API & Integration

Connect, Automate & Scale Globally

Enterprise messaging, number provisioning, programmable voice, and advanced APIs.
Developer-friendly. International-ready.
REST API · Send SMS
# POST /sms/send
Host: api.voizag.com
Content-Type: application/json
Authorization: Bearer <YOUR_API_KEY>

{
  "to": "+12025550100",
  "message": "Welcome to Voizag!",
  "sender_id": "VOIZAG"
}
How it works
Send SMS instantly via our secure REST API
  • Send worldwide to +E.164 numbers (ex: +12025550100, +447911123456, +4915123456789).
  • Custom sender IDs, delivery tracking, and webhooks for instant status updates.
  • High-throughput, low-latency; data encrypted in-transit and at-rest.
  • 24/7 support and global delivery compliance built-in.
Get API Key
cURL Example
# Send global SMS
curl -X POST https://api.voizag.com/sms/send \
-H "Authorization: Bearer <YOUR_API_KEY>" \
-H "Content-Type: application/json" \
-d '{"to":"+447911123456","message":"Test SMS","sender_id":"VOIZAG"}'
cURL Request
Send a test SMS to any international number
Use cURL for quick testing in your terminal. Supports custom sender, multi-country routing, and 2-way responses where available.
View Full API Docs
SMPP Config
# Enterprise/high-throughput SMS
Host: smpp.voizag.com:2775
System ID: your_user
Password: your_pass
TON/NPI: 1/1
Encoding: GSM7 / UCS2
SMPP & Voice API
Direct Carrier-Grade Integration
Integrate with Voizag using SMPP for large-scale, low-latency international messaging.
Voice API: Send programmable calls, IVR, and notifications. Use /voice/call for instant automation.
Request SMPP/Voice Access
Connectivity Solutions
  • ⚡ RESTful API: SMS, voice, WhatsApp, email, and more.
  • 🔗 SMPP & SIP: Direct, carrier-grade telecom integration for global scale.
  • 🌎 Numbers: International long code, short code, instant rental, 2-way.
  • 🛡️ Regulatory: Full compliance—GDPR, ISO, 10DLC, DLT, opt-out support.
  • 🔒 Security: Data encrypted in-transit & at-rest. SOC2, ISO certified.
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Voizag API Dashboard