06/17/2026
There is nothing more frustrating than having your user onboarding completely stalled because Meta rejected your WhatsApp OTP template.
Meta's guidelines for authentication templates are notoriously strict. Because OTPs deal with user security, even a tiny formatting mistake or a misplaced variable can trigger an automated rejection.
But the good news is these rejections are highly predictable.
In our latest blog, we break down the 5 most common reasons Meta rejects WhatsApp OTP templates and exactly how you can rewrite them for instant approval.