# Website Strategy Call with Emmanuel E.

> A free 15-minute call to talk about your business, what’s holding back your bookings, and how a website built to sell can change that. No obligation, no hard sell, just clarity on what you need.

- Host: Emmanuel E.
- Duration: 15, 20, 30 min
- Location: Link meeting
- Host time zone: Africa/Lagos
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/emmanuel.e/15min
- Event type id: 7662212

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7662212&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": 7662212,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 15,
  "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.
- `lengthInMinutes` picks one of 15, 20, 30; pass the same value to the slots request as `duration`.