# Discovery call with Vinit Ghelani

> Can’t wait to hear what you’re building and see how I can help! Just fill out the info so I can prep and make our call super productive.

- Host: Vinit Ghelani
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Calcutta
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/vinit-zupit/call
- Event type id: 2912469

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2912469&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": 2912469,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…",
    "What-is-your-budget-": "…",
    "How-did-you-find-us-": "…",
    "website": "…",
    "What-s-your-timeline-for-getting-started-": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `notes` (What you're building / What do you need help with?), `What-is-your-budget-` (What is your budget?), `How-did-you-find-us-` (How did you find us?)
- Optional fields: `website` (Website), `What-s-your-timeline-for-getting-started-` (What’s your timeline for getting started?), `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.