# YBuffet_Jenny Ruan_15-Min Meeting with Jenny Ruan

> Hi! This is Jenny Ruan, founder of YBuffet.com. Let's have a fun chat ☺️ (https://www.linkedin.com/in/jennyruanworks/) Our goal is simple: build YBuffet into the go-to startup community built on authentic connections, giving back, and making the world a better place! We'd love to hear your life story, what you're working on, what you want to share with the world, and how we can help make your journey more fun! Let's have a FANTASTIC conversation!

- Host: Jenny Ruan
- Duration: 15 min
- Location: Google Meet
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/jennyr/15min
- Event type id: 4253462

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4253462&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": 4253462,
  "start": "<UTC ISO 8601 start from the slots response>",
  "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.