# Cactus - Free Revenue Audit with AJ

> We are entrepreneurs who built this for business owners like you. We've spent years understanding what it takes to run a local service business. Let's chat for 20 minutes! AJ, Co-founder & CEO, Cactus

- Host: AJ
- Duration: 20 min
- Location: Link meeting
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/ajith747/cactus
- Event type id: 2314050

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2314050&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": 2314050,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "smsReminderNumber": "…",
    "company": "…",
    "BusinessWebsite": "…",
    "ReferredBy": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `smsReminderNumber` (Phone number (Text notifications))
- Optional fields: `company` (Name of your Business), `BusinessWebsite` (Business Website), `ReferredBy` (Referred By)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.