# Discovery Call with Amyst Labs

> Hi there! I design and/or develop the Front End of products, like Mobile apps, Web apps, and Landing pages. I work a lot with businesses in areas like SaaS, Web3, and Fitness. My job is to help you make digital solutions that solve your problems. Whether you need a brand new product or want to make your current one better, I'm here to help make your ideas come to life and stand out from the crowd. I like doing things in the most human way possible, because before the product, there is a business owner that needs to be understood. Dimitar

- Host: Amyst Labs
- Duration: 30 min
- Location: Cal Video, Google Meet
- Host time zone: Europe/Paris
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/amyst-labs/30min
- Event type id: 721149

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=721149&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": 721149,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "title": "…",
    "linkWebsite": "…",
    "businessStage": "…",
    "helpService": "…",
    "budget": "…",
    "whatsAppNumber": "…",
    "howFindMe": "…",
    "otherInformations": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (What is your business name?), `linkWebsite` (Link to your current Website or App (if you have one)), `businessStage` (How developed is your agency?), `helpService` (How can I help you?), `budget` (What's your budget for this project?), `whatsAppNumber` (Please write your What's App number to make communication easier), `howFindMe` (How did you find me?)
- Optional fields: `otherInformations` (Other informations I might need to know?)
- `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.