# Intro call with Tomás

> For founders and leadership teams whose company is growing faster than its operations. A first conversation about where the company is heading, what's slowing it down, and where I can be most useful.

- Host: Tomás
- Duration: 25 min
- Location: Google Meet
- Host time zone: America/Buenos_Aires
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/booktomas/explore-working-together
- Event type id: 6491068

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6491068&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": 6491068,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…",
    "linkedin-or-website": "…",
    "heard-about": "…",
    "heard-about-detail": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (What would you like to discuss?), `linkedin-or-website` (LinkedIn or website), `heard-about` (How did you hear about me?), `heard-about-detail` (Who or where? (optional)), `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.