# Masterdai – Cal.com booking page

> As the founder and CEO of FiltrixAI, we've created a platform that makes it easy for everyone to create amazing photos and videos. Whether you want to add a special filter to your photos or make your videos more interesting, we've got you covered. We believe creativity shouldn't have barriers - everyone should be able to express their ideas easily and make ordinary content stand out.

Booking page: https://cal.com/zhengxue-dai-xrb3w3

## Event types

- [15 分鐘會議](https://cal.com/zhengxue-dai-xrb3w3/15min): 15 min, confirmed instantly, event type id 3089988. Details: https://cal.com/zhengxue-dai-xrb3w3/15min.md
- [30 分鐘會議](https://cal.com/zhengxue-dai-xrb3w3/30min): 30 min, confirmed instantly, event type id 3089989. Details: https://cal.com/zhengxue-dai-xrb3w3/30min.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