# Initial conversation with The Builtwell Agency

> A practical conversation about your business, how customers currently find and choose you, and what should happen next. If one of the Sprints appears to be a sensible fit, we’ll explain which one and why. If neither is, we’ll say so.

- Host: The Builtwell Agency
- Duration: 30 min
- Location: Attendee phone number
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/thebuiltwellagency/conversation
- Event type id: 6815969

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6815969&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": 6815969,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeePhone",
    "phone": "…"
  },
  "bookingFieldsResponses": {
    "Business-name": "…",
    "What-would-be-most-useful-to-discuss": "…",
    "Website": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Business-name` (Business name), `What-would-be-most-useful-to-discuss` (What would be most useful to discuss?)
- Optional fields: `Website` (Website)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `location` is required: `location.phone` is the attendee’s own.