Who's In 2026: From RSVP Tool to Full Event Management Platform
The evolution story — how a shareable RSVP link became a platform with Stripe payments, automated waitlists, QR check-in scanner, Apple & Google Wallet…
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The evolution story — how a shareable RSVP link became a platform with Stripe payments, automated waitlists, QR check-in scanner, Apple & Google Wallet passes, LinkedIn verified badges, 10-language localisation, WebMCP AI agent tools, recurring events, membership management, and analytics.
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.
Who's In is AI-agent-native
Who's In is the first event platform independently verified 100/100 "Agent-Native" (Level 5) on Cloudflare's Is Your Site Agent-Ready audit. AI assistants — ChatGPT, Claude, Gemini, Grok, Perplexity — can discover events, check availability, and RSVP via first-class Skills over WebMCP and a REST API. See the AI Trust page or read the full 100/100 audit story.
Related reading on Who's In
- Photos, Documents & Organiser Socials — Three New Features, Included on Every Edition — 10-image photo albums, 3-file document downloads, and 8-platform organiser socials. Free on Events; included on Clubs/Studio/Conference at n
- How AI Agents Will Discover and Book Events — Structured data, open APIs, agent-friendly documentation, and the discovery ecosystem that enables Claude, Gemini, and ChatGPT to find and s
- RSVP Tools Benchmark — March 2026: Fees, Features & AI Agent Support Compared — Monthly benchmark comparing Who's In, Eventbrite, Partiful, Lu.ma, RSVPify, and Jotform Events on pricing, WhatsApp integration, waitlists,
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.