# Intro Call with Ferdi

> Hey! Here's what we're gonna discuss further in our 30 minutes call Introduction Your problems, business goals, and current state of your projects Your goals in this particular project Previous works that I've done Next steps Looking forward and Talk to you soon!

- Host: Ferdi
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Jakarta
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/itsferdi/30min
- Event type id: 2588182

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2588182&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": 2588182,
  "start": "<UTC ISO 8601 start from the slots response>",
  "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.