
ApproveThis manages your OneHash Cal Integration approvals.
April 17, 2025
Integration Category: Calendar
When Calendars Meet Approvals: No More "Who Signed Off on This?"
Let's be real - most approval processes suck. Someone books a client meeting during your CEO's vacation. A contractor reschedules a critical install without telling facilities. Your star sales rep requests PTO right before quarter-end. And everyone's favorite: "I thought YOU approved that!"
That's why pairing ApproveThis with OneHash Cal isn't just another "integration." It's your ticket to killing calendar-related screwups that cost time, money, and the occasional office chair thrown in frustration.
What Happens When Scheduling Grows Up
OneHash Cal handles the nuts and bolts of scheduling. ApproveThis handles the politics. Together through Zapier, they make sure every calendar change gets eyeballed by the right people before it becomes someone else's emergency.
For Companies That Aren't into Surprises
Mid-sized teams use OneHash Cal because spreadsheets and shared Google Calendars turn into free-for-alls after 100 employees. But here's the rub: calendars aren't just availability markers anymore. They're:
- Contractual obligations (client onboarding dates)
- Financial commitments (vendor installations)
- HR minefields (PTO during crunch times)
ApproveThis adds guardrails without the bureaucracy. No more paying for extra seats in your calendar tool just so legal can veto a meeting. No more all-hands emails asking "Who approved this conference room booking?"
Real Workflows for People Who Ship Things
This isn't about theoretical efficiency. These are exact scenarios we've seen in companies between 200-2,000 employees where calendar changes actually break things:
1. Client Services: No More "Sure, Book Whatever" Disasters
Picture a 300-person consulting firm. Junior associate books a client workshop in OneHash Cal. Zapier pings ApproveThis, which routes it to:
- Engagement lead (checks scope)
- Finance (verifies budget)
- Facilities (confirms room availability)
If any reject, the booking dies in OneHash Cal before the client gets a confirmation. No awkward un-booking. No eating costs for rooms you can't use.
2. Retail Operations: When "Cancelled" Doesn't Mean Cancelled
A 50-store chain uses OneHash Cal to manage maintenance visits. Vendor cancels a HVAC check? Zapier triggers ApproveThis to require:
- Regional manager approval (safety compliance)
- Procurement sign-off (contract penalties)
Bonus: ApproveThis' calculated fields auto-flag cancellations with financial penalties over $500, escalating straight to legal.
3. HR Teams That Actually Like Their Employees
Company-wide PTO in OneHash Cal is great...until 8 engineers take July off. Zapier + ApproveThis adds sanity checks:
- Auto-approve single days off
- Require director approval for >3 consecutive days
- Block any PTO during blackout periods (hello, Q4 retail)
Plus, vacation delegation means absent approvers don't bottleneck requests. Try that with email chains.
Setup That Doesn't Need IT to Hold Your Hand
If you can use a toaster, you can connect these tools:
- Pick Your Trigger: New booking? Reschedule? Cancellation? OneHash Cal has the hook.
- Map the Stakes: Connect to ApproveThis' thresholds - dollar amounts, headcount impacts, compliance flags.
- Assign Approvers: Legal doesn't care about lunchroom bookings. Facilities doesn't need to see marketing webinars.
Pro tip: Use ApproveThis' conditional logic to auto-approve low-risk items (internal team meetings) and only bug execs for high-stakes changes (board presentations).
Why This Isn't Just for Calendar Jockeys
Different teams care about different fires:
Customer Success: No More Overpromising
Auto-route client onboarding date changes through ApproveThis to:
- CSMs (capacity check)
- Support leads (resource allocation)
- Accounting (payment terms)
Slaps a process on what's usually 12 backchannel Slack messages.
Facilities: Your Conference Rooms Aren't Free
External client bookings in OneHash Cal? ApproveThis can require:
- NDA check (legal)
- Billing info (finance)
- Security clearance (ops)
All before the calendar event goes live. No more "Who authorized this third-party in our building?"
Finance: Calendar Items = Financial Liabilities
That vendor installation date in OneHash Cal? ApproveThis ties it to:
- PO approvals
- Milestone payments
- Penalty clauses
Miss a date because someone rescheduled without checking? Now that's someone else's budget problem.
The Nerd Stuff That Actually Matters
ApproveThis brings muscle OneHash Cal can't:
Email Approvals That Don't Suck
Approvers get a plain English email: "Jason wants to reschedule Client X's onboarding to Friday. Impacts: $15K penalty if missed. [Approve] [Reject]".
No logins. No passwords. External partners can approve without you buying them a OneHash seat.
Real-Time Tracking for the Micromanager in All of Us
Dashboards show every pending calendar change color-coded by risk level. Late approval on a high-priority booking? Escalate it automatically.
Delegation That Doesn't Require a Mind Reader
CFO on vacation? ApproveThis auto-reassigns calendar-related financial approvals to their VP. No dropped balls.
Bottom Line: Calendars Are Contracts Now
If your company's big enough to need OneHash Cal, you're too big to let calendar changes happen on the honor system. ApproveThis adds just enough process to prevent disasters, without the red tape that strangles growth.
Next steps: Book a 12-minute demo (yes, we use OneHash Cal) or start a free trial and connect it to your calendar in under an hour. Your future self (the one not dealing with preventable scheduling disasters) says thanks.
Integrate with OneHash Cal Integration and get 90 days of ApproveThis for free.
After you create a Zapier integration, please email us at support@approve-this.com with your account name and we'll add 3 months of ApproveThis to your account. Limit one redemption per account.
Learn More
Best Approval Workflows for OneHash Cal
Suggested workflows (and their Zapier components) for OneHash Cal
Create approval requests for new booking entries
When a new booking is created in OneHash Cal, this integration sends an approval request via ApproveThis to verify booking details. Note: *Ensure booking information is correctly mapped in the approval criteria.*
Zapier Components

Trigger
Booking Created
Triggers when new booking is created.
Action
Create Request
Creates a new request, probably with input from previous steps.
Create approval requests for cancelled bookings
When a booking is cancelled in OneHash Cal, this integration triggers an approval request in ApproveThis to validate cancellation details. Note: *Customize approval parameters as needed for cancellation workflows.*
Zapier Components

Trigger
Booking Cancelled
Triggers when new booking is cancelled.
Action
Create Request
Creates a new request, probably with input from previous steps.
Create approval requests for rescheduled bookings
When a booking is rescheduled in OneHash Cal, this integration sends an approval request via ApproveThis to review updated details. Note: *Ensure reschedule information and reasoning are included in the approval request.*
Zapier Components

Trigger
Booking Rescheduled
Triggers when a new booking is rescheduled.
Action
Create Request
Creates a new request, probably with input from previous steps.
Create approval requests for new out of office entries
When an out of office entry is created in OneHash Cal, this integration triggers an approval request in ApproveThis to monitor and verify time off entries. Note: *Include approver details to ensure proper review and delegation.*
Zapier Components

Trigger
Out of Office Created
Triggers when a new Out Of Office entry is created.
Action
Create Request
Creates a new request, probably with input from previous steps.
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