# Strategic Call with Marrallisa Kreijkes

> A 45-minute strategic call. Beforehand I look into your systems, and I bring concrete advice on where you stand and where your biggest wins are. €250, credited toward your workshop if we decide to work together.

- Host: Marrallisa Kreijkes
- Duration: 45 min
- Location: Google Meet
- Host time zone: Europe/Amsterdam
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/marrallisa/strategic-call
- Event type id: 7863612

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7863612&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": 7863612,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "company-website": "…",
    "team-size": "…",
    "budget": "…",
    "time-to-value": "…",
    "biggest-drain": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `company-website` (Company + website), `team-size` (Team size), `budget` (Rough yearly budget for automation / digital work), `time-to-value` (Your main offer, and how long until a new customer sees value?), `biggest-drain` (Where does your team waste the most time or money today?)
- 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.