spdx-2-3-schema-check

caution grade C Base found on x402scan confidence 0.36
https://market.561.group/v1/assurance/spdx-2-3/schema-check
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Advertised description
SPDX 2.3 JSON Schema diagnostics for your SBOM. Reports required/type/enum/extra-field issues. Historical schema permits wrong version/license/date/digest text, dangling IDs and absent namespace. Not full SPDX…Show more ▾Show less ▴SPDX 2.3 JSON Schema diagnostics for your SBOM. Reports required/type/enum/extra-field issues. Historical schema permits wrong version/license/date/digest text, dangling IDs and absent namespace. Not full SPDX conformance, inventory truth, signature verification or legal compliance; not 2.3.1/3.x. Invalid documents are paid diagnostics. Schema: SPDX Project, CC BY 3.0, unchanged: https://github.com/spdx/spdx-spec/blob/aadf3b0b8dbbabdb4d880b0fc714255fea436ff7/schemas/spdx-schema.json
(Provider-supplied: an unverified claim, not checked by us. The trust grade above is our independent measurement.)
30-day uptime
100.0%
Avg latency (EU)
1787 ms
slow · measured from a single EU vantage point; includes network round-trip distance to the endpoint; a geographically distant endpoint reads slower even when its server is fast, so it is only lightly weighted in the score
Confidence
0.36
full-density score
Advertised price
$0.05
USDC
Price stability
Stable
last 30 days
Probes (30d)
15
full record · up to 48/day
More details ▾
Endpoint ID333528
Pay on Base$0.05 USDC · to 0x3288…9B1a ↗
First seen2026-10-26
Last probed2026-10-29
Statuslisted
Snapshot computed2026-10-30 01:17 UTC (free snapshot, recomputed at least every 24h)
Why this verdict?1 warning
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 12 hours ago, refreshed at least every 24h). 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).