# Olivia Koleczek – Cal.com booking page

> Book a meeting with Olivia Koleczek on Cal.com.

Booking page: https://phlo-bio.cal.com/hello

## Event types

- [1:1 Biology Session](https://phlo-bio.cal.com/hello/1-1-biology-session): 60 min, confirmed instantly, paid, event type id 345952. A one hour online lesson with Olivia, founder of Phlo and an AQA biology specialist. We work on whatever is actually costing marks, which is usually exam technique on the longer questions rather than re-teaching content you already know. Payment is taken at booking and you can reschedule up to 24 hours before. Details: https://phlo-bio.cal.com/hello/1-1-biology-session.md
- [Free Consultation](https://phlo-bio.cal.com/hello/free-consultation): 15 min, confirmed instantly, event type id 345948. Details: https://phlo-bio.cal.com/hello/free-consultation.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