# Free sample list: 15-min scoping call with Jarvis Zhang

> A free sample of 500–1,000 records for your market. What clients say ↓ Private equity "Overall I think this was a very good list and I'm very impressed with your list building generally." "We've been having success with the lists you've prepared for us and our pipeline is looking great." M&A advisory "I know several of the clinics you have identified, and as a case study, the information is accurate and possible sale signals as well." Business brokerage "No questions about the content of your list. The list looks impressive." Commercial real estate "It looks like a well-built and thoughtfully organized list."

- Host: Jarvis Zhang
- Duration: 15 min
- Location: Zoom Video
- Host time zone: Europe/Rome
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/newbizbot/landing
- Event type id: 7326283

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7326283&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": 7326283,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (What market should your sample cover?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.