# Chat with Adham Hamza

> Goal: This is simply a quick chat between the two of us, so no need for any intensive preparation beforehand. Note: I'm really busy at the moment, so I ask that you respect my time and yours by attending our call on time. If you don't show up in the first 5 minutes, I will end the call and will likely not reschedule. Look forward to speaking soon!

- Host: Adham Hamza
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/adham-hamza/chat
- Event type id: 4168299

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4168299&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": 4168299,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ]
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `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.