# Ethan Zaruba-Walker – Cal.com booking page

> Builder of AI-first systems that help businesses scale with intention.

Booking page: https://cal.com/ezwalk

## Event types

- [AI Strategy](https://cal.com/ezwalk/ai-strategy): 60 min, requires the host’s confirmation, event type id 3117315. Details: https://cal.com/ezwalk/ai-strategy.md
- [Sail](https://cal.com/ezwalk/sail): 120 min, requires the host’s confirmation, event type id 5146073. lets go sailing ☀️ 🌬️ ⛵️ (up to 10 people) Details: https://cal.com/ezwalk/sail.md
- [Market Sense Demo](https://cal.com/ezwalk/market-sense-demo): 15 min, confirmed instantly, event type id 3388388. See how MarketSense can put your marketing on autopilot Details: https://cal.com/ezwalk/market-sense-demo.md
- [MarketSense Onboarding](https://cal.com/ezwalk/marketsense-onboarding): 60 min, confirmed instantly, event type id 4488359. We'll have a conversation about your brand and your objectives. Our AI Agents will turn that into marketing campaigns and content guidance. Details: https://cal.com/ezwalk/marketsense-onboarding.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