Evm

EVM Address Check x402 REST usage

EVM address checksum and validation — check an Ethereum/Base address format before sending funds.

conclavex402.pythonanywhere.com Crypto & Payments 6 calls / 30d checked 2026-10-29

0.005 USDC per call per call

Base Address Inspector x402 REST usage

Inspect any Base address: EOA vs contract vs EIP-7702 delegated, ETH balance, nonce, proxy implementation (EIP-1967/1167/zos), and ERC-20 name/symbol/decimals/supply.

automaton-tx-explainer.vercel.app Data & Finance 6 calls / 30d checked 2026-10-29

0.005 USDC per call per call

Live EVM Gas Price x402 REST usage

Read the current eth_gasPrice value from a supported public Base, Ethereum, or Arbitrum JSON-RPC endpoint.

ai-data-marketplace-1042299154756.us-central1.run.app Crypto & Payments 3 calls / 30d checked 2026-10-29

0.01 USDC per call per call

EVM native balance x402 REST usage

Use when an agent has to decide whether a wallet can pay before building a transaction: the native coin balance (ETH, MATIC...) of any address on Base, Ethereum, Polygon, Arbitrum or Optimism, returned both as wei (exact...

flat-rate-llm.kikoribera03.workers.dev Crypto & Payments 5 calls / 30d checked 2026-10-29

0.005 USDC per call per call

Anchor x402 REST usage

Anchor a 32-byte hash to Base + Solana mainnet — $0.005 USDC

api.anchor-x402.com Crypto & Payments 5 calls / 30d checked 2026-10-29

0.005 USDC per call per call

EVM & Solana Utility Tools x402 REST usage

Solana Program Derived Address (PDA) calculator — derive the canonical off-curve address and bump from bounded public seeds offline, without RPC or key handling.

chain-tools.use.x402atlas.com Crypto & Payments 5 calls / 30d checked 2026-10-29

0.005 USDC per call per call

threat-feed x402 REST usage

Live feed of freshly-detected malicious addresses on Base — address-poisoning seeders caught via zero-value transfer sprays, updated continuously by our on-chain collector. Poll ?since=<unix> to ingest only new threats i...

x402-store.dgdb.workers.dev Security 5 calls / 30d checked 2026-10-29

0.005 USDC per call per call

ERC-1155 balance x402 REST usage

How many of one ERC-1155 token id an account holds, read straight from the contract. ERC-1155 is the multi-token standard behind most game items, editions and passes, where a single contract holds many ids and a balance...

agent402.tools Data & Finance 12 calls / 30d checked 2026-10-29

0.002 USDC per call per call

Read-only JSON-RPC passthrough x402 REST usage

Escape hatch for power users: forward an arbitrary read-only JSON-RPC method to the chain. Method must be in our read-only whitelist (eth_call, eth_getLogs, eth_getBlockByNumber, eth_getTransactionReceipt, eth_chainId, e...

agent402.tools Data & Finance 12 calls / 30d checked 2026-10-29

0.002 USDC per call per call

Multichain RPC/balance x402 REST usage

Native coin and ERC-20 token balance for any wallet address on Base, Polygon, Arbitrum, Optimism or Ethereum. Returns raw and human-decimal amounts in one call.

multichain-rpc.clankerceo.workers.dev Crypto & Payments 12 calls / 30d checked 2026-10-29

0.002 USDC per call per call

Contract ABI, verified contract x402 REST usage

Contract ABI, verified contract. The verified ABI of a smart contract on Ethereum, Base, Arbitrum, Optimism or Polygon from Sourcify's open verification repository: contract name, compiler, match quality, every function...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 2 calls / 30d checked 2026-10-29

0.01 USDC per call per call

nbx4 EVM Mechanism Evidence x402 REST usage

Preliminary, limited EVM mechanism evidence from a block-pinned snapshot: matched source syntax, proxy and token state, and optional V2 pool observations. Unknowns remain unknown; not a security audit or sellability verd...

