Automating Event Management with APIs & Webhooks

· By Who's In Team
Automating Event Management with APIs & Webhooks

What automation unlocks for organisers: webhook fundamentals, CRM sync, attendance tracking pipelines, and Who's In's REST API in practice.

In this post

Webhook fundamentals, CRM sync, attendance tracking pipelines, and the REST API for event automation.

Host your event on Who's In

Who's In Events is free forever — unlimited events, RSVPs, waitlists, recurring events, QR check-in, automated reminders, and Stripe payments at a flat 2.7% on paid tickets (no per-ticket fee, no monthly fee). No signup required for your guests.

See the Events product page or compare against Eventbrite, Luma, Partiful, and Meetup.

Related reading on Who's In

Start with Who's In in 90 seconds

Create your first event, club, studio, or conference for free at whos-in.app/signup — no app download, no credit card required. Share a link and your guests RSVP in one tap.

About the Author

Who's In Team

The Who's In team has shipped event-management software since 2026, drawing on 12+ years of product experience at Apple and across the events industry. The team focuses on free, fast, and accessible tools for community organisers, fitness studios, conference hosts, and clubs worldwide — used by tens of thousands of attendees across 60+ cities.

Frequently Asked Questions

What does "Automating Event Management with APIs & Webhooks" cover?

What automation unlocks for organisers: webhook fundamentals, CRM sync, attendance tracking pipelines, and Who's In's REST API in practice.

Who is Who's In designed for?

Who's In is built for community organisers, fitness instructors, yoga teachers, running clubs, book groups, and anyone who runs regular events. It handles RSVPs, waitlists, recurring events, memberships use Clubs ($8.25/mo) or Studio ($15.83/mo) products.

How do I get started with Who's In

Sign up for free at whos-in.app, create your first event in under 2 minutes, and share the link via WhatsApp, email, or social media. No app download required for your guests — they RSVP via the mobile-optimised web link.