# Discovery Call with Sam Brown

> Here we get to know you, your business, and your goals so we can best support you.

- Host: Sam Brown
- Duration: 15 min
- Location: Google Meet
- Host time zone: Asia/Dubai
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/tiempo/discovery-call-a
- Event type id: 2843337

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2843337&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": 2843337,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "How-did-you-find-us": "…",
    "title": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `How-did-you-find-us` (How did you find us?)
- Optional fields: `guests` (Add guests), `title` (Notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.