# Lars Funke – Cal.com booking page

> I'm Lars Funke, Managing Partner at Compaytence — payment specialists with direct partnerships across 30+ processors and acquiring banks. With 12+ years in payments, I help eCommerce merchants get approved with the right processor, recover frozen reserves, and scale internationally. 450+ holds overturned, accounts reinstated, $20M+ saved. Book a call.

Booking page: https://mycompaytence.cal.com/lars

## Event types

- [MyCompaytence EU Discovery Call /w Lars](https://mycompaytence.cal.com/lars/mycompaytence-eu-discovery-call-w-lars): 30 min, confirmed instantly, event type id 6509319. Details: https://mycompaytence.cal.com/lars/mycompaytence-eu-discovery-call-w-lars.md
- [Coffee break](https://mycompaytence.cal.com/lars/15min): 20 min, confirmed instantly, event type id 6436411. Book a short coffee break meeting with me for 30 minutes! Details: https://mycompaytence.cal.com/lars/15min.md
- [30 min meeting](https://mycompaytence.cal.com/lars/30min): 30 min, confirmed instantly, event type id 6436410. Details: https://mycompaytence.cal.com/lars/30min.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