Realistic walkthrough — handled right
Jordan and Alex tapped the same deal two seconds apart. Nobody noticed.
No double-booking. No double-charge. No awkward call to fix it.
Riverside Barber Co. · Thursday, 4:30 PM Hot Towel Shave · discounted 15%, posted publicly
Names, times, and dollar figures here are illustrative — the behavior shown is exactly how the system works.
Slots double-booked
0
Without Fillsy
Both show up. Or someone gets charged, then un-booked over an awkward phone call.
With Fillsy
Whoever's first wins, instantly. The second person just sees a friendly "already claimed" — no confusion, no double-charge.
3:14:02 PM
A slow 4:30 slot goes public at 15% off.
To Public deals page
3:14:37 PM
Jordan taps Claim this slot.Wins
3:14:39 PM
Alex taps the exact same link.Blocked
3:14:40 PM
Diego's calendar shows exactly one booking. Full stop.
Whoever taps first wins — instantly and automatically. No double-bookings, ever, no matter how close the timing gets.
This used to mean an awkward call. Now it's nothing.
See what this looks like with your own numbers.