# Intro Call with corrode Rust Consulting

> A free call to discuss your Rust learning goals. We'll cover: • Your background and current Rust experience • What you want to achieve with Rust • How the mentoring program works • Any questions you have No obligation, no sales pressure. Just a conversation to see if we're a good fit.

- Host: corrode Rust Consulting
- Duration: 30 min
- Location: Cal Video, Jitsi Video
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/corrode/intro-call
- Event type id: 4448545

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4448545&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": 4448545,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "background": "…",
    "experience": "…",
    "goals": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `background` (What's your programming background?), `experience` (How would you describe your current Rust experience?), `goals` (What do you want to achieve with Rust?)
- Optional fields: `guests` (Add guests), `notes` (Additional notes)
- `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.