Yes. The Free package needs no card and has a small daily allowance.
You are told clearly and can wait for the 5-hour window to reset, or upgrade. There is also a weekly cap.
Yes. Paid packages include an OpenAI-compatible API. Use your SPLICE key with base URL https://api.splice.hostingswift.com/v1 wherever an app asks for an OpenAI key.
No. For risky steps it stops and shows you Proceed or Not now.
Use Refill in Billing to deposit balance. Invoices and receipts are emailed with a PDF.
Yes, with per-person permissions.
Open a ticket from Contact. Sales and Abuse accept guests; Billing and Support need a verified account.
Yes. If a renewal cannot be paid you get notices and a 3-day grace period before dropping to Free.