nbx4

nbx4.dev · x402

Analyze a Base Mainnet token contract: block-pinned owner(), ERC-1967 proxy slots, ERC-20 metadata, code hash, best-effort source match and prior-snapshot comparison when available. Free POST /v1/prepare returns report_id; paid GET /v1/report reads it for 0.01 USDC via x402. Not a security audit.

Name and description as published by x402 Bazaar

Live

Last successful check: 26 Oct 2026, 05:45 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

4 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Connect

https://nbx4.dev/v1/report

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 26 Oct, 05:59 UTC
Wallets named: 0x15dbec18a30457013c6a436ff25f607ef834c46cnamed by x402 Bazaar
Listed since: 25 Oct 2026, 17:51 UTC

Payments

different wallets paid it, last 30 days: 4
paid calls, last 30 days: 6
last paid call (UTC): 24 Oct, 20:32

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 26 Oct 2026, 05:59 UTC. addrbook has not counted these payments itself.

Its x402 endpoints have not listed a payment option addrbook could read yet.

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
nbx4.dev	x402	Live	26 Oct, 05:45	26 Oct, 05:45	100%	100%	—

Also listed as

Other entries that share an endpoint with this one.

nbx4.dev