# Free App Consultation (Business) with Max Zhou

> What We’ll Cover on the Call Identify operational bottlenecks and manual processes in your business Explore where internal tools or AI can save time and reduce costs Outline a high-level system, timeline, and next steps An NDA can be signed if required before discussing sensitive details.

- Host: Max Zhou
- Duration: 20 min
- Location: Google Meet
- Host time zone: Australia/Melbourne
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/maxzhou/free-app-consultation-business
- Event type id: 3872135

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=3872135&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": 3872135,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…",
    "budget": "…",
    "smsReminderNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `notes` (Briefly describe the internal tool or system you’re looking to build. If you have any related documents or an NDA, please email them to info@shipfast.agency before our call), `budget` (What level of investment are you comfortable making to build and implement this internal tool/System?)
- Optional fields: `guests` (Add guests), `smsReminderNumber` (Phone number (Text notifications))
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.