An overdue client invoice → a series of reminder emails with an escalating tone and a ready-made payment link. The first email is free.
Only fill this in if it's actually in your contract or invoice terms. We'll only mention a late fee in the emails if you put one here — never a made-up one.
Your invoice details are sent to Claude (Anthropic) to draft the emails and to Stripe to create the payment link — never shared beyond that.