# 15 Min Meeting with Hassaan

> Book your free intro call with me!

- Host: Hassaan
- Duration: 15 min
- Location: Google Meet
- Host time zone: Asia/Karachi
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/hassaan-nadeem/15min
- Event type id: 2303608

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2303608&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": 2303608,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "company_stage": "…",
    "notes": "…",
    "budget": "…",
    "referral_or_not": "…",
    "title": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `company_stage` (Where’s your company at right now?), `notes` (What do you need help with? Give us a quick download—goals, obstacles, or anything we should know before the call.), `budget` (What’s your ballpark budget?), `referral_or_not` (Where’d you find us?)
- Optional fields: `title` (Company Website)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- A successful response is a pending booking request.