# Shamim Hossain – Cal.com booking page

> Full-stack Developer (10+ years) | Founder & CTO at shamscorner LLC | Building SaaS Factory Framework “Code with Shamscorner” | Teaching web development for free (ping me) | Data Mining & AI explorer | Love playing football.

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

## Event types

- [90 Min Meeting](https://cal.com/shamscorner/90-min-meeting): 90 min, confirmed instantly, event type id 3801864. A 90 minutes long meeting to understand and go deep concepts. Details: https://cal.com/shamscorner/90-min-meeting.md
- [15 Min Meeting](https://cal.com/shamscorner/15min): 15 min, confirmed instantly, event type id 3801815. A quick video meeting to get introduced. Details: https://cal.com/shamscorner/15min.md
- [30 Min Meeting](https://cal.com/shamscorner/30min): 30 min, confirmed instantly, event type id 3801816. A relatively quick 30 minutes meeting to understand your Idea. Details: https://cal.com/shamscorner/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