# Virta Health Coach: Welcome Call with Chad Vincente

> A 20 minute call to share your goals, see how Virta fits your lifestyle, and choose your start date. I will call you at the number provided—no video required. Depending on your telephone provider, our call may appear as “Potential Spam,” “Spam Caller,” or “Unknown Caller.” On the day of your call, if you receive a call from one of these labels, it’s likely your Virta Health Coach! If you don't see a time that works for you, please message us in the app!

- Host: Chad Vincente
- Duration: 20 min
- Location: Attendee phone number
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://virtahealth-sandbox.cal.com/chad.vincente-sandbox/welcome-call
- Event type id: 2295255

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2295255&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": 2295255,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeePhone",
    "phone": "…"
  },
  "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.
- `location` is required: `location.phone` is the attendee’s own.