# Losse coachsessie 60/75/90 minuten with Koers Kriebel Coaching - Marjolein

> Een losse coachsessie is exclusief kennismakingsgesprek. Je kunt kiezen uit een sessie van 60/75/90 minuten.

- Host: Koers Kriebel Coaching - Marjolein
- Duration: 60, 75, 90 min
- Location: Microsoft Teams (link volgt nog)
- Host time zone: Europe/Amsterdam
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/koerskriebel/losse-coachsessie
- Event type id: 7772658

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7772658&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": 7772658,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 75,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeeDefined",
    "location": "…"
  },
  "bookingFieldsResponses": {
    "notes": "…",
    "Naam-organisatie": "…",
    "attendeePhoneNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (E-mail adres), `notes` (Opmerkingen)
- Optional fields: `Naam-organisatie` (Naam organisatie), `attendeePhoneNumber` (Phone number)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `location` is required: `location.location` is the attendee’s own.
- `lengthInMinutes` picks one of 60, 75, 90; pass the same value to the slots request as `duration`.