# Business Consultation with Christopher Clegg

- Host: Christopher Clegg
- Duration: 15 min
- Location: Google Meet
- Host time zone: America/Phoenix
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/christopherclegg/15min
- Event type id: 6535729

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6535729&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 6535729,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "smsReminderNumber": "…",
    "Please-describe-the-reason-for-this-meeting-in-as-much-detail-as-possible--Please-list-anything-you-want-to-go-over-during-the-meeting": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `smsReminderNumber` (Phone number (Text notifications)), `Please-describe-the-reason-for-this-meeting-in-as-much-detail-as-possible--Please-list-anything-you-want-to-go-over-during-the-meeting` (Please describe the reason for this meeting in as much detail as possible. Please list anything you want to go over during the meeting.)
- Optional fields: `guests` (Add guests)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.