# 30 min meeting with Jefferson Duong

> 30 min meeting. Happy to talk about anything. Also if this time doesn't work and you need something earlier please just schedule and we can work out a time. :) If you need something earlier in the day please just schedule ahead of time and reach out to me via linkedin or discord and I would be more then happy to accommodate if possible. After booking please confirm with me via any channel as well and looking forward to getting to chat! Talk to you soon :)

- Host: Jefferson Duong
- Duration: 15, 30 min
- Location: Cal Video
- Host time zone: America/Los_Angeles
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/jduong/30min
- Event type id: 5616164

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5616164&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": 5616164,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 30,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "Linkedin": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Linkedin` (Linkedin)
- Optional fields: `notes` (Additional notes)
- `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 15, 30; pass the same value to the slots request as `duration`.
- A successful response is a pending booking request.