# Chigra Bio – Cal.com booking page

> Chigra Bio turns biological age data into a clear, actionable plan. Book a session to discuss testing options, review your results, or map out your intervention protocol with our clinical team.

Booking page: https://cal.eu/chigra-bio

## Event types

- [Discovery call](https://cal.eu/chigra-bio/30min): 30 min, confirmed instantly, event type id 360930. Details: https://cal.eu/chigra-bio/30min.md
- [Programme Consultation](https://cal.eu/chigra-bio/consultation): 30 min, confirmed instantly, event type id 360929. Details: https://cal.eu/chigra-bio/consultation.md
- [Results Review](https://cal.eu/chigra-bio/results-review): 30 min, confirmed instantly, event type id 360928. Details: https://cal.eu/chigra-bio/results-review.md

## Check availability

```http
GET https://api.cal.eu/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.eu/v2/bookings` request (`cal-api-version: 2026-02-25`).

## More

- API docs: https://cal.eu/docs/api-reference/v2/introduction