# Discovery  Call 15 with Let's work together. Book now.

> A 15 minute meeting for us to discover to see how I can help you with your business needs.

- Host: Let's work together. Book now.
- Duration: 15 min
- Location: Google Meet, Zoom Video
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/susan-sparks-3bi3uo/15min
- Event type id: 1906881

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1906881&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": 1906881,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "Telephone-number": "…",
    "Website": "…",
    "Business-about": "…",
    "title": "…",
    "Services": "…",
    "Budget": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Telephone-number` (Telephone number), `Website` (Business website), `Business-about` (Tell me a little bit about your business), `title` (What is this meeting about?), `Services` (Which type of service are you looking for?), `Budget` (Tell me a little about your budget)
- 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.
- `location` is optional; without it the booking uses the event’s first location.