API & Webhooks - Appointo

Your API keys

Keys are shown once at creation. Store them like passwords. Max 5 active keys.

Name	Prefix	Created	Last used

Endpoints (v1)

Base URL: https://getappointo.com/api/v1/

Auth header: Authorization: Bearer apt_… or X-API-Key: apt_…

GET /api/v1/me.php
GET /api/v1/event-types.php
GET /api/v1/event-types.php?id=123
GET /api/v1/bookings.php?status=scheduled&limit=50
GET /api/v1/bookings.php?from=2026-07-01&to=2026-07-31
GET /api/v1/slots.php?event_type_id=123&date=2026-07-25

Example

curl -s https://getappointo.com/api/v1/me.php \
  -H "Authorization: Bearer apt_YOUR_KEY_HERE"

Outbound webhooks

Appointo POSTs JSON to your HTTPS URL when bookings are created or cancelled. Verify X-Appointo-Signature with your signing secret (HMAC-SHA256 of the raw body). Max 5 active endpoints.

Events: booking.created, booking.cancelled

URL	Events	Last delivery	Status

Payload example

{
  "id": "delivery-id",
  "event": "booking.created",
  "created_at": "2026-07-23T12:00:00+00:00",
  "data": {
    "booking_id": 1,
    "guest_name": "Jane",
    "guest_email": "jane@example.com",
    "start_time": "2026-07-25 10:00:00",
    "status": "scheduled"
  }
}