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Service Protocol Price Category Health Latency Source
Balance of a Bitcoin address (confirmed and pending), total received and sent, t... https://bess-x402.onrender.com/v1/crypto/btc-address x402 $0.0030 crypto/transactions healthy 296ms bazaar
Balance of any ERC-20 token (contract address, or USDC/USDT/DAI by symbol) for a... https://bess-x402.onrender.com/v1/evm/erc20-balance x402 $0.0020 crypto/defi healthy 323ms bazaar
Balancer V2 pools by total liquidity (USD): pool name, type (weighted, stable, c... https://api.chainmarket-api.workers.dev/api/crypto/balancer-v2-pools x402 $0.0020 crypto/defi healthy 402ms bazaar
Balances of a wallet address or ENS name on Ethereum, Base, Arbitrum, Optimism a... https://bess-x402.onrender.com/v1/crypto/balance x402 $0.0030 crypto/wallet healthy 325ms bazaar
Bank-reconcilable receipt for any on-chain settlement: turn a transaction hash i... https://onchainpulse.theaslangroupllc.com/api/iso-receipt x402 $0.05 crypto/transactions healthy 400ms bazaar
Barcelona homes for sale (first results page) from the public habitaclia.com sea... https://api.jobsproperty-api.workers.dev/api/realestate/habitaclia-spain x402 $0.0020 tools/search healthy 236ms bazaar
Barcode Lookup: Look up a product by UPC or EAN barcode. Returns the product nam... https://api.strale.io/x402/barcode-lookup x402 $0.05 media/images healthy 306ms bazaar
Barcode generator API https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/api/barcode-generator x402 — api healthy — self-registered
Barcode generator API https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/v1/barcode-tools x402 — api healthy — self-registered
Barcode generator API https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/api/barcode x402 — api healthy — self-registered
Barcode generator API https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/barcode x402 — api healthy — self-registered
Barcode generator API https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/api/v1/proxy/barcode x402 — api healthy — self-registered
Barcode to Amazon ASIN lookup (UPC, EAN, ISBN). Turn barcodes into Amazon listin... https://asin402.com/api/lookup x402 $0.0050 media/images healthy 505ms bazaar
Barker's historical APY trend for stablecoins vs. US Treasury benchmark over a l... https://mcp.barker.money/barker_market_trend x402 $0.0010 crypto/defi healthy 807ms bazaar
Barker's stablecoin market snapshot: total market cap, yield-bearing cap, asset ... https://mcp.barker.money/barker_market_overview x402 $0.0010 crypto/prices healthy 812ms bazaar
Bascule Press - Commercial Crises and the Freedom of Banking (Coquelin, 1849) https://basculepress.com/books/volume-1-coquelin L402 $6.48 ebook healthy 1047ms self-registered
Bascule Press - Free Banking (Courcelle-Seneuil, 1867) https://basculepress.com/books/volume-2-courcelle-seneuil L402 $3.24 ebook healthy 796ms self-registered
Base (chain 8453) gas tip for agents that send transactions: latest block number... https://premium.35-171-220-195.sslip.io/v1/tip/base-gas x402 $0.0010 crypto/transactions healthy 532ms bazaar
Base Address Balance https://market.561.group/v1/base-chain/balance?address=0x4200000000000000000000000000000000000006 x402 $0.0010 chain-data healthy 2004ms self-registered
Base Address Tag Lookup (no URL template) https://agentsapi.top/v1/label x402 $0.01 blockchain-data healthy 1357ms self-registered
Base Balance Checker (ETH/USDC) https://leoshi-blog.vercel.app/api/market/balance x402 $0.01 crypto healthy 500ms self-registered
Base Block Head — via FiatDock Marketplace https://fiatdock.com/s/svc_5aa80b0c-f7f2-47e4-b9d7-0bb1035e027d x402 $0.0050 data healthy 262ms self-registered
Base Contract Metadata & Risk Flags https://replyopsai.com/x402/api/token-risk?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 x402 $0.01 crypto/token-metadata healthy 299ms self-registered
Base DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Ge... https://twin.unykorn.org/defi/chain/base x402 $0.01 crypto/defi healthy 250ms bazaar
Base ERC-20 risk verdict (OK / CAUTION / AVOID) for $0.01: simulated sell and ta... https://dominion-data.x402-evm-math.workers.dev/token/verdict x402 $0.01 crypto/defi healthy 399ms bazaar
Base ERC-20 safety facts https://x402centre.roverbot.workers.dev/data/base/token-check x402 $0.01 crypto-data healthy — self-registered
