# 20 minutes free introductory session with Thiago Pires

> Existential phenomenological approach. No formulas, no advice. A space to look at what you live, as you live it, without judgment. I will not tell you what to do. I bring questions that help you see what usually stays in the dark, and the decision stays yours.

- Host: Thiago Pires
- Duration: 20 min
- Location: Google Meet
- Host time zone: Asia/Taipei
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/pirespsychology/20-minutes-free-introductory-session
- Event type id: 7445516

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7445516&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": 7445516,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "I-confirm-I-am-aware-of-the-session-fee--70-euros": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone Number), `I-confirm-I-am-aware-of-the-session-fee--70-euros` (I confirm I am aware of the session fee: 70 euros.)
- Optional fields: none
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.