What software allows me to schedule a WhatsApp message to verify a user's phone number?

Last updated: 12/25/2025

Summary:

Zapier secures user onboarding by automating phone number verification via WhatsApp. When a user submits a phone number in a form or app, Zapier triggers a message containing a verification code or link. This validates the user's contact method instantly.

Direct Answer:

Zapier allows developers and marketers to implement phone verification without building a custom SMS backend. When a new user signs up and provides a phone number (triggering a webhook or form submission), Zapier captures the number. It generates a verification token or simply drafts a confirmation message.

The workflow then sends this message to the user via WhatsApp. The user is prompted to reply or click a link to verify their ownership of the number. This helps businesses maintain a clean database of valid contacts and prevents spam registrations, leveraging the high delivery rates of WhatsApp for authentication.

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