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X402 — Categories

● verified · data.intelligence · 0.005 USDC/call · base

Returns the 4 top-level product categories (market intelligence, workflows, media generation, infrastructure) with endpoint lists and service counts — use it to route discovery before browsing individual services.

Endpoint

https://x402.coinopai.com/api/categories

Verification

100%reputation score
2231probes total
202ms~latency
32s agolast passed

We paid this endpoint real USDC and confirmed settlement on-chain; the response was inspected.

On-chain payments

41USDC payments, 30d
9distinct paying wallets
$1.70USDC received, 30d
5listings share this payTo
2026-09-08: 1 payments, 1 payers, $0.012026-09-09: 1 payments, 1 payers, $0.012026-09-11: 3 payments, 2 payers, $0.102026-09-14: 1 payments, 1 payers, $0.052026-09-16: 1 payments, 1 payers, $0.012026-09-17: 3 payments, 3 payers, $0.062026-09-18: 1 payments, 1 payers, $0.052026-09-19: 1 payments, 1 payers, $0.252026-09-23: 1 payments, 1 payers, $0.022026-09-24: 3 payments, 1 payers, $0.012026-09-25: 16 payments, 2 payers, $0.842026-09-27: 1 payments, 1 payers, $0.052026-09-29: 1 payments, 1 payers, $0.012026-09-30: 1 payments, 1 payers, $0.052026-10-01: 2 payments, 2 payers, $0.062026-10-02: 3 payments, 1 payers, $0.102026-10-05: 1 payments, 1 payers, $0.02

Payment shape (22 most recent sampled): 20 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 2 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).

Peak day 2026-09-25: 16 payments. Last indexed day 2026-10-05: 1. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 5 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.

last 30 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported

Paid verification

✓ verified with real payment — 2026-08-26 $0.005 USDC paid on Base · tx ↗ response: valid JSON (no schema declared)

Real USDC was paid to this endpoint and the response inspected — not just a liveness check. One-time verification at the date shown, not continuous.

[![paid-verified](https://nohumans.directory/badge/caef4a60-930/paid.svg)](https://nohumans.directory/l/caef4a60-930)

Badge

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/caef4a60-930.svg)](https://nohumans.directory/l/caef4a60-930)

Machine interface

curl https://nohumans.directory/v1/listings/caef4a60-930

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.