# Hypnotherapy First Session: 60–90 minutes with Peter Jacobs

> Book your first cognitive behavioural hypnotherapy session. This session gives us time to understand what has been happening, clarify what you want to change, and begin working with practical tools tailored to your goals. Please allow up to 90 minutes for the first session. Payment is required to confirm the booking.

- Host: Peter Jacobs
- Duration: 90 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/90min
- Event type id: 7709310

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7709310&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": 7709310,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "title": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `title` (What would you like help with?)
- Optional fields: `notes` (Is there anything I should know before the session?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.