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Service Protocol Price Category Health Latency Source
ERC-20 approval risk scanner for wallets: flags unlimited allowances and unverif... https://agentforge-taupe.vercel.app/v1/approval-scan x402 $0.01 crypto/wallet healthy 345ms bazaar
ERC-20 metadata, proxy detection and free DEX liquidity data for a token on Base... https://xhagents.xyz/api/token-check x402 $0.10 crypto/defi healthy 703ms bazaar
ERC-20 token balance for a wallet against one token contract, on Ethereum, from ... https://www.x402financialdata.com/token-balance/:address x402 $0.01 crypto/balances healthy 224ms bazaar
ERC-20 token balance for any Base wallet - USDC, WETH, USDT or any token - via b... https://mintintel.35-171-220-195.sslip.io/v1/base/erc20-balance/:address/:token x402 $0.0010 crypto/balances healthy 569ms bazaar
ERC-20 token balance for any Ethereum wallet - USDC, WETH, USDT or any token - v... https://mintintel.35-171-220-195.sslip.io/v1/eth/erc20-balance/:address/:token x402 $0.0010 crypto/balances healthy 677ms bazaar
ERC-20 token balance of a Base mainnet address, incl. symbol, decimals, balance_... https://x402-data-api.sigrunner.workers.dev/chain/token-balance x402 $0.01 crypto/balances healthy 855ms self-registered
ERC-20 token balance of a Base mainnet address, incl. symbol, decimals, balance_... https://api.greyridgesignals.ai/chain/token-balance x402 $0.0020 crypto/balances healthy 620ms bazaar
ERC-20 token balance of a wallet on Base (USDC or any other token), formatted wi... https://aether-x402.vercel.app/v1/base/erc20-balance x402 $0.0020 crypto/balances healthy 423ms bazaar
ERC-20 token balance of one wallet (contract + owner) on any of ten EVM chains —... https://twin.unykorn.org/chain/erc20-balance x402 $0.0030 crypto/balances healthy 284ms bazaar
ERC-20 token balances for a wallet on a chain (Alchemy Token API). x402-paid, US... https://api.cortexcloud.org/v1/data/token-balances x402 $0.0040 crypto/balances healthy 931ms bazaar
ERC-20 token due diligence — risk score, GoPlus security scan, honeypot detectio... https://token.lonestaroracle.xyz/report x402 $0.15 crypto/defi healthy 574ms bazaar
ERC-20 token info + proxy check (8 chains) https://ai-policy-kit.moneymaker-ai.workers.dev/api/token-info x402 $0.0010 crypto healthy 141ms self-registered
ERC-20 token lookup on Ethereum, Base, Arbitrum, Optimism or Polygon: name, symb... https://freetier-agent-api.pages.dev/api/token-info x402 $0.0025 crypto/defi healthy 487ms self-registered
ERC-20 token risk check: ownership, holder concentration, and a transfer/honeypo... https://rpc.nodeflare.app/data/token-safety/x402 x402 $0.0033 crypto/transactions healthy 156ms bazaar
ERC-20 token risk screen (bytecode + on-chain, 8 chains) https://ai-policy-kit.moneymaker-ai.workers.dev/api/token-risk x402 $0.0030 crypto healthy 222ms self-registered
ERC-20 token snapshot in one call on Base, Ethereum, Arbitrum, Optimism, Polygon... https://token-snapshot.nextill-pos.workers.dev/v1/snapshot x402 $0.0030 crypto/defi healthy 405ms self-registered
ERC-20 transfers into and out of an address in a window of recent blocks (defaul... https://api.sitecheck-api.workers.dev/api/evm/transfers x402 $0.0030 crypto/transactions healthy 190ms bazaar
ERC-721 collection activity on Ethereum from Blockscout: name, holder count, sup... https://api.chainmarket-api.workers.dev/api/crypto/nft-floor-wash-detector x402 $0.0020 crypto/transactions healthy 292ms bazaar
ERC-721 facts for one token: owner, collection name and symbol, tokenURI, and it... https://api.sitecheck-api.workers.dev/api/evm/nft x402 $0.0020 media/images healthy 90ms bazaar
ERC-8004 agent check. Looks an agent up in the ERC-8004 registries on Base: owne... https://agoreum.xyz/api/v1/x402/tools/erc8004-agent-check x402 $0.01 crypto/wallet healthy 384ms bazaar
ERC-8004 agent directory filtered to what is live: registrations classified by a... https://trust-agent.io/v1/registry/agents x402 $0.01 crypto/wallet healthy 503ms bazaar
ERC-8004 agent identity lookup https://ai-policy-kit.moneymaker-ai.workers.dev/api/erc8004-agent x402 $0.01 crypto healthy 172ms self-registered
ERC-8004 agent reputation with sybil filtering: reviewers are clustered by who f... https://trust-agent.io/v1/reputation x402 $0.0020 crypto/wallet healthy 593ms bazaar
