x402-json-compat-check

unverified grade ? Base found on thirdweb found on PayAI found on x402scan confidence 0.30
https://x402-catalog-history.ai-business-surface.workers.dev/compat
Advertised description
Catch a breaking schema change before it reaches production: post one {schema, actual} JSON pair and get a compatibility report with an RFC 6901 JSON Pointer to every mismatch, the keyword that failed and the expected…Show more ▾Show less ▴Catch a breaking schema change before it reaches production: post one {schema, actual} JSON pair and get a compatibility report with an RFC 6901 JSON Pointer to every mismatch, the keyword that failed and the expected vs actual value. One POST, one report, supported keywords only, no upstream call. A purchase is two calls by design: this first call returns 402 with the price and the payment terms, and you then repeat the same request with the PAYMENT-SIGNATURE header to receive the 200 delivery.
(Provider-supplied: an unverified claim, not checked by us. The trust grade above is our independent measurement.)
30-day uptime
0.0%
Avg latency (EU)
—
Confidence
0.30
full-density score
Advertised price
—
not advertised
Price stability
2 changes
last 30 days
Probes (30d)
82
full record · up to 48/day
More details ▾
Endpoint ID238578
Pay on Base$0.02 USDC · to 0x6f60…89c3 ↗
First seen2026-10-13
Last probed2026-10-29
Statuslisted
Snapshot computed2026-10-29 15:35 UTC (free snapshot, recomputed at least every 24h)
Why this verdict?2 warnings
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 20 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).