Billing & Payments

Payment Reminder

Dunning letter — overdue invoice reference, escalation level, days overdue, and how to pay.

The contract

Fields your API call provides. Amounts and totals are always computed by the caller — templates only format.

company.name	string	required
company.email	string	required
customer.name	string	required
due_date	string	required
amount_due	number	required
sender_name	string	required
days_overdue	number	required
invoice_date	string	required
reminder_date	string	required
invoice_number	string	required
escalation_level	string	required
payment_instructions	string	required

MCP-ready: forks of this template will expose generate_payment_reminder when the MCP server ships.

Generate it (after you fork & publish)

curl -X POST https://your-paperbrain-host/api/generate/gen_<your-id> \
  -H "Content-Type: application/json" \
  -d '{
    "company": {
      "name": "Northwind Consulting",
      "email": "billing@northwind.example"
    },
    "customer": {
      "name": "Dana Whitfield"
    },
    "due_date": "2026-05-18",
    "amount_due": 9500,
    "sender_name": "Ravi Mehta",
    "days_overdue": 23,
    "invoice_date": "2026-05-04",
    "reminder_date": "2026-06-10",
    "invoice_number": "INV-2039",
    "escalation_level": "Second notice",
    "payment_instructions": "You can pay by ACH to account 4471-002 (routing 021000021) or by card via the link on the invoice. Please reference INV-2039."
  }'

gen_<your-id>is your generator's id once you fork and publish. The body shown is this template's sample data — the exact shape the contract validates.