# Speaker with Siobhan Solberg

> Book a 15' call with Siobhan to explore speaking opportunities

- Host: Siobhan Solberg
- Duration: 15 min
- Location: Jitsi Video
- Host time zone: Europe/Athens
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://raze.cal.com/siobhan/speaker
- Event type id: 1438688

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1438688&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": 1438688,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "What-is-the-name-of-your-company": "…",
    "What-type-of-event-are-you-planning": "…",
    "I-m-looking-for-a": "…",
    "If-applicable--please-specify-the-date-of-your-event": "…",
    "What-s-the-budget-for-this-event": "…",
    "Who-is-this-event-for": "…",
    "Please-share-anything-else-that-would-be-useful-to-know-ahead-of-our-call-below": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `What-is-the-name-of-your-company` (What is the name of your company?), `What-type-of-event-are-you-planning` (What type of event are you planning?), `I-m-looking-for-a` (I’m looking for a:), `If-applicable--please-specify-the-date-of-your-event` (If applicable, please specify the date of your event.), `What-s-the-budget-for-this-event` (What’s the budget for this event?)
- Optional fields: `Who-is-this-event-for` (Who is this event for?), `Please-share-anything-else-that-would-be-useful-to-know-ahead-of-our-call-below` (Please share anything else that would be useful to know ahead of our call below), `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.