# Jason Caldeira – Cal.com booking page

> Caldeira Co.™ Branding & Design
Chicago, Illinois

Small Business Branding for Small Business Brands.

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

## Event types

- [15-Minute Meeting (Phone)](https://cal.com/caldeiraco/15min): 15 min, confirmed instantly, event type id 789170. Details: https://cal.com/caldeiraco/15min.md
- [Free Brand Consultation (Video)](https://cal.com/caldeiraco/15-minute-free-brand-consultation): 15 min, confirmed instantly, event type id 894895. 15 minutes to help get your brand in order. No commitments, no relentless followups. Details: https://cal.com/caldeiraco/15-minute-free-brand-consultation.md
- [30-Minute Meeting (Video)](https://cal.com/caldeiraco/30min): 30 min, confirmed instantly, event type id 714324. Details: https://cal.com/caldeiraco/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