# Book A Call With Mr Breakthrough - Umar Hameed with Umar Hameed

> A quick discovery call.

- Host: Umar Hameed
- Duration: 60 min
- Location: Zoom Video, 874 Brock Concession Rd 9
- Host time zone: America/Toronto
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/breakthrough-architect/book-a-call-with-mr-breakthrough
- Event type id: 1821778

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1821778&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": 1821778,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "1": "…",
    "2": "…",
    "3": "…",
    "4": "…",
    "5": "…",
    "6": "…",
    "7": "…",
    "8": "…",
    "attendeePhoneNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `1` (What would you like help with?), `2` (How long have you been dealing with this?), `3` (What have you tried so far?), `4` (On a scale of 1–10, how much is this affecting your life?), `5` (What would you like to feel or experience instead?), `6` (Are you open to using hypnosis & NLP for change?), `7` (Briefly describe what’s been going on.), `8` (Is there anything else I need to know?)
- Optional fields: none
- `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.