# Fit call with Marwan, UtilitySpaces

> 20 minutes with Marwan, the founder. Tell me what you want AI agents to do for you. I'll tell you honestly whether UtilitySpaces fits and, if it does, the fastest path to a working agent. No slides, no pitch. If we're the wrong tool, I'll say so and point you somewhere better. Reschedule or cancel any time from your confirmation email.

- Host: Marwan, UtilitySpaces
- Duration: 20 min
- Location: Google Meet
- Host time zone: Africa/Cairo
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/utilityspaces/fit-call
- Event type id: 7726376

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7726376&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": 7726376,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "goal": "…",
    "website": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `goal` (What do you want AI agents to do for you?)
- Optional fields: `website` (Company website (optional)), `notes` (Additional notes), `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.