# Growth Marketing with Dhanish Athif

> A strategic deep dive into your marketing ROI and retention. We will audit your funnel, set up marketing automation, and develop lead-nurturing workflows. Best for businesses looking to scale their customer journey and streamline automated engagement systems. Do share any helpful information prior to the call so as to make the most of it.

- Host: Dhanish Athif
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Kuala_Lumpur
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/catchdhanish/growth-marketing
- Event type id: 4862187

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4862187&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": 4862187,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `attendeePhoneNumber` (Phone number), `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.