# Discovery Call with Subhajit Bhar

> What’s driving you crazy about your business documents? Let’s figure it out together. During our 30‑minute call we’ll uncover where you’re losing time or missing opportunities and explore how the right technology can fix it for you. We’ll dissect your AI or automation idea by answering three critical questions: - Is it financially worth building? - What will the proof‑of‑concept look like? - What are the precise cost and ROI projections? Instead of vague theories, you’ll walk away with a decisive go/no‑go plan and a clear path to a working demo. More about me: subhajitbhar.com/about

- Host: Subhajit Bhar
- Duration: 30 min
- Location: Zoom Video, Google Meet
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/subhajitbhar/discoverycall
- Event type id: 2457623

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2457623&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": 2457623,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Linkedin-URL": "…",
    "title": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Linkedin-URL` (Linkedin URL), `title` (What is this meeting about?)
- 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.
- `location` is optional; without it the booking uses the event’s first location.