Base ETH and ERC-20 Wallet Balance https://replyopsai.com/x402/api/wallet-inspector?address=0x000000000000000000000000000000000000dEaD x402 $0.0030 crypto/wallets healthy 301ms self-registered
Base Gas Price https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/base-gas-price x402 $0.01 crypto/gas healthy 1103ms self-registered
Base Honeypot Check — via FiatDock Marketplace https://fiatdock.com/s/svc_b70a1688-6cb2-40f0-b338-0501d78ceedd x402 $0.0010 finance healthy 145ms self-registered
Base L2 gas price — current transaction fee for Coinbase Base network in Gwei — ... https://api.myceliasignal.com/oracle/gas/base x402 $0.01 crypto/transactions healthy 279ms bazaar
Base Mainnet Contract & USDC Escrow Auditor https://agy-x402-gateway.omega-x402-edge.workers.dev/api/v1/base-escrow-audit x402 $0.02 crypto/audit healthy — self-registered
Base Mainnet on-chain smart-contract DEX liquidity pool analytics (Aerodrome v2 ... https://windtrapdata.dev/v1/signals/market-feed x402 $0.0050 crypto/defi healthy 1447ms bazaar
Base Payment Evidence API https://transaction-evidence-brief-2026.bowu365.chatgpt.site/api/v1/tx-brief/paid x402 $0.05 developer-tools/x402 healthy 759ms self-registered
Base Settlement Reconciliation API https://transaction-evidence-brief-2026.bowu365.chatgpt.site/api/v1/reconcile/paid x402 $0.25 developer-tools/x402 healthy 1988ms self-registered
Base Token Due Diligence https://agent-utils-x402.fishbowlinc.workers.dev/v1/base-token x402 — crypto healthy — self-registered
Base Token Risk Verdict — via FiatDock Marketplace https://fiatdock.com/s/svc_ae7306d4-0a48-4814-a412-ad714464efee x402 $0.01 data healthy — self-registered
Base Token Snapshot https://base-token-snapshot-20261010.genial-clove-9914.chatgpt.site/api/base/token-snapshot x402 $0.01 Crypto/Market Data healthy 1901ms self-registered
Base Token Verdict (honeypot + tax sim) https://agent-utils-x402.fishbowlinc.workers.dev/v1/base-token-verdict x402 — crypto healthy — self-registered
Base Transaction Check https://market.561.group/v1/base-chain/transaction?hash=0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa x402 $0.0020 chain-data healthy 196ms self-registered
Base Transaction Decoder https://api.0200project.com/explain x402 $0.02 tools healthy 375ms self-registered
Base Transaction Lookup: status, from/to, value, fee, block and decoded ERC-20 t... https://a-upgradenet.com/x402/base-tx x402 $0.0020 crypto/transactions healthy 422ms bazaar
Base Transaction Status https://leoshi-blog.vercel.app/api/market/tx x402 $0.01 crypto healthy 548ms self-registered
Base Transaction Verify (pyfile-toolkit) https://pyfile-agent.taile3ff35.ts.net:10000/data/tx x402 $0.0030 security/payment-verification healthy 603ms self-registered
Base Tx Explainer https://agent-utils-x402.fishbowlinc.workers.dev/v1/base-tx x402 — crypto healthy — self-registered
Base USDC Payment Intent Preflight https://bountyworth.amber-panda-3101.chatgpt.site/api/base-usdc-payment-intent?sender=0xc296911e58ad64172662a73663e177A207240bD0&recipient=0xc296911e58ad64172662a73663e177A207240bD0&amountAtomic=1000&chainId=8453&tokenContract=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&expectedRecipient=0xc296911e58ad64172662a73663e177A207240bD0&maxAmountAtomic=1000&gasUnits=65000 x402 $0.0010 crypto/payments healthy 1107ms self-registered
Base USDC Receipt Audit Kit read-only Python CLI. Before marking a Base USDC bou... https://speedbot.dev/api/products/product_55f00c20c6d84a3f9509c7cd3ca115c9/versions/version_302570837e614fcabf831436d3f970e2/buy x402 $0.01 crypto/transactions healthy 723ms bazaar
Base USDC transfer facts https://x402centre.roverbot.workers.dev/data/base/usdc x402 $0.01 crypto-data healthy 501ms self-registered
Base USDC x402 Integration Triage https://x402-wallet-readiness-service.vercel.app/api/x402/services/integration-triage?repository_or_url=https%3A%2F%2Fgithub.com%2Fexample%2Fproject&goal=Make%20the%20x402%20Base%20USDC%20endpoint%20browser-agent%20readable x402 $100.00 developer-tools/x402 healthy 365ms self-registered
Base USDC x402 Integration Triage POST https://x402-wallet-readiness-service.vercel.app/api/x402/services/integration-triage x402 $100.00 developer-tools/x402 healthy 330ms self-registered
Base USDC x402 Quick Review https://x402-wallet-readiness-service.vercel.app/api/x402/services/quick-review?repository_or_url=https%3A%2F%2Fgithub.com%2Fexample%2Fproject&goal=Verify%20the%20x402%20payment%20challenge%20and%20identify%20the%20next%20patch x402 $50.00 developer-tools/x402 healthy 444ms self-registered