# Design Discovery Call with Anirudh

> Have something you're building, fixing, or rethinking? Let's get into it. In 30 minutes, we'll talk about what you're working on. The challenges you're facing what you're trying to achieve. We'll explore where design could make a difference and whether working together makes sense. Good fit for: Digital products, websites, and ongoing design partnerships. No lengthy presentations. Just a focused conversation about your project.

- Host: Anirudh
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Kolkata
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/thatguywhodesigns/discovery-call
- Event type id: 1044541

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1044541&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": 1044541,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "help_with": "…",
    "project_challenge": "…",
    "website": "…",
    "start_timeline": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `help_with` (What would you like help with?), `project_challenge` (Tell me a little about your project or challenge.)
- Optional fields: `website` (What's your company or product website?), `start_timeline` (When are you hoping to get started?), `notes` (Additional notes), `guests` (Add guests)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.