# Vertex Forge Intro with Lukas Brand

> Whether you have a clear vision or need guidance on how Vertex Forge can help, this call will clarify the next steps to deliver quality results quickly. No need to stress about the details—let’s chat!

- Host: Lukas Brand
- Duration: 30 min
- Location: Cal Video
- Host time zone: Europe/Vienna
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/vertexmedia/vertex-forge-intro
- Event type id: 1716059

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1716059&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": 1716059,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "subscription": "…",
    "budget": "…",
    "website": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `subscription` (Subscription Level), `budget` (Available Budget)
- Optional fields: `website` (Website/Application Link (If applicable)), `notes` (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.