Are there OTP for messaging apps such as WhatsApp and Telegram for authentication purposes?

Are there OTP for messaging apps such as WhatsApp and Telegram for authentication purposes?

Yes, messaging apps like WhatsApp and Telegram can be used for OTP (One-Time Password) authentication, though their implementation and capabilities differ significantly. Below is a detailed breakdown:


1. WhatsApp OTP for Authentication

WhatsApp is widely adopted for OTP delivery due to its end-to-end encryption, global reach, and user-friendly interface. Here’s how it works:

  • Security: WhatsApp OTPs are encrypted, making them more secure than traditional SMS or email OTPs, which are vulnerable to phishing or interception .
  • Delivery: Businesses use the WhatsApp Business API to send OTPs via pre-approved message templates. Users receive the code directly in their WhatsApp app, often with auto-fill functionality .
  • Use Cases:
    • Account registration and login verification .
    • Password resets and transaction confirmations .
    • Appointment confirmations and secure document access .
  • Advantages:
    • Higher engagement and read rates compared to SMS .
    • Cost-effective for businesses, especially in regions with high SMS costs …