# Nathan Hall – Cal.com booking page

> Founder of Lefty Media Co, Kansas City. I think in patterns, and here's the one that matters right now: people ask AI who to hire before they ask anyone else. I make sure that answer is you. Grab a time and I'll show you exactly where you stand today.

Booking page: https://cal.com/nathanhall-lefty

## Event types

- [Meeting with Lefty](https://cal.com/nathanhall-lefty/meeting-with-lefty-30-min): 30 min, requires the host’s confirmation, event type id 6279543. A time to talk about anything Lefty or AI Details: https://cal.com/nathanhall-lefty/meeting-with-lefty-30-min.md
- [Meeting with Lefty](https://cal.com/nathanhall-lefty/meeting-with-lefty): 60 min, requires the host’s confirmation, event type id 6279541. A time to talk about anything Lefty or AI Details: https://cal.com/nathanhall-lefty/meeting-with-lefty.md
- [Free AI Visibility Scan + Demo](https://cal.com/nathanhall-lefty/working-session): 90 min, requires the host’s confirmation, event type id 5933924. A free, no-cost look at how AI assistants like ChatGPT, Claude, and Perplexity see your business right now. We run a live scan, show you whether AI knows you and whether it picks you, and walk you through exactly where you stand and what is possible. No pitch, just your real picture. Details: https://cal.com/nathanhall-lefty/working-session.md
- [White-Label Partner Chat](https://cal.com/nathanhall-lefty/strategy): 45 min, requires the host’s confirmation, event type id 5933857. For agencies, marketers, and consultants. We power AI discoverability, GEO and Pick Rate, under your brand so you can offer it to your clients without building it yourself. Let's see if our lanes fit. Details: https://cal.com/nathanhall-lefty/strategy.md

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=<event type id>&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

Each event type's `.md` document lists its required booking fields and the `POST https://api.cal.com/v2/bookings` request (`cal-api-version: 2026-02-25`).

## More

- API docs: https://cal.com/docs/api-reference/v2/introduction