# Half-day Workshop with Spencer Tahil

> This is an INTENSE, accelerated workshop designed to get you ahead in your ventures. You book me for half a day. You get leverage, strategy, and something that doesn't take time to bring ROI.

- Host: Spencer Tahil
- Duration: 240 min
- Location: Google Meet
- Host time zone: Europe/Budapest
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/spencertahil/workshop
- Event type id: 6900429

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6900429&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": 6900429,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "What-tools-are-you-using-that-you-would-like-to-discuss": "…",
    "What-do-you-want-to-walk-out-with": "…",
    "What-is-the-best-reference-materials-you-can-arm-us-with-for-your-success": "…",
    "Agreement-to-come-on-time": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `What-tools-are-you-using-that-you-would-like-to-discuss` (What tools are you using that you would like to discuss?), `What-do-you-want-to-walk-out-with` (What do you want to walk out with?), `What-is-the-best-reference-materials-you-can-arm-us-with-for-your-success` (What is the best reference materials you can arm us with for your success?), `Agreement-to-come-on-time` (Agreement to come on time)
- 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.