# Học cùng Vanh with Jarema

> Hãy đặt lịch học cùng Vanh nhé 🥰 Giá tiêu chuẩn: 1 giờ 30 phút: 150k 2 giờ: 180k (Mặc định) 2 giờ 30 phút: 200k 3 giờ: 240k Bạn có thể chọn địa điểm khác ở mục Địa chỉ người tham gia nhé!

- Host: Jarema
- Duration: 90, 120, 150, 180 min
- Location: Google Meet, MS Teams, Element Call, Signal, Discord, Webex, Zoom Video, Jitsi Video, Học viện Ngoại giao (69 Chùa Láng), In Person (Attendee Address)
- Host time zone: Asia/Ho_Chi_Minh
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/jaremaa/hoc-cung-vanh
- Event type id: 620549

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=620549&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": 620549,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 120,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email)
- Optional fields: `attendeePhoneNumber` (Phone number), `notes` (Ghi chú)
- `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 90, 120, 150, 180; pass the same value to the slots request as `duration`.
- A successful response is a pending booking request.