# 15 minute discovery call with Haven Mays

> This complimentary 15-minute discovery call is a chance for us to briefly discuss your current health and nutrition concerns, what you’re hoping to work on, and whether Functional Nutritional Therapy may be a good fit for you. I’ll also explain what working together can look like, answer any questions you have about my approach, and help determine the best next step for your needs. Please note: this call is for getting acquainted and discussing services; individualized nutritional recommendations are not provided during the discovery call.

- Host: Haven Mays
- Duration: 15 min
- Location: Cal Video
- Host time zone: America/Chicago
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/haven-mays-wvuggf/15min
- Event type id: 6718262

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6718262&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": 6718262,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `attendeePhoneNumber` (Phone number), `notes` (Additional notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.