Add validated waitlist signups to SMS group roster

Your waitlist signups often lack validated phone numbers, causing missed SMS outreach for class openings. It adds valid numbers to your SMS group so coordinators can message students same day.

Workflow preview:

Zap details:

Overview

When waitlist signups arrive with malformed or missing numbers, outreach stalls and open seats can go unfilled. This flow validates phone numbers and adds only deliverable contacts to your SMS roster, so coordinators can send same-day messages and reduce no-shows.