashboards and downloadable reports for every campaign you run.
Draft message copy and DLT headers matching entity profiles.
Integrate transactional triggers inside website checkout steps.
Set up secondary gateway routes for guaranteed failover delivery.
Execute automated runs and analyze latency performance.
Join the businesses utilizing low-latency API verification and bulk messaging solutions on icpaas.ai. Talk to our team and go live this week.