Billing and contract

• What is a “service request”?
• Is it possible to pay my hosted Zammad instance by invoice?
• How do I get a Data Processing Agreement ("DPA")?
• What does "billing per agent" mean?
• Can I choose different subscription levels per user?
• How do I turn a test version into a paid version?
• Changes with Zammad 7.0 - What does this mean for my existing subscription?
• Pricing Modell of "Zammad AI" (Hosted by Zammad GmbH)