# Website Intro Call with Polymer

> We'll spend the time figuring out what you need and whether we're the right team to build it. If you've got reference sites you like, a rough sitemap, or details on your current stack, bring it. Nothing else required to prep.

- Host: Polymer
- Duration: 20 min
- Location: Cal Video
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/hellopolymer/intro
- Event type id: 7202987

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7202987&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": 7202987,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Role-Title": "…",
    "title": "…",
    "Company-Website": "…",
    "Funding-Stage": "…",
    "Team-Size": "…",
    "What-are-you-looking-to-do": "…",
    "How-did-you-hear-about-us": "…",
    "attendeePhoneNumber": "…",
    "notes": "…",
    "If-you-selected--friend-colleague--or--other---please-tell-us-who-or-where-you-heard-about-us": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Role-Title` (Role/Title), `title` (Company Name), `Company-Website` (Company Website), `Funding-Stage` (Funding Stage), `Team-Size` (Team Size), `What-are-you-looking-to-do` (What are you looking to do?), `How-did-you-hear-about-us` (How did you hear about us?)
- Optional fields: `attendeePhoneNumber` (Phone number), `notes` (Is there anything specific you'd like to cover during our call?), `If-you-selected--friend-colleague--or--other---please-tell-us-who-or-where-you-heard-about-us` (If you selected 'friend/colleague' or 'other', please tell us who or where you heard about us!), `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.