# Faster Builds, More Confidence - 15 min with Philip with Philip Riecks

> A zero-pitch 15-minute call about your Java project & build pipeline. You’ll leave with at least one concrete optimization you can ship next week, for a faster build and more trust in every green run. No slides. No sales deck.

- Host: Philip Riecks
- Duration: 15 min
- Location: Zoom Video, Google Meet
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/pragmatech/pragmatech-discovery
- Event type id: 7415375

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7415375&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": 7415375,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "What-s-your-current-average-build-time": "…",
    "How-many-developers-work-in-your-project-s": "…",
    "What-framework-are-you-using-the-most": "…",
    "On-a-scale-of-0-10--how-comfortable-would-you-be-deploying-on-a-Friday-afternoon": "…",
    "What-s-bothering-you-most-right-now": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `What-s-your-current-average-build-time` (What's your current average build time?), `How-many-developers-work-in-your-project-s` (How many developers work in your project(s)?), `What-framework-are-you-using-the-most` (What framework are you using the most?), `On-a-scale-of-0-10--how-comfortable-would-you-be-deploying-on-a-Friday-afternoon` (On a scale of 0–10: how comfortable would you be deploying on a Friday afternoon?), `What-s-bothering-you-most-right-now` (What's bothering you most right now?)
- Optional fields: `notes` (Additional notes), `guests` (Add Additional Guest (e.g. Team Lead))
- `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.