# Requirements Call with VertoLaunch with Shibangsh C

> Requirements Call with VertoLaunch

- Host: Shibangsh C
- Duration: 20 min
- Location: Zoom Video
- Host time zone: Asia/Bangkok
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/shibangshc/requirements-call
- Event type id: 526628

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=526628&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": 526628,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Your-Phone": "…",
    "What-best-describes-you": "…",
    "What-do-you-need-help-with---Select-all-that-apply": "…",
    "notes": "…",
    "Do-you-have-a-budget-range": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Your-Phone` (Your Phone), `What-best-describes-you` (What best describes you?), `What-do-you-need-help-with---Select-all-that-apply` (What do you need help with? (Select all that apply)), `notes` (Please describe your requirements), `Do-you-have-a-budget-range` (Do you have a budget range?)
- Optional fields: `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.