High-Speed Bulk SMS &
Transactional OTP Gateway
Deliver high-priority OTPs, shipping alerts, and bulk promotional SMS broadcasts globally with DLT template checks, carrier failover, and delivery receipt webhooks.
{
"to": "+919876543210",
"sender_id": "VX-VEXTRO",
"template_id": "DLT-1007849202",
"type": "otp_priority",
"variables": { "code": "849201" }
}Your Vextro login verification OTP code is 849201. Valid for 10 mins.
Explore High-Performance SMS Solutions
Click through real-world SMS routes designed for authentication, order notifications, and bulk DLT promotional campaigns.
Instant Transactional & Auth OTP Delivery
Header ID: VX-VEXTRO (DLT Approved)
Your Vextro login verification OTP code is 849201. Valid for 10 minutes. Do not share this code with anyone.
Built for Speed, Scale, and Regulatory Compliance
Enterprise SMS gateway infrastructure engineered for mission-critical messaging.
Priority OTP Routes
Authentication OTP codes go out on dedicated high-priority routes, kept separate from promotional traffic.
DLT & Regulatory Compliance
Built-in DLT Entity ID and Template ID management that checks Indian SMS broadcasts before they are sent.
Smart Carrier Failover
Automated routing moves traffic to another operator if the primary telecom operator has delays.
Global Telco Reach (190+)
Direct connections to Tier-1 mobile network operators across 190+ countries with local sender ID support.
Dynamic Merge Variables
Personalize bulk SMS campaigns with customer names, order numbers, custom discount links, and tracking codes.
Real-Time DLR Callbacks
Instant HTTP Webhook callbacks with precise delivery timestamps and detailed error diagnostic codes.
Vextro Enterprise SMS vs Legacy Aggregators
See why high-growth companies switch to Vextro for reliable SMS delivery.
| Feature / Metric | Vextro SMS Gateway | Legacy Aggregators | Shared Telco Routes |
|---|---|---|---|
| OTP Routing | Dedicated Priority Route | Shared Routes, Variable Delays | Unpredictable Delays |
| Smart Failover Routing | Automated Operator Reroute | Manual Route Switching | No Carrier Failover |
| DLT Template Auto-Check | Built-in Pre-Validation | Manual Rejections | High Rejection Rates |
| Real-Time DLR Callbacks | HTTP Webhook per Message | Delayed Batch DLR | No Webhook DLR |
Frequently Asked Questions
Everything you need to know about Vextro and billing.
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