5 agent-payable APIs. Every listing carries a tested call recipe - endpoint, auth shape, pricing, and known gotchas - on its detail page. paidpilot.io ↗
PaidPilot Invoice API: Late fee on an overdue invoice. Flat fee, monthly % or annual %, simple or compounding, with grace days. Returns days late, fee, new total and a paste-ready invoice line. Optional US state for the legal note. Not legal advice; state caps are NOT looked up.
PaidPilot Invoice API: Due date, status and early-pay discount for payment terms. Parses Net N, D/N Net M (e.g. 2/10 Net 30), Due on receipt, EOM, Net N EOM. Returns due date, days until due/overdue, discount amount and deadline, the annualized cost of skipping the discount, and suggested reminder dates.
PaidPilot Invoice API: Timesheet to invoice JSON. Time entries (hours x rate, optional per-entry rounding, grouping by description, expenses, tax, terms) become a validated invoice JSON with totals, ready to POST to /v1/invoice.pdf for the PDF.
PaidPilot Invoice API: Draft a payment reminder email (friendly, firm or final notice). Returns subject + plain-text body for an unpaid invoice, days overdue, the recommended tone and the next step. Template-based, deterministic. Draft only: this API never sends email.
PaidPilot Invoice API: Render one invoice PDF from JSON. Line items, tax, discount and totals computed server-side (integer minor units); 12 currencies; multi-page. Validate free first at POST /v1/invoice/validate.