# Metabolic Control Evaluation with Fiona Evans

> We get to the root cause of your glucose spikes and show you exactly how to fix them. Grab a notebook and pen. Find somewhere quiet where you won't be disturbed. And please not while you're driving.

- Host: Fiona Evans
- Duration: 60 min
- Location: Zoom Video
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/twd-private/metabolic-control-evaluation
- Event type id: 3124001

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=3124001&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": 3124001,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "diabetes_duration": "…",
    "biggest_challenge": "…",
    "ready_to_invest": "…",
    "attendeePhoneNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `diabetes_duration` (How long have you had Type 2 Diabetes?), `biggest_challenge` (What's your biggest challenge right now?), `ready_to_invest` (Are you in a position to invest in your health right now if the right solution was in front of you?)
- Optional fields: `attendeePhoneNumber` (Phone number)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.