# Discovery with John Philpin

> This is a 1-hour discovery session for you to meet with John, discuss your goals, explore potential areas of collaboration, and gain insights into how our expertise might support your objectives. Feel free to share your priorities, challenges, and any specific outcomes you hope to achieve. This session is designed to be a starting point for uncovering mutual opportunities and setting the stage for a productive partnership.

- Host: John Philpin
- Duration: 60 min
- Location: Cal Video
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/jphilpin/discovery
- Event type id: 1350209

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1350209&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": 1350209,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "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.