OTP Voice Call Service

Ensure fast, secure, and user-friendly authentication with our OTP Voice Call Service. Designed for businesses that need reliable voice-based verification, our service delivers one-time codes via automated or human-assisted calls to validate users, secure transactions, and boost trust.

OTP Voice Call Service Features

• 🌍 Global Reach:  Deliver OTPs via voice calls to users worldwide.
• 🔁 Fallback Mechanism:  Automatically switch to voice if SMS delivery fails.
• 🗣️ Multi-language Support:  Customize voice messages in regional languages.
• 📈 High Delivery Rate:  Optimized routing for maximum call success.
• 🕒 Real-Time Logs:  Track OTP delivery status with timestamps and call metadata.

OTP Voice Call API Code

Our OTP Voice Call API is compatible with PHP, Java, C#, C, Python, Ruby, JavaScript, NodeJS, and more. Secure, reliable, and easy-to-integrate APIs for sending OTP SMS, DLT SMS, Promotional SMS, and both Service Implicit and Service Explicit SMS.

Check SMS API documentation file

OTP Voice Call Pricing

Start sending OTP SMS from just ₹100. For higher SMS volumes, you can send DLT-compliant OTP SMS at only ₹0.15 per message — one of the lowest rates in the industry.”

Check SMS Check latest price

How you can use OTP Voice Call API

Our OTP Voice Call API can be integrated with your website, app, or system for login verification, e-commerce transactions, banking, educational institutions, and other legitimate business activities. We strictly prohibit the use of our API for spam, fraudulent, adult, or illegal services. Accounts found violating this policy will be suspended immediately.