Acuity Scheduling

Access the Acuity Scheduling API with managed OAuth authentication. Manage appointments, calendars, clients, availability, and more.

Quick Start

# List appointments
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/acuity-scheduling/api/v1/appointments?max=10')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Base URL

https://api.maton.ai/acuity-scheduling/{native-api-path}

Maton proxies requests to acuityscheduling.com and automatically injects your OAuth token.

Authentication

All requests require the Maton API key in the Authorization header:

Authorization: Bearer $MATON_API_KEY

Environment Variable: Set your API key as MATON_API_KEY:

export MATON_API_KEY="YOUR_API_KEY"

Getting Your API Key

1. Sign in or create an account at maton.ai
2. Go to maton.ai/settings
3. Copy your API key

Connection Management

Manage your Acuity Scheduling OAuth connections at https://api.maton.ai.

List Connections

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/connections?app=acuity-scheduling&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Create Connection

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'acuity-scheduling'}).encode()
req = urllib.request.Request('https://api.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Get Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

{
  "connection": {
    "connection_id": "{connection_id}",
    "status": "ACTIVE",
    "creation_time": "2025-12-08T07:20:53.488460Z",
    "last_updated_time": "2026-01-31T20:03:32.593153Z",
    "url": "https://connect.maton.ai/?session_token=...",
    "app": "acuity-scheduling",
    "metadata": {}
  }
}

Open the returned url in a browser to complete OAuth authorization.

Delete Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Specifying Connection

If you have multiple Acuity Scheduling connections, specify which one to use with the Maton-Connection header:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/acuity-scheduling/api/v1/appointments')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Maton-Connection', '{connection_id}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

If you have multiple connections, always include this header to ensure requests go to the intended account.

Security & Permissions

• Access is scoped to appointments, calendars, clients, and availability within the connected Acuity Scheduling account.
• All write operations require explicit user approval. Before executing any create, update, or delete call, confirm the target resource and intended effect with the user.

API Reference

Account Information

Get Account Info

GET /acuity-scheduling/api/v1/me

Returns account information including timezone, scheduling page URL, and plan details.

Response:

{
  "id": 12345,
  "email": "user@example.com",
  "timezone": "America/Los_Angeles",
  "name": "My Business",
  "schedulingPage": "https://app.acuityscheduling.com/schedule.php?owner=12345",
  "plan": "Professional",
  "currency": "USD"
}

Appointments

List Appointments

GET /acuity-scheduling/api/v1/appointments

Query Parameters:

Parameter	Type	Description
max	integer	Maximum results (default: 100)
minDate	date	Appointments on or after this date
maxDate	date	Appointments on or before this date
calendarID	integer	Filter by calendar
appointmentTypeID	integer	Filter by appointment type
canceled	boolean	Include canceled appointments (default: false)
firstName	string	Filter by client first name
lastName	string	Filter by client last name
email	string	Filter by client email
excludeForms	boolean	Omit intake forms for faster response
direction	string	Sort order: ASC or DESC (default: DESC)

Example:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/acuity-scheduling/api/v1/appointments?max=10&minDate=2026-02-01')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

[
  {
    "id": 1630290133,
    "firstName": "Jane",
    "lastName": "McTest",
    "phone": "1235550101",
    "email": "jane.mctest@example.com",
    "date": "February 4, 2026",
    "time": "9:30am",
    "endTime": "10:20am",
    "datetime": "2026-02-04T09:30:00-0800",
    "type": "Consultation",
    "appointmentTypeID": 88791369,
    "duration": "50",
    "calendar": "Chris",
    "calendarID": 13499175,
    "canceled": false,
    "confirmationPage": "https://app.acuityscheduling.com/schedule.php?..."
  }
]

Get Appointment

GET /acuity-scheduling/api/v1/appointments/{id}

Create Appointment

POST /acuity-scheduling/api/v1/appointments
Content-Type: application/json

{
  "datetime": "2026-02-15T09:00",
  "appointmentTypeID": 123,
  "firstName": "John",
  "lastName": "Doe",
  "email": "john.doe@example.com",
  "phone": "555-123-4567",
  "timezone": "America/New_York"
}

Required Fields:

