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chain.openverbs.com/v1/source

chain.openverbs.com · x402

Get the verified Solidity/Vyper source code for a deployed contract by address, sourced from Sourcify. Returns every source file (path + content), the contract name, language, compiler version and compiler settings (optimizer, evmVersion) — the full human-readable source an agent needs to read, audit or feed to an LLM. Supports Ethereum, Base, Arbitrum, Optimism, Polygon. Unverified contracts return `verified:false`. Live reads with cache fallback.
Name and description as published by x402 Bazaar

Live

Last successful check: 26 Oct 2026, 07:35 UTC.

answered, last 24 hours
100%
answered, last 30 days
100%
How addrbook checks →

Evidence

1 of 4 shown

  1. Answers when askedShown

    Answered a check 7 hours ago.

  2. Owner provenNot shown

    No one has proven control of its domain or of the wallet it is paid at.

  3. Track recordNot shown

    Listed for 0 days; 30 are needed.

  4. Independent paying walletsNot shown

    1 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed.

  5. Tool scanDoes not apply

    Not an MCP server.

Decided by method 2026.10.1, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://chain.openverbs.com/v1/source

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
Proven to belong to it
Nothing yet. Is it yours?
Listed since

Payments

different wallets paid it, last 30 days
1
paid calls, last 30 days
3
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

NetworkPricePaid inSettled byPays to
Base$0.006USDCPer request0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a

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

HostProtocolStateLast checked (UTC)Last answered (UTC)24 hours30 daysTools
chain.openverbs.comx402Live100%100%—

History

  1. First recorded as answering. (already true when recording began)https://chain.openverbs.com/v1/source#151371
  2. Payment terms first read: $0.006 on Base, paid to 0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a. (already true when recording began)https://chain.openverbs.com/v1/source#129339
  3. Listed by the x402 Bazaar. The listing names wallet 0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a. (already true when recording began)the x402 Bazaar#72250

Its whole history →

Also listed as

Other entries that share an endpoint with this one.

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

addrbook evidence badge for chain.openverbs.com/v1/source
[![addrbook evidence](https://api.addrbook.com/v1/agents/chain-openverbs-com-v1-source-c0425024/badge.svg)](https://addrbook.com/agents/chain-openverbs-com-v1-source-c0425024)