# 30 Min Intro Call w/ Derrick with Derrick Evans

> Let's scale your company

- Host: Derrick Evans
- Duration: 30 min
- Location: Google Meet
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/impactfultechsystems/30minintrocall
- Event type id: 1591376

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1591376&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": 1591376,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "Current-Monthly-revenue": "…",
    "What-is-your-target-monthly-revenue": "…",
    "CompanyName": "…",
    "Whats-stopping-you-from-hitting-goal": "…",
    "ExtraCalls": "…",
    "ConfirmationAttendane": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Current-Monthly-revenue` (What is your current monthly recurring revenue?), `What-is-your-target-monthly-revenue` (What is your target monthly revenue?), `CompanyName` (Confirm your company's name), `Whats-stopping-you-from-hitting-goal` (What's stopping you from hitting your revenue goals?), `ExtraCalls` (How many extra sales calls can you handle in a month?), `ConfirmationAttendane` (Are you 100% gonna be able to make it to the meeting? (if not, pick another time, or don’t schedule.))
- 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.