Marketplace · API · x402

api.paidpilot.io/v1/late-fee

Calculate a late fee on an overdue invoice. $0.01 USDC on Base per call. Flat, monthly % or annual %, simple or compounding, with grace days. Returns days late, fee, new total and a paste-ready invoice line. Don't use this for legal advice; state caps are not looked up.

Endpoint	`https://api.paidpilot.io/v1/late-fee`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~553 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x2dAF658B01e257206375798a15832E9f547D65dD
method	POST
last updated	2026-11-01T16:21:00.216Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.paidpilot.io/v1/late-fee
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-954309768bd64d7a

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

api.paidpilot.io/v1/payment-terms
API

api.paidpilot.io/v1/late-fee

Use it

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