# Milstra Intro with Milstra

> A free 30-minute introduction with Milstra. Tell us about your requirement, your data and your timeline. We’ll discuss what’s realistic and suggest the best way to deliver it. No preparation needed, and no obligation.

- Host: Milstra
- Duration: 30 min
- Location: Cal Video
- Host time zone: Europe/Stockholm
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/milstra/milstra-intro
- Event type id: 7549448

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7549448&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": 7549448,
  "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.