# 15 minutes with Selva P

> You can ask anything about design during this consultation call, especially our design services. We want to help you envision how these services will work to make your dream brand and see if we are a good match for your brand project.

- Host: Selva P
- Duration: 15 min
- Location: Google Meet
- Host time zone: Asia/Jakarta
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/corn-do-design/15-minutes
- Event type id: 1148784

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1148784&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": 1148784,
  "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.