# Discovery Call with Nim Balachandran

> In addition to providing a quote for your Corporate Tax Filing, we will discuss opportunities and understand how our collaboration could contribute to mutual growth and success during this call. This is a chance to learn more about our vision, our values, and how we could work together to achieve common goals. Looking forward to our productive conversation.

- Host: Nim Balachandran
- Duration: 15 min
- Location: Attendee phone number, Cal Video, Google Meet
- Host time zone: America/Toronto
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/nim.bala/t2
- Event type id: 1968918

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1968918&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": 1968918,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "location": {
    "type": "attendeePhone",
    "phone": "…"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `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.
- `location` is required: `location.phone` is the attendee’s own.