acuity_create_appointment
Create appointment
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CREATES a new appointment (books a client into a time slot). This MODIFIES the calendar and, unless suppressed, may send confirmation emails. Acuity REST: POST /appointments.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| appointmentTypeID | integer | yes | Appointment type id to book (required). |
| datetime | string | yes | Start time in ISO 8601 with offset, e.g. '2026-08-15T14:00:00-0400' (required). |
| firstName | string | yes | Client first name (required). |
| lastName | string | yes | Client last name (required). |
| string | yes | Client email (required). | |
| calendarID | integer | no | Calendar id to book on (defaults to an available one). |
| phone | string | no | Client phone number. |
| timezone | string | no | IANA timezone for the datetime, e.g. 'America/New_York'. |
| notes | string | no | Notes to attach to the appointment. |
| fields | array | no | Intake form field answers, each { id, value }. |
| admin | boolean | no | If true, book as admin — bypasses availability checks and required-form enforcement. Default false. |
| noEmail | boolean | no | If true, suppress client/owner confirmation emails. |
Raw JSON schema
{
"type": "object",
"properties": {
"appointmentTypeID": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991,
"description": "Appointment type id to book (required)."
},
"datetime": {
"type": "string",
"description": "Start time in ISO 8601 with offset, e.g. '2026-08-15T14:00:00-0400' (required)."
},
"firstName": {
"type": "string",
"description": "Client first name (required)."
},
"lastName": {
"type": "string",
"description": "Client last name (required)."
},
"email": {
"type": "string",
"description": "Client email (required)."
},
"calendarID": {
"description": "Calendar id to book on (defaults to an available one).",
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991
},
"phone": {
"description": "Client phone number.",
"type": "string"
},
"timezone": {
"description": "IANA timezone for the datetime, e.g. 'America/New_York'.",
"type": "string"
},
"notes": {
"description": "Notes to attach to the appointment.",
"type": "string"
},
"fields": {
"description": "Intake form field answers, each { id, value }.",
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "integer",
"minimum": -9007199254740991,
"maximum": 9007199254740991,
"description": "Intake form field id."
},
"value": {
"type": "string",
"description": "Field value."
}
},
"required": [
"id",
"value"
]
}
},
"admin": {
"description": "If true, book as admin — bypasses availability checks and required-form enforcement. Default false.",
"type": "boolean"
},
"noEmail": {
"description": "If true, suppress client/owner confirmation emails.",
"type": "boolean"
}
},
"required": [
"appointmentTypeID",
"datetime",
"firstName",
"lastName",
"email"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}