Update appointment availability from a Slack decision
When the team agrees on changed appointment availability, turn the clear decision in Slack into an Appointo configuration update so the calendar reflects what was decided.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Action
Upsert Appointment Configuration
Tool to upsert availability config for an appointment. Use when setting or updating appointment availability settings.
Why this helps
Availability decisions can stay buried in chat while the booking calendar keeps showing outdated options.
- Carry an agreed change into the scheduling system.
- Reduce the gap between a decision and its implementation.
- Keep availability aligned with the team's latest plan.
Setup
Build it in a few focused steps.
- 1Connect Slack and Appointo to Notis once in the portal.
- 2Create an automation that updates appointment availability only from a clear, approved Slack decision.
- 3Choose the Slack Channel Message Received trigger and a channel for run reports.
- 4Test with an authorized change and confirm the Appointo configuration.
Questions about this workflow
Should any suggestion change availability?
No. Instruct Notis to act only on a clear, approved decision.
What does this Appointo action do?
It upserts availability configuration for an appointment.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Appointo. A trigger fires from one place; an action lands in another.
Slack triggers
Appointo actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Authenticate Appointo API Token
Tool to authenticate with the Appointo API by validating the APPOINTO-TOKEN header. Use when verifying the token before subsequent API calls.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Cancel Booking
Tool to cancel a booking or selected customers. Use when you need to revoke an entire booking or individual attendees after verifying booking details. Use after retrieving booking information.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Create Booking
Tool to create a new booking. Use when scheduling a customer booking after confirming appointment availability.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Get Appointment Availability
Tool to get calendar availability for a specific appointment. Use when you need to fetch available time slots for an appointment within a date range.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
List Appointments
Tool to list appointments. Use when fetching appointments with optional filters and pagination after confirming a valid API token.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
List Bookings
Tool to list bookings. Use when you need to fetch bookings filtered by status, paging, or search term.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
List Products
Tool to fetch all available products. Use when browsing products with optional paging and search. Call after authenticating with Appointo API.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
List Subscription Contracts
Tool to list subscription contracts. Use when retrieving contracts with optional search after confirming a valid API token.
Connect any two apps with Notis in the middle.
Slack and Appointo, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
Save your first hour today.
7-day trial of any paid plan, with 20$ of usage included.
No card. Works with personal or business Appointo.