# Discovery Call with Sai Santosh Kumar

- Host: Sai Santosh Kumar
- Duration: 15 min
- Location: Google Meet
- Host time zone: America/Chicago
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/replixlab/15min
- Event type id: 2881389

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=2881389&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": 2881389,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "referral_source": "…",
    "business_url": "…",
    "monthly_budget": "…",
    "desired_outcome": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `referral_source` (How did you hear about us?), `business_url` (What is the URL of your business, website, or social channel?), `monthly_budget` (What is your monthly budget for this project?), `desired_outcome` (What specific result are you trying to achieve in the next 60–90 days?)
- 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.