# 与 CloudNC 交流 / Chat with CloudNC with Eason Sheng

> 欢迎直接联系我们, 手机(同微信) Feel free to contact us via phone (same as WeChat):13900914853 也可以选择合适的时间，约一个腾讯会议链接加入会议. Or pick up a timeslot for a online meeting.

- Host: Eason Sheng
- Duration: 25, 50 min
- Location: Link meeting
- Host time zone: Asia/Shanghai
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/eason-sheng/book-me-a-meeting
- Event type id: 5275231

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5275231&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": 5275231,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 25,
  "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.
- `lengthInMinutes` picks one of 25, 50; pass the same value to the slots request as `duration`.