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avoid grade B Base Solana eip155:5042 Polygon Arbitrum eip155:143 eip155:480 eip155:10 eip155:42220 stellar:pubnet xrpl:0 found on CDP Bazaar found on thirdweb found on x402scan confidence 0.64
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Advertised description
Searches OpenAlex (CC0) for scholarly works: title, authors with institutions, year, venue, DOI, open-access PDF link, citation count, topic and abstract (max 2,000 characters). Filters: publication year range, open…Show more ▾Show less ▴Searches OpenAlex (CC0) for scholarly works: title, authors with institutions, year, venue, DOI, open-access PDF link, citation count, topic and abstract (max 2,000 characters). Filters: publication year range, open access only, minimum citations; sort by relevance, citations or date (citations and date search the words as one phrase). Limit max 25.
(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)
563 ms
moderate · 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
0.64
full-density score
Advertised price
$0.002
USDC
Price stability
Stable
last 30 days
Probes (30d)
34
full record · up to 48/day
More details ▾
Endpoint ID254444
Pay on Base$0.002 USDC · to 0xb849…eAfA ↗
Pay on Solana$0.002 USDC · to J8vnmB…RdhR ↗
Pay on eip155:50422000 units of 0x3600…0000 · to 0xb849…eAfA
Pay on Polygon$0.002 USDC · to 0xb849…eAfA ↗
Pay on Arbitrum$0.002 USDC · to 0xb849…eAfA ↗
Pay on eip155:1432000 units of 0x7547…b603 · to 0xb849…eAfA
Pay on eip155:4802000 units of 0x79A0…24d1 · to 0xb849…eAfA
Pay on eip155:102000 units of 0x0b2C…Ff85 · to 0xb849…eAfA
Pay on eip155:422202000 units of 0xcebA…118C · to 0xb849…eAfA
Pay on stellar:pubnet20000 units of CCW67T…MI75 · to GBIX2M…OAFI
Pay on xrpl:00.002 units of 524C55…0000 · to rDxNZC…f8UJ
Pay on xrpl:01589 units of XRP · to rDxNZC…f8UJ
First seen2026-10-15
Last probed2026-10-30
Statuslisted
Snapshot computed2026-10-30 07:29 UTC (free snapshot, recomputed at least every 24h)
Why this verdict?2 error flags1 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 under an hour 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).