Reliable SMS Gateway for enterprise messaging
Send OTPs, alerts, and transactional messages at scale with carrier-grade reliability and real-time delivery tracking worldwide.
Instant OTP delivery
Deliver one-time passwords in milliseconds with intelligent routing and fallback for maximum reliability.
Transactional alerts
Send order confirmations, payment alerts, and account notifications through our high-throughput SMS API.
Global reach
Connect worldwide through direct carrier connections and intelligent routing for the best delivery rates.
Carrier-grade SMS, delivered fast
OTP, transactional, and promotional SMS with DLT-ready sender IDs and live delivery status.
- DLT-registered sender IDs (India)
- Sub-second OTP priority routing
- Transactional & promotional routes
Celetel: OTP for login is 847293. Valid 10 mins. Do not share with anyone. -CELTEL
Hi Raj, your order #CL8291 has shipped. Track: celetel.com/t/xyz Expected: 23-Jul. -CELTEL
Capabilities
Everything you need to run sms gateway in production.
Two-way SMS
Dedicated long codes and short codes for interactive campaigns.
Bulk SMS campaigns
Schedule millions of messages with delivery reports and analytics.
SMS API
RESTful API, SDKs, and docs so you can integrate in minutes.
DLT compliance
TRAI DLT-ready sender IDs, templates, and consent management.
Delivery analytics
Track status, latency, and engagement in real time.
Proven performance
Metrics that matter when you message at scale.
92.9%
Delivery rate
5–15%
Avg conversion
1B+
SMS monthly
~2s
Avg delivery
Built for production
High throughput API
Send thousands of messages per second with auto-scaling for peak loads.
Enterprise security
Encryption, IP whitelisting, and role-based access for your messaging stack.
Real-time analytics
Live dashboards and exportable reports for delivery, latency, and campaigns.
Built for every industry
Results that matter
How teams use SMS Gateway to deliver measurable outcomes.
Celetel
Scaling SMS delivery to 120M+ messages per month for a fintech leader
Achieving 99% delivery rates and sub-second latency for OTP and transactional SMS across 100+ countries.