# New Client Package with Harriet Cooke

> Designed for new clients, this package provides personalised nutritional and lifestyle support tailored around your unique needs and health goals, with continued guidance and support throughout your programme. Your initial consultation includes a detailed case history, covering your current health concerns, medical history, lifestyle, and a comprehensive dietary analysis. Taking into account physical activity, stress, sleep and other lifestyle factors to build a more complete picture of your wellbeing. Where appropriate, functional testing may also be recommended to provide additional insight.

- Host: Harriet Cooke
- Duration: 90 min
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.eu/harrietnutritionist/newclientpackage
- Event type id: 387910

## Check availability

```http
GET https://api.cal.eu/v2/slots?eventTypeId=387910&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.eu/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 387910,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (Additional notes), `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.