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k2so.wrong.systems/api/services/pre-payment-credential-pre-registration-checklis
Advertised description
(Provider-supplied: an unverified claim, not checked by us. The trust grade above is our independent measurement.)
Agent-facing decision procedure for verifying that a separate API key or credential is actually registered and accepted by an x402 merchant BEFORE the first paid call. Rooted in the loyalspark case: charged 0.002 USDC,…
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Agent-facing decision procedure for verifying that a separate API key or credential is actually registered and accepted by an x402 merchant BEFORE the first paid call. Rooted in the loyalspark case: charged 0.002 USDC, then rejected the request with HTTP 400 because the rwk_ API key was not separately registered. Checks: locate and read the credential registration endpoint from the merchant contract, confirm key format and scope against documented expectations, run a free registration or
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Limited data. We have not probed this endpoint enough in the last 30 days to characterize it reliably. Treat the grade below as provisional.
30-day uptime
—
not probed
Avg latency (EU)
—
Confidence
0.00
full-density score
Advertised price
—
not advertised
Price stability
Stable
last 30 days
Probes (30d)
—
full record · up to 48/day
More details ▾
| Endpoint ID | 109396 |
| Pay on Base | $0.002 USDC · to 0xc85f…0604 ↗ |
| First seen | 2026-08-13 |
| Last probed | — |
| Status | delisted |
| Delisted at | 2026-08-14 |
| Snapshot computed | 2026-08-13 09:35 UTC (free snapshot, recomputed at least every 24h) |
A wallet payment page opens first; approve the USDC payment and the full JSON report loads right in your browser. Want a taste first? Read a free full sample report.
This page is the free cached snapshot (computed 1878 hours ago). Here's what the paid API adds.
✓Live re-probe at decision time
The score is computed the moment you ask, not up to 24h ago.✓Instant snapshot refresh
Every paid call rewrites this page, the badge and the card immediately.✓The full “why”, machine-readable
Confidence band, component breakdown, every risk flag with its evidence.✓On-chain settlement proof
Real USDC volume and distinct payers behind the pay-to wallet.✓90-day raw history
Every listing, price and payTo change, every probe result.✓Ranked better alternatives
Higher-scored endpoints serving the same function, when they exist.✓Change & liveness alerts
PayTo/price moves, spec regressions, downtime; 5-minute probes while watched.
$
npx -y x402-trust-mcpGive your agents the tools to do all of this for you, with one install. Agents use the x402_trust_score MCP tool or POST /v1/x402-trust directly (pay-per-call over x402, from $0.005).