# Lasting Change package - 8 sessions with Peter Jacobs

> Change what happens next. 8 Sessions for comprehensive, long-term change. For those people looking to make significant, sustained shifts with issues which are more deep rooted.

- Host: Peter Jacobs
- Duration: 60 min
- Location: Google Meet
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/peter-jacobs-hypnotherapy/lasting-change-package-8-sessions
- Event type id: 7709309

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7709309&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": 7709309,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "title": "…",
    "attendeePhoneNumber": "…",
    "notes": "…",
    "Outcome": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (What sport or performance area would you like support with?)
- Optional fields: `attendeePhoneNumber` (Phone number), `notes` (What is the main issue you want to improve?), `Outcome` (What would you like to be different by the end of the 4 sessions?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.