chain.
chain.
Get the verified contract ABI and verification metadata for a deployed contract by address, sourced from Sourcify. Returns the contract ABI (to decode or call it), contract name, compiler/language, match type, and proxy resolution (is-proxy plus implementation addresses). Supports Ethereum, Base, Arbitrum, Optimism, Polygon. Unverified contracts return `verified:false`. Live reads with cache fallback.
Live
Last successful check: 26 Oct 2026, 07:37 UTC.
- answered, last 24 hours
- 100%
- answered, last 30 days
- 100%
2 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments
How addrbook checks →Connect
https: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 UTC
- Wallets named
- 0xb3f4de103f34b99f0da19b4f16d6b53a14c2194anamed by x402 Bazaar
- Listed since
Payments
- different wallets paid it, last 30 days
- 2
- paid calls, last 30 days
- 4
- last paid call (UTC)
As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read . addrbook has not counted these payments itself.
How it asks to be paid
| Network | Price | Paid in | Settled by | Pays to |
|---|---|---|---|---|
| Base | $0.006 | USDC | Per request | 0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a |
From its own 402 answer at UTC. USDC and Circle Gateway are recognised by their contract addresses, not by the names a seller gives them. How payments are read
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| chain. | x402 | Live | 100% | 100% | — |
Also listed as
Other entries that share an endpoint with this one.