# Payor Transparency – Cal.com booking page

> Thanks for reaching out! Looking forward to speaking with you.




PayorTransparency provides the leading and most affordable Competitive Bid rate analytical platform. We also provide custom code tracking for speciality medical distribution products and medical practices. Send us which codes you want to track and we'll enable them through our award-winning analytical platform.

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

## Event types

- [30 min meeting](https://cal.com/payortransparency/30min): 30 min, confirmed instantly, event type id 6619262. Details: https://cal.com/payortransparency/30min.md
- [15 min meeting](https://cal.com/payortransparency/15min): 15 min, confirmed instantly, event type id 6619260. Details: https://cal.com/payortransparency/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