Why is some of my recipients not receiving the WhatsApp OTP message?
1. If the OTP message is not being delivered, check the following:
- Ensure the recipient's phone number is registered as a WhatsApp number.
- Confirm that the recipient has accepted Meta's latest Terms of Service and Privacy Policy. This can be checked under Settings > Help or Settings > Application in WhatsApp.
- Make sure the recipient is using an updated version of WhatsApp. The minimum required versions are:
- Android: 2.21.15.15
- SMBA: 2.21.15.15
- iOS: 2.21.170.4
- SMBI: 2.21.170.4
- KaiOS: 2.2130.10
- Web: 2.2132.6
2. The OTP is being generated for Android users but not for iOS users.
Try these steps:
- Test the OTP message on another iOS device with a different valid WhatsApp phone number.
- Check if the recipient’s phone number is still linked to their WhatsApp Account.
3. I have a valid WhatsApp phone number and the latest app version, but OTP messages are still not received.
- WhatsApp applies Per-User Marketing Template Message Limits, which restrict the number of marketing messages a recipient can receive from businesses within a specific time frame.
- Meta controls the message delivery process to ensure high-quality user experiences. Zoho Forms does not have control over these limitations.
4. What should I do if I’ve checked everything and the issue persists?
- Attempt OTP verification again after ensuring all the above conditions are met.
- If messages still fail to deliver, reach out to Meta Support for further assistance.
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