# HiCustomers Success Call with HiCustomers

> HiCustomers provides the talent and infrastructure to scale your operations. On this call, we will identify your immediate bottlenecks. We Build & Manage: 24/7 Support Operations Customer Success Engines Retention & Win-Back Systems Onboarding Workflows Knowledge Bases Ticket Deflection Systems For the most accurate diagnostic, we’ll be looking at the math. Please have your current ticket volume, MRR, and churn rate handy.

- Host: HiCustomers
- Duration: 20, 45 min
- Location: Google Meet
- Host time zone: Asia/Karachi
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/cs-audit/20mins
- Event type id: 6217724

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6217724&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": 6217724,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 20,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Company-Name": "…",
    "attendeePhoneNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Company-Name` (Company Name)
- Optional fields: `attendeePhoneNumber` (Phone number), `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 20, 45; pass the same value to the slots request as `duration`.