# Start a session with a founder with Poly

> Talk directly with one of the people building Poly. Bring your team's workflow, your hardest AI collaboration problems, and any questions about where the product is headed. We'll dig into what you need, show you how Poly handles it, and be straight with you about fit. Your feedback shapes what we build next.

- Host: Poly
- Duration: 15 min
- Location: Google Meet
- Host time zone: Europe/Prague
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/poly-61c5sm/start-a-session-with-a-founder
- Event type id: 7168977

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7168977&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": 7168977,
  "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.