# Lead to Conversion Assessment with Leaderra

> Fifteen minutes, no deck. We look at where your leads go cold today — your response times, your channels, and the gap between a form fill and an actual human. Then we run the follow-up live on your own details so you see it work. You leave knowing what a booked meeting costs you now, and what it would cost with this running. If it isn't a fit, we'll tell you on the call.

- Host: Leaderra
- Duration: 15 min
- Location: Google Meet
- Host time zone: America/Argentina/Buenos_Aires
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/leaderracom/leads-to-conversion-intro
- Event type id: 6965396

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6965396&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": 6965396,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "Generate-Leads-Per-month": "…",
    "Main-Challanges": "…",
    "URL": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `Generate-Leads-Per-month` (Generate Leads Per month), `Main-Challanges` (Main Challenges)
- Optional fields: `URL` (What is your website url)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.