# Trial Session with Izrael Rothenberg

> During this 30-minute trial session, I’ll get to know your child, assess their current skills, and identify areas where they may need additional support. Afterward, we’ll review my observations, discuss your child’s learning needs, and explore recommended next steps.

- Host: Izrael Rothenberg
- Duration: 30 min
- Location: Online
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/brainytutor/trial-session
- Event type id: 7914404

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7914404&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": 7914404,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "What-is-your-child-s-first-name": "…",
    "What-grade-is-your-child-currently-in": "…",
    "Which-subject-would-you-like-help-with": "…",
    "Is-there-anything-else-you-d-like-me-to-know-before-the-trial-session": "…",
    "attendeePhoneNumber": "…",
    "smsReminderNumber": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `What-is-your-child-s-first-name` (What is your child's first name?), `What-grade-is-your-child-currently-in` (What grade is your child currently in?), `Which-subject-would-you-like-help-with` (Which subject would you like help with?), `Is-there-anything-else-you-d-like-me-to-know-before-the-trial-session` (Is there anything else you'd like me to know before the trial session?)
- Optional fields: `attendeePhoneNumber` (Phone number), `smsReminderNumber` (Phone number (Text notifications))
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.