• datetime - Date and time (parseable by PHP's strtotime)
• appointmentTypeID - Appointment type ID
• firstName - Client's first name
• lastName - Client's last name
• email - Client's email

Optional Fields:

• phone - Client phone number
• calendarID - Specific calendar (auto-selected if omitted)
• timezone - Client's timezone
• certificate - Package or coupon code
• notes - Admin notes
• addonIDs - Array of addon IDs
• fields - Array of form field values

Example:

python <<'EOF'
import urllib.request, os, json
data = json.dumps({
    'datetime': '2026-02-15T09:00',
    'appointmentTypeID': 123,
    'firstName': 'John',
    'lastName': 'Doe',
    'email': 'john.doe@example.com'
}).encode()
req = urllib.request.Request('https://api.maton.ai/acuity-scheduling/api/v1/appointments', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Update Appointment

PUT /acuity-scheduling/api/v1/appointments/{id}
Content-Type: application/json

{
  "firstName": "Jane",
  "lastName": "Smith",
  "email": "jane.smith@example.com"
}

Cancel Appointment

PUT /acuity-scheduling/api/v1/appointments/{id}/cancel

Returns the canceled appointment with canceled: true.

Reschedule Appointment

PUT /acuity-scheduling/api/v1/appointments/{id}/reschedule
Content-Type: application/json

{
  "datetime": "2026-02-20T10:00"
}

Note: The new datetime must be an available time slot.

Calendars

List Calendars

GET /acuity-scheduling/api/v1/calendars

Response:

[
  {
    "id": 13499175,
    "name": "Chris",
    "email": "",
    "replyTo": "chris@example.com",
    "description": "",
    "location": "",
    "timezone": "America/Los_Angeles"
  }
]

Appointment Types

List Appointment Types

GET /acuity-scheduling/api/v1/appointment-types

Query Parameters:

• includeDeleted (boolean) - Include deleted types

Response:

[
  {
    "id": 88791369,
    "name": "Consultation",
    "active": true,
    "description": "",
    "duration": 50,
    "price": "45.00",
    "category": "",
    "color": "#ED7087",
    "private": false,
    "type": "service",
    "calendarIDs": [13499175],
    "schedulingUrl": "https://app.acuityscheduling.com/schedule.php?..."
  }
]

Availability

Get Available Dates

GET /acuity-scheduling/api/v1/availability/dates?month=2026-02&appointmentTypeID=123

Required Parameters:

• month - Month to check (e.g., "2026-02")
• appointmentTypeID - Appointment type ID

Optional Parameters:

• calendarID - Specific calendar
• timezone - Timezone for results (e.g., "America/New_York")

Response:

[
  {"date": "2026-02-09"},
  {"date": "2026-02-10"},
  {"date": "2026-02-11"}
]

Get Available Times

GET /acuity-scheduling/api/v1/availability/times?date=2026-02-10&appointmentTypeID=123

Required Parameters:

• date - Date to check
• appointmentTypeID - Appointment type ID

Optional Parameters:

• calendarID - Specific calendar
• timezone - Timezone for results

Response:

[
  {"time": "2026-02-10T09:00:00-0800", "slotsAvailable": 1},
  {"time": "2026-02-10T09:50:00-0800", "slotsAvailable": 1},
  {"time": "2026-02-10T10:40:00-0800", "slotsAvailable": 1}
]

Clients

List Clients

GET /acuity-scheduling/api/v1/clients

Query Parameters:

• search - Filter by first name, last name, or phone

Example:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/acuity-scheduling/api/v1/clients?search=John')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

[
  {
    "firstName": "Jane",
    "lastName": "McTest",
    "email": "jane.mctest@example.com",
    "phone": "(123) 555-0101",
    "notes": ""
  }
]

Create Client

POST /acuity-scheduling/api/v1/clients
Content-Type: application/json

{
  "firstName": "John",
  "lastName": "Doe",
  "email": "john@example.com",
  "phone": "555-123-4567"
}

Update Client

PUT /acuity-scheduling/api/v1/clients
Content-Type: application/json

{
  "firstName": "John",
  "lastName": "Doe",
  "email": "john.updated@example.com"
}

Note: Client update/delete only works for clients with existing appointments.

