# Phone Consultation (30 min) with Birchtree Financial

> This option is best if you prefer a quick conversation by phone. We’ll discuss your questions, goals, or next steps without the need for video. Please ensure your phone number is entered correctly during booking so we can reach you at the scheduled time.

- Host: Birchtree Financial
- Duration: 30 min
- Location: Attendee phone number
- Host time zone: America/Edmonton
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/birchtreefinancial/phone-consultation-30-min
- Event type id: 4497250

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4497250&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": 4497250,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeePhone",
    "phone": "…"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "What-city-and-province-are-you-located-in---We-serve-clients-in-Alberta---across-Canada": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `attendeePhoneNumber` (Phone number), `What-city-and-province-are-you-located-in---We-serve-clients-in-Alberta---across-Canada` (What city and province are you located in? (We serve clients in Alberta & across Canada))
- Optional fields: `notes` (Additional notes)
- `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.