# Marketing conversation with Omar Hashmy with Omar Hashmy

> Bring a marketing question you’re working through. You might be looking for more of the right customers, trying to understand why inquiries aren’t turning into sales, or deciding where to spend your marketing budget. We’ll talk through what you want to improve, what you’ve tried, and whether I can help. No reports or presentation needed beforehand.

- Host: Omar Hashmy
- Duration: 30 min
- Location: Google Meet
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/mirastra/lets-talk
- Event type id: 7897876

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7897876&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": 7897876,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (Additional notes), `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.