# Design with Nathan – Cal.com booking page

> Welcome to my Cal !** 🇫🇷 🇺🇸
Here, you can book a free session with me to discuss your needs.
Please pick the session that suits you best below.
Having an issue? Visit this page to get in touch with me.

Booking page: https://cal.com/design-with-nathan

## Event types

- [☎️ Call Découverte Gratuit / Free Discovery Call](https://cal.com/design-with-nathan/discovery): 15, 30 min, confirmed instantly, event type id 2101005. Un échange rapide pour faire connaissance, comprendre vos besoins, et voir comment nous pouvons créer ensemble quelque chose de fort. –– A quick chat to get to know each other, understand your needs, and explore how we can create something meaningful together. Details: https://cal.com/design-with-nathan/discovery.md
- [🎖️ NTKB Client](https://cal.com/design-with-nathan/ntkb-client): 15, 30, 45, 60 min, confirmed instantly, event type id 3492489. Cet espace est réservé aux clients NTKB que j’accompagne déjà. Choisissez simplement un créneau pour planifier notre prochain rendez-vous Google Meet. –– This space is reserved for NTKB clients I’m already working with. Simply pick a time slot to schedule our next Google Meet. Details: https://cal.com/design-with-nathan/ntkb-client.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