# AI Engineering - Discovery Meeting with aptagrim

> Aptagrim is an AI product engineering company. We design, engineer, and deploy specialized enterprise AI products and intelligent workflow systems—built around the knowledge, decisions, and operational processes that shape how businesses run.

- Host: aptagrim
- Duration: 15 min
- Location: MS Teams
- Host time zone: Asia/Kolkata
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/aptagrim/ai-engineering
- Event type id: 6842570

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6842570&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": 6842570,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "company": "…",
    "website": "…",
    "title": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `company` (Company), `website` (Company Website), `title` (What is this meeting about?)
- 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.