# Book a 10-minute call with Grant or Christine with Grant Wattie

> A 10-minute video call on Google Meet with Grant or Christine Wattie. A meet and greet, not a session: you say what is happening, we say if and how we could help. Straight after you book, we'll email you a Confirm button. Your time is pencilled in until you click it. The Google Meet link is in your calendar invite.

- Host: Grant Wattie
- Duration: 10 min
- Location: Google Meet
- Host time zone: Pacific/Auckland
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/grantwattie/15min
- Event type id: 6740601

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6740601&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": 6740601,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "based": "…",
    "whoOnCall": "…",
    "situation": "…",
    "howFound": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `based` (Where are you based? City and country), `whoOnCall` (Who will be on the call?), `situation` (What's happening in your relationship right now, and what has you reaching out?), `howFound` (How did you find us?)
- 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.