API Integration – REST APIs for SMS, WhatsApp, Voice & Email | VoiceGram India
Developer‑Friendly REST APIs

Integrate SMS, WhatsApp, Voice & Email with Powerful APIs

Seamless REST APIs, webhooks, SDKs, and detailed documentation. Launch communication features in hours, not weeks. Trusted by 5,000+ developers and businesses.

99.9%
Uptime SLA
<50ms
Avg Response
10K+
API Calls/sec
curl -X POST https://api.voicegram.in/v1/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{"to":"919876543210","message":"Hello from API"}'
// Response: {"id":"msg_123","status":"queued"}
Webhooks
Real-time delivery
SDKs
Python, Node, PHP, Java
Trusted by 5,000+ developers & businesses →
⚡ API Features

Everything You Need to Integrate & Scale

Modern REST APIs with comprehensive tooling for every use case – from transactional alerts to marketing campaigns.

📱
Multi‑Channel APIs
Single API for SMS, WhatsApp, Voice, and Email. Unified authentication and response format.
🔌
REST & Webhooks
HTTP endpoints with JSON payloads. Real‑time delivery status, inbound messages via webhooks.
📚
Full Documentation
Interactive API reference, code examples in 6+ languages, Postman collections.
🛠️
SDKs & Libraries
Official SDKs for Node.js, Python, PHP, Java, Ruby, and Go. Open‑source on GitHub.
🔒
Enterprise Security
API key authentication, IP whitelisting, rate limiting, and TLS 1.2+ encryption.
📊
Analytics & Logs
Detailed request logs, delivery reports, and analytics dashboard for troubleshooting.
📊 API Performance

Built for Scale & Reliability

0
Uptime SLA
0
API Calls/Month
0
Avg Latency
0
Active Integrations
💰 API Pricing

Pay‑As‑You‑Go API Access

No monthly minimum. Only pay for what you use. Volume discounts available.

Pay As You Go
₹0.15/SMS
  • ✅ SMS API access
  • ✅ 100 requests/sec default
  • ✅ Email & chat support
  • ✅ Basic analytics
Get API Keys
Enterprise API
Custom
  • ✅ Unlimited requests
  • ✅ Dedicated infrastructure
  • ✅ SLA 99.99%
  • ✅ Account manager
Contact Sales
❓ API FAQ

Frequently Asked Questions

❓ How do I get API credentials?
Sign up on VoiceGram, verify your business, and generate API keys from the dashboard. Instant access for test mode.
❓ What endpoints are available?
We provide separate endpoints for SMS, WhatsApp, Voice, Email, plus status webhooks. Full documentation is available after login.
❓ Do you support DLT compliance via API?
Yes, we validate headers and templates against DLT registers before sending. Use our API to check template status.
❓ Can I test without paying?
Yes, we offer a sandbox environment with free credits to test all API endpoints.
❓ What about rate limits?
Default rate limit is 100 requests/second for Pay As You Go. Pro and Enterprise plans have higher limits.

Ready to integrate?

Get started with our API in minutes. Access documentation, SDKs, and sandbox environment.