x402 census · api.paidpilot.io · df2918abeb1f · JSON
POST /v1/late-fee
gone
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.
Verdict: dead listing. 404/410: gone.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://api.paidpilot.io/v1/late-fee |
| Method | POST |
| Price | $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x2dAF658B01e257206375798a15832E9f547D65dD |
| Seller | api.paidpilot.io |
| Catalogs | cdp (row updated 2026-10-24), payai (row updated 2026-10-24) |
| Listed since (lower bound) | 2026-10-24 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-24 |
| CDP quality counters | 5 calls and 2 unique payers in 30 days, last call 2026-10-24 (catalog-reported, not verified on chain) |
| Category (keyword rule) | other/unknown |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | PaidPilot Invoice API · late-fee, interest-calculator, overdue-invoice, billing |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:32:53.641Z |
| HEAD | 404 |
| GET | 404 |
| Verdict | gone 404/410: gone |
| 402 carried in | n/a |
| x402Version in the 402 | n/a |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Live payTo equals catalog payTo | not comparable |
| extensions.bazaar in the 402 | no |
| PAYMENT-REQUIRED header | no |
| WWW-Authenticate offer | none |
| Content type / server / CORS | application/json / cloudflare / none |
| Latency | 456 ms |
| Error | none |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Settlement history | unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"amount": 1610.35,
"as_of": "2026-10-11",
"compounding": false,
"currency": "USD",
"due_date": "2026-09-01",
"fee_type": "monthly_percent",
"grace_days": 5,
"rate_percent": 1.5,
"state": "NE"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example_truncated": true,
"chars": 841
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.paidpilot.io/v1/late-fee' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'
The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/df2918abeb1f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"df2918abeb1f"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.paidpilot.io.