# Discovery Call (30 Min) with Kalibrate Systems

> This is not a sales call. The purpose is to determine whether it makes sense to route introductions in your situation. If there’s no clear fit, we’ll know quickly and end the call early. Ready to take things to the next level? Apply now and let's build.

- Host: Kalibrate Systems
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Calcutta
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/kalibrate-systems-btviqi/discoverycall
- Event type id: 4452720

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4452720&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": 4452720,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "Company-Name": "…",
    "Website": "…",
    "Outcome": "…",
    "Monthly-Revenue": "…",
    "TargetRevenue": "…",
    "Problem": "…",
    "ExtraBookings": "…",
    "Qualification": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email Address), `Company-Name` (Company Name), `Website` (What's your webiste?), `Outcome` (What would be an ideal outcome for you from this call?), `Monthly-Revenue` (What is your current monthly recurring revenue?), `TargetRevenue` (What is your target monthly revenue?), `Problem` (What's stopping you from hitting your target monthly revenue?), `ExtraBookings` (How many extra bookings you can handle per month?), `Qualification` (Will you absolutely, 100% be able to make it to your selected time? If not, please select a different one (or don't schedule at all))
- 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.