# William Goldberg – Cal.com booking page

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Booking tool for for either online or in-person meeting.

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Depending on the context of the meeting it will be moved to the relevant calendar.

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Looking forward to catching up with you!

Booking page: https://cal.com/william-goldberg-mmzzbe

## Event types

- [in person meeting](https://cal.com/william-goldberg-mmzzbe/in-person): 30, 60, 90, 120 min, confirmed instantly, event type id 5576253. Details: https://cal.com/william-goldberg-mmzzbe/in-person.md
- [online meeting](https://cal.com/william-goldberg-mmzzbe/online): 15, 30, 45, 60, 90, 120 min, confirmed instantly, event type id 5576238. Details: https://cal.com/william-goldberg-mmzzbe/online.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