ERC-8004 feedback with proof of payment. Checks on chain that you paid an agent ... https://agoreum.xyz/api/v1/x402/tools/payment-feedback x402 $0.01 crypto/transactions healthy 317ms bazaar
ERC-8004 on-chain reputation of any AI agent wallet on Base, read from the Reput... https://7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.aws/paid/reputation/:agent_id x402 $0.0010 crypto/wallet healthy 478ms bazaar
ERC-8004 validation attestation: RSoft Bank acts as Validator for an AI agent an... https://7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.aws/paid/validation-attest x402 $1.00 crypto/transactions healthy 627ms bazaar
ERC1155 multi-token balance for a wallet and token id on Base mainnet via balanc... https://x402.agentindex.world/base/erc1155-balance x402 $0.0030 crypto/balances healthy 207ms bazaar
ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a... https://api.onesource.io/api/chain/erc1155-balance x402 $0.0030 crypto/balances healthy 1115ms bazaar
ERC20 Balance https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/erc20-balance x402 $0.01 crypto/token healthy 811ms self-registered
ERC20 Token Allowance https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/chain/token-allowance x402 $0.01 crypto/chain healthy 1097ms self-registered
ERC20 Transfer event logs for one token over a Base mainnet block range (max 2,0... https://x402.agentindex.world/base/erc20-transfers x402 $0.0050 crypto/transactions healthy 278ms bazaar
ERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet https://api.onesource.io/api/chain/erc20-transfers x402 $0.0050 crypto/transactions healthy 1223ms bazaar
ERC20 allowance via allowance (eth_call) - how much a spender is approved to mov... https://api.onesource.io/api/chain/allowance x402 $0.0030 crypto/wallet healthy 650ms bazaar
ERC20 token balance (Base/Ethereum) https://x402-toolbox.shablony-pro.workers.dev/chain/token-balance x402 — crypto healthy 310ms self-registered
ERC20 token balance for a wallet on Base mainnet - balanceOf() and decimals() ba... https://x402.agentindex.world/base/erc20-balance x402 $0.0030 crypto/balances healthy 252ms bazaar
ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - vi... https://api.onesource.io/api/chain/erc20-balance x402 $0.0030 crypto/balances healthy 279ms bazaar
ERC20 token balance for one holder — Genesis402 / UnyKorn Operator Network https://twin.unykorn.org/erc20-balance x402 $0.0030 crypto/balances healthy 191ms bazaar
ERC20 token balance of any wallet on Ethereum, Base, Arc or BNB Chain: pass ?add... https://apexfaucet.xyz/api/x402/evm-token-balance x402 $0.0010 crypto/balances healthy 591ms bazaar
ESG score intelligence for ESG-investing and research agents. Explains MSCI, Sus... https://esgpulse.theaslangroupllc.com/api/esg/score x402 $0.10 tools/search healthy 722ms bazaar
ESPN latest news headlines for one league (NFL, NBA, MLB, NHL, WNBA, college foo... https://api.fadeandco.workers.dev/api/dev/espn-sports x402 $0.0020 real-time-data/news healthy 208ms bazaar
ETF Holdings https://api.agentstools.dev/etf/holdings x402 $0.01 crypto healthy 288ms self-registered
ETH Balance https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/eth-balance x402 $0.01 crypto/wallet healthy 985ms self-registered
ETH Price and Gas https://lily.owmini.com/crypto/eth x402 $0.01 crypto healthy 1223ms self-registered
ETH Spot Price USD (x402) https://sing-lightning-bloomberg-reference.trycloudflare.com/ethquote x402 $0.01 crypto healthy — self-registered
ETH Spot Price USD (x402) https://transmit-desperate-operator-minor.trycloudflare.com/ethquote x402 $0.01 crypto healthy — self-registered
ETH/USD read straight from Base state, no CEX or API key: the Chainlink ETH/USD ... https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd x402 $0.0010 crypto/defi healthy 609ms bazaar
ETH/USD read straight from Ethereum state, no CEX or API key: the Chainlink ETH/... https://mintintel.35-171-220-195.sslip.io/v1/eth/eth-usd x402 $0.0010 crypto/defi healthy 599ms bazaar
EU AI Act Transparency Lead Scanner https://api.timzinin.com/api/eu-ai-act-transparency-lead-scanner x402 $0.05 data/compliance healthy 77ms self-registered
EU Accessibility Privacy Lead Scanner https://api.timzinin.com/api/eu-accessibility-privacy-lead-scanner x402 $0.05 data/compliance healthy 96ms self-registered
EU Compliance Desk - GPSR safety warnings https://eu-compliance-desk.catalystdesk.workers.dev/v1/gpsr/warnings x402 $0.01 compliance/eu healthy 398ms self-registered