# 21-Day Install Call with Iker Lopez

> 1:1 on video, 45 minutes. We look at your current numbers (posts, comments and DMs, leads, calls booked) and show you exactly what we'd install in your business: the system that turns your content into booked calls, live in 21 days, and how you'll run it.

- Host: Iker Lopez
- Duration: 45 min
- Location: Google Meet
- Host time zone: Europe/Madrid
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/ikerinfo/acquisition-fix-session
- Event type id: 7330979

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7330979&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": 7330979,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "business-link": "…",
    "business-type": "…",
    "monthly-revenue": "…",
    "current-acquisition": "…",
    "main-problem": "…",
    "timeline": "…",
    "decision-maker": "…",
    "investment": "…",
    "recording-consent": "…",
    "paid-services-ack": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `business-link` (Your Instagram), `business-type` (What best describes your business?), `monthly-revenue` (How much is your business making a month?), `current-acquisition` (How do customers find you today?), `main-problem` (What's the main problem with your customer acquisition right now?), `timeline` (How soon do you want to fix it?), `decision-maker` (Are you the one who decides on investments in the business?), `investment` (If we can help you, how much could you invest?), `recording-consent` (The call is recorded and may be posted as content. How should we show you?), `paid-services-ack` (Keep in mind that although this is a free strategy call, if we can help you we will offer you our paid services.)
- Optional fields: none
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.