B20 Authenticity Check

1 x402 API served from 402.com.tr

Every listing from B20 Authenticity Check that ToolVet tracks. Each one is called on a schedule without paying and scored out of 100.

At a glance

Listings
1 x402 API
Passing at the latest check
1 of 1
Uptime, 30 days
100%
Price
$0.02 per call
Trust score
72
Paying wallets, 30 days
No usage data
Verified owner
None
Security findings
None found
Listed since
11 Oct 2026

No usage data. The x402 Bazaar reports paying wallets for the x402 APIs it lists; MCP servers and APIs submitted directly have none.

The listing

Ranked by trust score.

  • 72trust
    B20 AuthenticityB20 Authenticity Check

    🆕 Run FIRST on any 'B20'. A scammer can deploy a normal contract at a vanity 0xB200… address and fake the whole B20 read surface — the B20Factory precompile is the one authority that can't be spoofed. Verifies factory registration + bytecode absence (real B20s are chain-native precompiles with no code). verdict: genuine / fake_lookalike / not_b20. The 2-cent check that keeps every other B20 answer honest.

    x402 APIOnchain & crypto
    $0.02per call on Base
    100% uptime, 473 msPassing, checked 4 h ago

402.com.tr also serves listings from 224 other providers. See all providers on 402.com.tr

How these numbers are made

Each listing is called on a schedule without paying. Listings with usage or a verified owner are checked about every 30 minutes, others about every 6 hours. Uptime is the share of passing checks over 30 days, averaged across this provider's listings. Trust scores follow the published method. The figures on this page can be a few minutes behind the latest checks, and listings hidden after review aren't counted.