# Business appointment with Shuang Song

> Hi, there, I am Shuang. A geographer who also travels. I am a scientist at the Max Planck Institute of Geoanthropology, and in my spare time, I engage in development and travel writing. You are very welcome to check my availability and schedule an interview with me through this link. ⚠️【Strange appointments will be declined】

- Host: Shuang Song
- Duration: 60, 90, 120 min
- Location: Zoom Video, In Person (Organizer Address), Custom attendee location, Link meeting
- Host time zone: Asia/Shanghai
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/s-huang-song-sodoej/business
- Event type id: 1015294

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1015294&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": 1015294,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 60,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `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.
- `location` is optional; without it the booking uses the event’s first location.
- `lengthInMinutes` picks one of 60, 90, 120; pass the same value to the slots request as `duration`.