Fill your next cancellation in 2 minutes
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1
Get your first clients on the waitlist
Share your link — most businesses start with 5–10 existing clients
2
Add your first cancellation slot
Enter the date, time and service — takes 60 seconds
3
Send your first broadcast
One tap notifies your entire waitlist instantly via SMS
Recovered This Month
$4,850
↑ 23% vs last month
Revenue at Risk
$6,240
↑ 8% from last month
Active Waitlist
23
↑ 5 added this week
SMS Usage
0 / 1,000
Recovery Queue
Open slots needing action now
Revenue at Risk
Flagged for likely cancellation
Olivia Chen
Premium Treatment · Thu 11am
$980
Cancelled last 2 appointments within 48 hrs
82% risk
Marcus Webb
Standard Service · Fri 2pm
$650
No response to 2 confirmation texts
65% risk
Priya Nair
Add-on Service · Fri 4pm
$540
Rescheduled 3x in the last 60 days
58% risk
Recent Activity
Top Recovery Clients
Recovery Queue
Open slots matched to your best-fit waitlist clients
Waitlist
0 clients ready to fill open slots
Share Your Waitlist Link
Share this link with clients so they can join your waitlist directly.
| Client | Service | Score ↓ | Lifetime Spend | Days Waiting | Status | Actions |
|---|
🎁 Invite Colleagues — Earn 1 Free Month
For every business colleague who signs up and upgrades, you get a free month of SlotFill.
Clients
Everyone who has ever been on your waitlist
Total Clients
—
SMS Opted In
—
Slots Booked via SlotFill
—
Revenue from Clients
—
Analytics
Track recovery performance and cancellation patterns
Total Recovered
$4,850
↑ 23% vs last period
Slots Filled
17
↑ 4 vs last period
Response Rate
68%
↑ 5pts vs last period
Conversion Rate
42%
↑ 3pts vs last period
Daily Revenue Recovered — Last 30 Days
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Cancellations by Service
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Top Clients by Revenue
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Cancellation Heatmap
When appointments cancel most — darker = more cancellations
Mon
Tue
Wed
Thu
Fri
Sat
Sun
9am
Mon 9am · 1 cancel
Tue 9am · 2 cancels
Wed 9am · 1 cancel
Thu 9am · 3 cancels
Fri 9am · 2 cancels
Sat 9am · 4 cancels
Sun 9am · 0 cancels
11am
Mon 11am · 2 cancels
Tue 11am · 3 cancels
Wed 11am · 4 cancels
Thu 11am · 5 cancels
Fri 11am · 3 cancels
Sat 11am · 6 cancels
Sun 11am · 1 cancel
1pm
Mon 1pm · 3 cancels
Tue 1pm · 4 cancels
Wed 1pm · 3 cancels
Thu 1pm · 4 cancels
Fri 1pm · 5 cancels
Sat 1pm · 5 cancels
Sun 1pm · 1 cancel
3pm
Mon 3pm · 5 cancels
Tue 3pm · 6 cancels
Wed 3pm · 4 cancels
Thu 3pm · 7 cancels
Fri 3pm · 6 cancels
Sat 3pm · 4 cancels
Sun 3pm · 2 cancels
5pm
Mon 5pm · 4 cancels
Tue 5pm · 5 cancels
Wed 5pm · 5 cancels
Thu 5pm · 4 cancels
Fri 5pm · 7 cancels
Sat 5pm · 3 cancels
Sun 5pm · 1 cancel
7pm
Mon 7pm · 2 cancels
Tue 7pm · 2 cancels
Wed 7pm · 3 cancels
Thu 7pm · 2 cancels
Fri 7pm · 3 cancels
Sat 7pm · 2 cancels
Sun 7pm · 0 cancels
Less
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Admin
All businesses on SlotFill
Total Businesses
—
Paying Customers
—
On Trial
—
Total Revenue Recovered
—
Total Slots Filled
—
Total SMS Sent
—
Ops
Run SlotFill from one place
Daily Briefing
MRR
—
Active Clients
—
Paying
—
On Trial
—
New This Week
—
Slots Filled (7d)
—
Client Pipeline
0 Total
0 New
0 Contacted
0 Demo Scheduled
0 Converted
Lead Outreach
Billing
Manage your subscription and SMS usage
30 days left in your trial
Upgrade to keep using SlotFill after your trial ends.
Current Plan
Trial
SMS Usage
0 / 50 used
50 SMS remaining
Need More SMS?
$10 for 150 credits · credits stack and never expire
Credits stack — buy as many packs as you need
Available immediately after purchase
Roll over — credits never expire
Upgrade Your Plan
SlotFill
$299/mo
Up to 3 locations
2,000 waitlist contacts
500 SMS/mo included
Top up 150 SMS for $10 anytime
Advanced analytics + revenue tracking
Priority support
Settings
Manage your account and preferences
Profile
Your account information
Practice Defaults
Pre-filled when you create a new slot
minutes
minutes (15 min – 24 hrs)
Notifications
SMS on Cancellation
Text you when SlotFill detects a cancellation
Auto-notify Top Match
Automatically send SMS to the best waitlist match when a slot opens
Push Notifications
Get instant browser alerts when clients claim your slots
Weekly Digest Email
Receive a weekly summary of recovered slots and revenue
Google Calendar Integration
Not Connected
When a cancelled slot is recovered and payment is confirmed, SlotFill automatically adds a calendar event so your schedule stays up to date.
Branding
PRO
PNG or SVG, max 200KB
#0d9488
Used for buttons & accents
Button
Badge
Account
Read-only
Email
—
Waitlist URL Slug
—
Account Created
—
Current Tier
Trial
Webhook Integration
Connect any booking platform via Zapier or direct API
Use this to connect platforms not natively supported (Booksy, Fresha, Square, GlossGenius, etc.) via Zapier or a direct HTTP POST. When an appointment is cancelled, your platform sends the event here and SlotFill handles the rest automatically.
Keep this secret. Include it as api_key in your Zapier payload or as an Authorization: Bearer header.
Zapier field mapping guide
{
"api_key": "sf_live_...",
"event_type": "cancellation",
"appointment": {
"external_id": "{{appointment_id}}",
"service_name": "{{service_name}}",
"provider_name": "{{staff_name}}",
"start_time": "{{start_time_iso}}",
"end_time": "{{end_time_iso}}",
"price": {{price}},
"client": {
"external_id": "{{client_id}}",
"name": "{{client_name}}",
"phone": "{{client_phone}}"
}
}
}
Danger Zone
Permanently delete your account and all associated data. This action cannot be undone.