# 30 min meeting with Andrew Leung

- Host: Andrew Leung
- Duration: 30 min
- Location: Cal Video
- Host time zone: Asia/Hong_Kong
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/aleung/30min
- Event type id: 7788854

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7788854&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": 7788854,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "What-stage-is-your-startup": "…",
    "What-are-you-building": "…",
    "Are-you-an-OpenFor-member": "…",
    "Any-demo--pitch-or-launch-coming-up--and-when": "…",
    "What-decision-do-you-need-help-with": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `What-stage-is-your-startup` (What stage is your startup?), `What-are-you-building` (What are you building?), `Are-you-an-OpenFor-member` (Are you an OpenFor member?)
- Optional fields: `Any-demo--pitch-or-launch-coming-up--and-when` (Any demo, pitch or launch coming up, and when?), `What-decision-do-you-need-help-with` (What decision do you need help with?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.