# Discovery Call with Criztian Tuplano

> A 20-minute call to get to know you and your business, and talk about your website goals. Please fill out the intake form first so we can make the most of our time.

- Host: Criztian Tuplano
- Duration: 20, 30 min
- Location: Cal Video
- Host time zone: Asia/Manila
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/criztian/discovery
- Event type id: 7589550

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7589550&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": 7589550,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 20,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Your-business-name-and-website--if-you-have-one": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Your-business-name-and-website--if-you-have-one` (Your business name and website (if you have one))
- Optional fields: `notes` (Anything else I should know?), `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 20, 30; pass the same value to the slots request as `duration`.