# Nathan Aston – Cal.com booking page

> Book a 1:1 Call

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

## Event types

- [30 Minute Consultation](https://cal.com/nathaston/30-minute-consultation): 30 min, confirmed instantly, paid, event type id 4260613. Details: https://cal.com/nathaston/30-minute-consultation.md
- [60 Minute Consulting](https://cal.com/nathaston/60-minute-consulting): 60 min, confirmed instantly, paid, event type id 4260615. Details: https://cal.com/nathaston/60-minute-consulting.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