# Intro Call with Paul Gunnels with Paul Gunnels

> I’m looking forward to learning about your business and what’s on your mind. This is a no-pressure conversation. Think of it as a first date to see if we vibe. Come ready to talk about where your business is, where you want it to be, and what’s standing in the way. I’ll bring the questions, you bring the honesty. You’ll leave with a few observations and a clear sense of whether we’re a fit.

- Host: Paul Gunnels
- Duration: 30 min
- Location: Link meeting
- Host time zone: America/Detroit
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/paul-gunnels/growth
- Event type id: 2004851

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2004851&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": 2004851,
  "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.