# Discovery Call with Joe Bloxsome

> A 30-minute call to work out what you need built. Come with the problem rather than a spec — we will tell you what it would take, roughly what it costs, and whether we are the right fit. No pitch.

- Host: Joe Bloxsome
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/joe-bloxsome-ysb6zi/discovery-call
- Event type id: 6562585

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6562585&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": 6562585,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "existing-system": "…",
    "deadline": "…",
    "budget": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `existing-system` (Does anything exist already?), `deadline` (Is there a date that matters?), `budget` (Rough budget), `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.