# SaaS Explainer Free Strategy Call👋 with Motion Graphix

> In this free 15-20 min intro call on Zoom, we’ll discuss. The purpose of your video. Our production process. What we need from your side to get started. Clear cost estimate and timeline. No pitch, no pushy sales talk.

- Host: Motion Graphix
- Duration: 15, 30 min
- Location: Zoom Video
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/motiongraphix/saasexplainervideo
- Event type id: 7128889

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7128889&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": 7128889,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 15,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "How-did-you-hear-about-us": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `How-did-you-hear-about-us` (How did you hear about us?)
- 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.
- `lengthInMinutes` picks one of 15, 30; pass the same value to the slots request as `duration`.