# Discovery Call Consult with The Builders Club

> This call is to understand your business and pipeline needs, and see how we can partner to support your business.

- Host: The Builders Club
- Duration: 20 min
- Location: Gmeet
- Host time zone: Asia/Kolkata
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/thebuildersclub/discoverycall
- Event type id: 6834864

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6834864&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": 6834864,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "Linkedin-URL": "…",
    "Category": "…",
    "Who-is-your-TG": "…",
    "Target-Geography": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Business Email), `attendeePhoneNumber` (Phone number), `Linkedin-URL` (Linkedin URL), `Category` (Which category best describes your business), `Who-is-your-TG` (Who is your TG?), `Target-Geography` (Target Geography)
- Optional fields: `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.