# Iter Labs – Cal.com booking page

> We put software to do the repetitive work — invoices, reports, follow-ups, collections — so your team does the work that actually needs a person.

Remote-first. We work US business hours (ET). Clients across Brazil and the United States.

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

## Event types

- [30 min meeting](https://cal.com/iterlabs/30min): 30 min, confirmed instantly, event type id 6226449. Details: https://cal.com/iterlabs/30min.md
- [15 min meeting](https://cal.com/iterlabs/15min): 15 min, confirmed instantly, event type id 6226447. Details: https://cal.com/iterlabs/15min.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