# CASParser 1:1 with Sameer Kumar

> I'm Sameer, the Creator of CASParser. I'll be happy to help with your contractual or technical questions. Make sure you've reviewed the following thoroughly ahead of our call - https://casparser.in/docs Want a quick answer? Write to sameer@casparser.in and we'll get back ASAP.

- Host: Sameer Kumar
- Duration: 20 min
- Location: Google Meet, Attendee phone number
- Host time zone: Asia/Kolkata
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/sameer-kumar/casparser-1-1-with-sameer
- Event type id: 302905

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=302905&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": 302905,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Company": "…",
    "Designation": "…",
    "smsReminderNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `Company` (Company), `Designation` (Designation), `email` (Email address), `smsReminderNumber` (Mobile Number (In case we need to reach you regarding the meeting)), `notes` (Please share anything that will help prepare for our meeting.)
- 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.
- `location` is optional; without it the booking uses the event’s first location.
- A successful response is a pending booking request.