nbx4.dev Data & Finance 2 calls / 30d checked 2026-10-29

0.01 USDC per call per call

Contract risk x402 REST usage

Heuristic risk flags for a Ethereum contract from free public data: Sourcify verification, upgradeable proxy + admin, owner type, mint/pause/blacklist/fee selectors, bytecode size. Not an audit or financial advice.

automaton-tx-explainer.vercel.app Data & Finance 2 calls / 30d checked 2026-10-29

0.01 USDC per call per call

evm-contract-source x402 REST usage

Fetch a verified smart-contract's full source, ABI, compiler settings and NatSpec docs for an EVM address, and automatically resolve a proxy to its implementation so the response also carries the implementation ABI. One...

api.agentstools.dev Dev & Code 1 calls / 30d checked 2026-10-29

0.02 USDC per call per call

Ethereum Tx Explainer x402 REST usage

Explain a Ethereum transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with symbols and human amounts.

automaton-tx-explainer.vercel.app Crypto & Payments 2 calls / 30d checked 2026-10-29

0.01 USDC per call per call

BNB Smart Chain Tx Explainer x402 REST usage

Explain a BNB Smart Chain transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with symbols and human amounts.

automaton-tx-explainer.vercel.app Data & Finance 2 calls / 30d checked 2026-10-29

0.01 USDC per call per call

Multi-chain Wallet Portfolio x402 REST usage

Wallet snapshot across Base, Ethereum and BNB Smart Chain: native balance plus balances of 8 major tokens per chain (USDC, USDT, WETH, DAI, WBTC/cbBTC...). No USD pricing.

automaton-tx-explainer.vercel.app Crypto & Payments 2 calls / 30d checked 2026-10-29

0.01 USDC per call per call

Wallet balance (native + ERC-20) x402 REST usage

Look up the native coin balance (ETH/MATIC) plus every ERC-20 holding for a wallet address on Ethereum, Base, Polygon, Arbitrum, or Optimism. Returns clean decimal balances (already scaled by token decimals) plus symbol...

agent402.tools Crypto & Payments 10 calls / 30d checked 2026-10-29

0.002 USDC per call per call

EVM Address Check x402 REST usage

EVM address checksum and validation — check an Ethereum/Base address format before sending funds.

conclavex402p04.pythonanywhere.com Crypto & Payments 4 calls / 30d checked 2026-10-29

0.005 USDC per call per call

Wren Pre-sign Check x402 REST usage

Pre-sign check for agent wallets. Use when your agent is about to sign a transaction or EIP-712 message: send to and data (or typedData, or untrusted text) and get block, review or allow, with decoded calldata and findin...

wren-presign-check.wrenonbase.workers.dev Crypto & Payments 2 calls / 30d checked 2026-10-29

0.01 USDC per call per call

Agent Data Bench x402 REST usage

Turn a public web page into an LLM-ready document: clean markdown with nav/cookie/script boilerplate removed, parsed JSON-LD, OpenGraph, heading outline, tables, link graph, word and token counts, and embedding-ready chu...

x402.deepsense.stream Web & Scraping 4 calls / 30d checked 2026-10-29

0.005 USDC per call per call

Block number, Arbitrum One x402 REST usage

Block number, Arbitrum One. Latest block number and block details on Arbitrum One, or any block by decimal number: hash, timestamp, transaction count, gas used and limit, base fee in gwei and producer. Use for timestamps...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 6 calls / 30d checked 2026-10-29

0.003 USDC per call per call

Block number, Base x402 REST usage

Block number, Base. Latest block number and block details on Base, or any block by decimal number: hash, timestamp, transaction count, gas used and limit, base fee in gwei and producer. Use for timestamps and confirmatio...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 6 calls / 30d checked 2026-10-29

0.003 USDC per call per call

Block number, Ethereum x402 REST usage

Block number, Ethereum. Latest block number and block details on Ethereum, or any block by decimal number: hash, timestamp, transaction count, gas used and limit, base fee in gwei and producer. Use for timestamps and con...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 6 calls / 30d checked 2026-10-29

0.003 USDC per call per call