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Next-Gen Authentication At Lightning Speed.

Deliver OTPs and transactional messages instantly via WhatsApp & SMS. Unbeatable delivery rates starting at just 25p per message.

Get API Key Now View Documentation

Why choose SECUREOTP?

Built for scale, designed for developers.

WhatsApp & SMS

Multi-channel routing ensures your OTPs arrive instantly, every single time.

Starts at 25p

Industry-leading pricing. Pay only for what you use, starting at just 25 paisa per message.

Instant Activation

No waiting for approvals. Sign up, grab your API key, and start sending messages immediately.

Easy API

Integrate in minutes with our comprehensive, developer-friendly REST API.

Integrate in Minutes

Our RESTful API is designed to get out of your way. Send an OTP via WhatsApp or SMS using a single endpoint.

  • ✓
    REST API & Webhooks
  • ✓
    Detailed Delivery Reports
  • ✓
    SDKs for Node.js, Python, PHP
Get Your API Key
send-otp.sh
curl -X POST "https://api.secureotp.com/v1/messages" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+919876543210",
    "channel": "whatsapp",
    "message": "Your SECUREOTP verification code is 482910."
  }'
# Response
{
  "status": "success",
  "message_id": "msg_9x8c7v6b5n",
  "cost": 0.25
}

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