Delete Client

DELETE /acuity-scheduling/api/v1/clients
Content-Type: application/json

{
  "firstName": "John",
  "lastName": "Doe"
}

Blocks

List Blocks

GET /acuity-scheduling/api/v1/blocks

Query Parameters:

• max - Maximum results (default: 100)
• minDate - Blocks on or after this date
• maxDate - Blocks on or before this date
• calendarID - Filter by calendar

Get Block

GET /acuity-scheduling/api/v1/blocks/{id}

Create Block

POST /acuity-scheduling/api/v1/blocks
Content-Type: application/json

{
  "start": "2026-02-15T12:00",
  "end": "2026-02-15T13:00",
  "calendarID": 1234,
  "notes": "Lunch break"
}

Response:

{
  "id": 9589304654,
  "calendarID": 13499175,
  "start": "2026-02-15T12:00:00-0800",
  "end": "2026-02-15T13:00:00-0800",
  "notes": "Lunch break",
  "description": "Sunday, February 15, 2026 12:00pm - 1:00pm"
}

Delete Block

DELETE /acuity-scheduling/api/v1/blocks/{id}

Returns 204 No Content on success.

Forms

List Forms

GET /acuity-scheduling/api/v1/forms

Response:

[
  {
    "id": 123,
    "name": "Client Intake Form",
    "appointmentTypeIDs": [456, 789],
    "fields": [
      {
        "id": 1,
        "name": "How did you hear about us?",
        "type": "dropdown",
        "options": ["Google", "Friend", "Social Media"],
        "required": true
      }
    ]
  }
]

Labels

List Labels

GET /acuity-scheduling/api/v1/labels

Response:

[
  {"id": 23116714, "name": "Checked In", "color": "green"},
  {"id": 23116715, "name": "Completed", "color": "pink"},
  {"id": 23116713, "name": "Confirmed", "color": "yellow"}
]

Pagination

Acuity Scheduling uses the max parameter to limit results. Use minDate and maxDate to paginate through date ranges:

# First page
GET /acuity-scheduling/api/v1/appointments?max=100&minDate=2026-01-01&maxDate=2026-01-31

# Next page
GET /acuity-scheduling/api/v1/appointments?max=100&minDate=2026-02-01&maxDate=2026-02-28

Code Examples

JavaScript

const response = await fetch(
  'https://api.maton.ai/acuity-scheduling/api/v1/appointments?max=10',
  {
    headers: {
      'Authorization': `Bearer ${process.env.MATON_API_KEY}`
    }
  }
);
const appointments = await response.json();

Python

import os
import requests

response = requests.get(
    'https://api.maton.ai/acuity-scheduling/api/v1/appointments',
    headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'},
    params={'max': 10}
)
appointments = response.json()

Notes

• Datetime values must be parseable by PHP's strtotime() function
• Timezones use IANA format (e.g., "America/New_York", "America/Los_Angeles")
• Client update/delete requires clients to have existing appointments
• Rescheduling requires the new datetime to be an available time slot
• Use excludeForms=true for faster appointment list responses
• IMPORTANT: When using curl commands, use curl -g when URLs contain brackets to disable glob parsing
• IMPORTANT: When piping curl output to jq or other commands, environment variables like $MATON_API_KEY may not expand correctly in some shell environments. You may get "Invalid API key" errors when piping.

Error Handling

Status	Meaning
400	Invalid request (e.g., time not available, client not found)
401	Invalid or missing Maton API key
404	Resource not found
429	Rate limited
4xx/5xx	Passthrough error from Acuity API

Troubleshooting: API Key Issues

1. Check that the MATON_API_KEY environment variable is set:

echo $MATON_API_KEY

2. Verify the API key is valid by listing connections:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Troubleshooting: Invalid App Name

1. Ensure your URL path starts with acuity-scheduling. For example:

• Correct: https://api.maton.ai/acuity-scheduling/api/v1/appointments
• Incorrect: https://api.maton.ai/api/v1/appointments

Resources

• Acuity Scheduling API Quick Start
• Appointments API
• Availability API
• Calendars API
• Clients API
• OAuth2 Documentation
• Maton Community
• Maton Support