#  Aaron Patience-Davies – Cal.com booking page

> Hi, I'm Aaron, Founder at 13 Times. I look forward to meeting with you!

Booking page: https://cal.com/13times-aaron

## Event types

- [45min-call](https://cal.com/13times-aaron/45min-call): 45 min, confirmed instantly, event type id 7397505. Details: https://cal.com/13times-aaron/45min-call.md
- [Discovery Call](https://cal.com/13times-aaron/discovery-call): 30 min, confirmed instantly, event type id 5051508. A quick video meeting. Details: https://cal.com/13times-aaron/discovery-call.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