# Ansh Agarwal – Cal.com booking page

> Co-founder @Rematter

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

## Event types

- [Rematter](https://cal.com/bigansh/rematter): 30 min, requires the host’s confirmation, event type id 6195393. Want to talk 1-1 about Rematter? Book a call! Details: https://cal.com/bigansh/rematter.md
- [General](https://cal.com/bigansh/general): 15, 30 min, requires the host’s confirmation, event type id 114193. Want to talk 1-1 about anything? Book a call! Details: https://cal.com/bigansh/general.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