# Fit Conversation with Tommy Le

> A focused 30 minutes on one process that is costing you time, customers, or visibility. We will cover what happens today, the business impact, and whether there is enough value to investigate further. If there is not, I will tell you that directly.

- Host: Tommy Le
- Duration: 30 min
- Location: Cal Video
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/tommy-le-clbare/fit-conversation
- Event type id: 6855107

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6855107&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": 6855107,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Business-name": "…",
    "Your-role": "…",
    "What-is-the-one-thing-you-most-want-to-fix": "…",
    "notes": "…",
    "Website": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Business-name` (Business name), `Your-role` (Your role), `What-is-the-one-thing-you-most-want-to-fix` (What is the one thing you most want to fix?)
- Optional fields: `notes` (Additional notes), `guests` (Add guests), `Website` (Website)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.