# Codein Developers – Cal.com booking page

> Book a meeting with Codein Developers on Cal.com.

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

## Event types

- [Secret Meeting](https://cal.com/codeindevelopers/secret): 5, 15, 30, 80 min, confirmed instantly, event type id 1576702. Details: https://cal.com/codeindevelopers/secret.md
- [Book a Meeting](https://cal.com/codeindevelopers/book): 5, 15, 45, 75, 90 min, confirmed instantly, event type id 1576703. Details: https://cal.com/codeindevelopers/book.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