# Free discovery call with Loïc Ernult

> Tell me the task your team hates most. In 30 minutes, I’ll tell you whether it can be automated, roughly how long it takes, and what it costs. Free, no obligation.

- Host: Loïc Ernult
- Duration: 30 min
- Location: Cal Video
- Host time zone: Asia/Phnom_Penh
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/lumizon/discovery
- Event type id: 7754384

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7754384&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": 7754384,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "company-or-project": "…",
    "notes": "…",
    "website": "…",
    "team-tools": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `company-or-project` (Company or project), `notes` (What task would you like to automate?)
- Optional fields: `website` (Website), `team-tools` (Which tools does your team use today?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.