# New Formulation Client Consultation with Dr. Julian Sass

> This Private Project Consultation is for those seeking to hire me as their Cosmetic Chemist. During our call, we'll explore your custom formulation and product development needs. Please be ready to discuss your formula or concept, deadlines, and collaboration expectations. I look forward to learning about your project and how I can help launch your new product. Note that the booking fee will count towards a deposit for any future formulation services booked.

- Host: Dr. Julian Sass
- Duration: 60 min
- Location: Google Meet, Custom attendee location
- Host time zone: America/New_York
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/drjuliansass/new-client-consultation
- Event type id: 2552072

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2552072&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": 2552072,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "title": "…",
    "product-type": "…",
    "CM": "…",
    "packaging": "…",
    "ideal-launch-date": "…",
    "number-of-units": "…",
    "benchmark": "…",
    "key-ingredients": "…",
    "countries": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (What is your Company or Brand name?), `product-type` (What type of product are you looking to develop? (Be mindful there not yet an NDA in place)), `CM` (Do you have a contract manufacturer? If so, what is the company name?), `packaging` (What packaging will your product(s) be sold in? Please be as detailed as possible.), `ideal-launch-date` (What month and year do you want your product in final packaging and available to purchase?), `number-of-units` (How many units are you planning to produce during your first production run?), `benchmark` (Are there similar products to what you want to create in color, odor, and texture? List any.), `key-ingredients` (Are there any "must have" ingredients you would like in your formula(s)?), `countries` (Where will you be selling your product(s)? Please list any and all countries.)
- Optional fields: `guests` (Add guests), `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 optional; without it the booking uses the event’s first location.
- A successful response is a pending booking request.