# Intro call with Tim with Tim Schreiber

> A 30-minute call with me, Tim. You tell me where your brand or website stands and what you need. I’ll tell you honestly whether I’m the right fit, how I’d approach it and what it would cost.

- Host: Tim Schreiber
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Vienna
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/timschreiber/30min
- Event type id: 6208380

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6208380&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": 6208380,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "company-website": "…",
    "How-would-you-like-to-work-with-me": "…",
    "What-do-you-need-help-with": "…",
    "How-did-you-hear-about-me": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `company-website` (Company website (or company name)), `How-would-you-like-to-work-with-me` (How would you like to work with me?), `What-do-you-need-help-with` (What do you need help with?)
- Optional fields: `guests` (Add guests), `How-did-you-hear-about-me` (How did you hear about me?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.