# chandrasekar G – Cal.com booking page

> Chandrasekar G

Software Architect | Solopreneur | Startup Builder

Creating products from idea to scale. Focused on software architecture, AI-powered solutions, and solving real-world problems through technology.

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

## Event types

- [30 min meeting](https://cal.com/humlens/30min): 30 min, confirmed instantly, event type id 5966806. Details: https://cal.com/humlens/30min.md
- [15 min meeting](https://cal.com/humlens/15min): 15 min, confirmed instantly, event type id 5966804. Details: https://cal.com/humlens/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