# [DISCOVERY] Is This the Right Fit? with Hashem Zahran

> A short call for founders who are curious but not ready to book a paid session yet. We’ll talk through where you are, what you’re trying to solve, and whether I’m the right person to help. This is not a strategy session or deck review. It’s a quick fit check so you can decide your next step with more confidence.

- Host: Hashem Zahran
- Duration: 30 min
- Location: Zoom Video
- Host time zone: Asia/Riyadh
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/hezahran/discovery
- Event type id: 5206911

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5206911&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": 5206911,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "attendeeLinkedinProfile": "…",
    "title": "…",
    "discuss": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `attendeeLinkedinProfile` (Your LinkedIn profile URL), `title` (What's your Startup / Business name?), `discuss` (Please share the problem you're facing or the topic you want to discuss during this session. That will help prepare for our meeting:)
- Optional fields: `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.
- A successful response is a pending booking request.