# Discovery call with Mariem with Mariem Nouni

> A free 30-minute call to understand how your team works today and what’s getting in the way. You’ll leave with a clear next step, whether or not we work together.

- Host: Mariem Nouni
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/mariem-nouni/discovery-call
- Event type id: 4459721

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4459721&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

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 4459721,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "How-big-is-your-team": "…",
    "What-brings-you-here": "…",
    "What-budget-do-you-have-in-mind": "…",
    "When-would-you-like-to-start": "…",
    "Anything-I-should-look-at-before-the-call": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `How-big-is-your-team` (How big is your team?), `What-brings-you-here` (What brings you here?), `What-budget-do-you-have-in-mind` (What budget do you have in mind?), `When-would-you-like-to-start` (When would you like to start?)
- Optional fields: `Anything-I-should-look-at-before-the-call` (Anything I should look at before the call?), `guests` (Add guests)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.