# 20-Minutes Mind-Melding Meeting with Rob Guida

> Free 20-minute call. Tell me what is stuck, slipping or at risk, and what has been tried. I ask questions, then we discuss what might solve it. Do not include confidential, health or financial information, or passwords. I use your answers only to review your booking, and to prepare for and hold the call. After you book, I check the company you name, using public sources and an AI service. Privacy: https://robguida.com/privacy.html

- Host: Rob Guida
- Duration: 20 min
- Location: Cal Video, Zoom Video, MS Teams, Google Meet
- Host time zone: America/New_York
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/robguida.com/20minutemindmeldingmeeting
- Event type id: 7327168

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7327168&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": 7327168,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "Company-Name": "…",
    "Company-Size": "…",
    "Tech-Team-Size": "…",
    "Are-you-the-person-who-approves-the-spend": "…",
    "Timeline": "…",
    "notes": "…",
    "City": "…",
    "State-Country": "…",
    "Company-Site": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email), `attendeePhoneNumber` (Contacts phone number), `Company-Name` (Company Name), `Company-Size` (Company Size), `Tech-Team-Size` (Tech Team Size), `Are-you-the-person-who-approves-the-spend` (Are you the person who approves the spend?), `Timeline` (Timeline), `notes` (What do you want to discuss?), `City` (City), `State-Country` (State/Country)
- Optional fields: `Company-Site` (Company Site)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `location` is optional; without it the booking uses the event’s first location.
- A successful response is a pending booking request.