15, 30 min meeting with Andreas Möller over Whereby Video.
Available times, from the public API (header cal-api-version: 2024-09-04; add start, end and timeZone): https://api.cal.com/v2/slots?eventTypeId=284467
Booking instructions for AI agents: https://cal.com/localheinz/updating-from-unsupported-to-supported-php-versions.md