# Intro with Co-Lab Team

> A call to quickly introduce our offering to you If you want to start straight from this call, book 1h, so we have time to get the basics sorted and your working environment set.

- Host: Co-Lab Team
- Duration: 15, 30, 60 min
- Location: Proton Meet
- Host time zone: Europe/Zurich
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.eu/co-lab/intro
- Event type id: 352828

## Check availability

```http
GET https://api.cal.eu/v2/slots?eventTypeId=352828&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.eu/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 352828,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 15,
  "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.
- `lengthInMinutes` picks one of 15, 30, 60; pass the same value to the slots request as `duration`.