# Ralf Thomas – Cal.com booking page > Coach & Advisor for IT Professionals** and Executives - I offer 1:1 Coaching to help you tackle Leadership and Transformation challenges with clear, practical guidance - based on 30 years of global Senior IT Leadership experience. My coaching is strictly confidential, practical, and experience-based. Expect no slides and no abstract theory - just focused guidance and next steps you can apply directly. The Session is conducted on Google Meet within a secure Google Workspace environment and is accessible via all major Web Browsers as well as Google Mobile Apps for iOS and Android. Sessions can be booked worldwide and paid easily via all major Credit cards, Apple Pay, or Google Pay - securely managed by Stripe. For more information visit my Website at: https://www.rth66.net/ or connect on LinkeIn Booking page: https://cal.com/ralf-thomas-rth66-net ## Event types - [Free 20 minute Introduction Call](https://cal.com/ralf-thomas-rth66-net/free): 20 min, confirmed instantly, event type id 4826125. This Free 20-minute Introduction Call is an opportunity to get to know each other and my way of working. You briefly outline your situation, challenges, and objectives, and I share how I typically approach coaching and advisory engagements. No payment required, no obligation - just a structured and honest initial conversation. Details: https://cal.com/ralf-thomas-rth66-net/free.md - [30 min Session - 49 €](https://cal.com/ralf-thomas-rth66-net/30min): 30 min, confirmed instantly, paid, event type id 4826124. 30-minute 1:1 Coaching and Advisory Session for IT Professionals & Executive. Upon payment, you will receive a Google Meet invitation which you can reschedule or cancel at any time for a full refund. Details: https://cal.com/ralf-thomas-rth66-net/30min.md - [60 min Session - 89 €](https://cal.com/ralf-thomas-rth66-net/60min): 60 min, confirmed instantly, paid, event type id 4826123. 60-minute 1:1 Coaching and Advisory Session for IT Professionals & Executive. Upon payment, you will receive a Google Meet invitation which you can reschedule or cancel at any time for a full refund. Details: https://cal.com/ralf-thomas-rth66-net/60min.md ## Check availability ```http GET https://api.cal.com/v2/slots?eventTypeId=&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone= cal-api-version: 2024-09-04 ``` The response is `{"data":{"YYYY-MM-DD":[{"start":""}]}}`; no API key is needed. ## Book Each event type's `.md` document lists its required booking fields and the `POST https://api.cal.com/v2/bookings` request (`cal-api-version: 2026-02-25`). ## More - API docs: https://cal.com/docs/api-reference/v2/introduction