Agent Exchange x402 census and directory

x402 census · browse

x402 resources on Base

Resources whose first Base-preferring accepts entry names Base (eip155:8453). 23,920 resources: 4,364 answer a valid 402 (18.2%), 2,387 are dead (10.0%). Sorted by payers on record, then live verdict, then catalog freshness.

Page 27 of 50: previous next · 18,920 more are only in bazaar.json and the sitemaps

ResourceHostPriceNetworkVerdictPayersCatalogsDescription
GET /v1/domain-check402utils.com$0.002baseunprobed43cdpDomain availability and expiry intelligence via RDAP, the WHOIS successor. Queries the aut
GET /v1/x402-quote402utils.com$0.002baseunprobed43cdpEnriched quote for an x402 endpoint: probes it unpaid (never pays, SSRF-checked), decodes
GET /v1/rss-to-json402utils.com$0.002baseunprobed43cdpFetch an RSS 2.0 or Atom feed and return clean JSON: feed title, link and description, plu
GET /v1/email-check402utils.com$0.003baseunprobed43cdpValidate an email address before you accept a signup or send to it: RFC 5322 syntax, wheth
GET /api/premium/research/citation-velocitytensorfeed.ai$0.02baseunprobed43cdpTop 100 recent AI papers ranked by the share of their total citations earned in the most r
GET /api/premium/policy/timelinetensorfeed.ai$0.02baseunprobed43cdpForward and backward calendar over the AI policy registry. Each entry classified relative
GET /api/premium/research/milestonestensorfeed.ai$0.02baseunprobed43cdpLast 30 days of arXiv preprints flagged as milestone candidates by an offline Qwen 3.6 27B
GET /api/premium/ai-safety/incidents/exposuretensorfeed.ai$0.02baseunprobed43cdpAI safety incident exposure analytics. Per-developer and per-deployer incident counts with
GET /api/premium/agents/directorytensorfeed.ai$0.02baseunprobed43cdpEnriched AI agents directory. One paid call returns the catalog joined with live provider
GET /api/premium/ai-cves/ai-stack-cvestensorfeed.ai$0.02baseunprobed43cdpAI-stack CVE intelligence. Filters fresh security disclosures to vendors and products in t
GET /api/premium/inference-providers/arbitragetensorfeed.ai$0.02baseunprobed43cdpCross-provider arbitrage analytics for hosted inference. Per-model: cheapest_paid, most_ex
GET /api/premium/packages/releases/velocitytensorfeed.ai$0.02baseunprobed43cdpAI-package release velocity. Per-package releases_24h / releases_7d / releases_30d, latest
GET /api/premium/research/emerging-keywordstensorfeed.ai$0.02baseunprobed43cdpTop 50 multi-word keyphrases across recent arXiv AI abstracts ranked by recent-vs-baseline
GET /api/premium/funding/exposuretensorfeed.ai$0.10baseunprobed43cdpDerived structural metrics over the AI funding portfolio. Silicon-vendor concentration sha
GET /api/premium/whats-newtensorfeed.ai$0.02baseunprobed43cdpAgent morning brief. One paid call returns the last 24 hours of AI pricing changes, new an
GET /api/v1/pm/polymarket/marketsblockrun.ai$0.0085baselive40cdpBlockRun.AI: Query Polymarket markets with filtering, sorting, and pagination
GET /api/v1/pm/kalshi/marketsblockrun.ai$0.0085baselive40cdpBlockRun.AI: Query Kalshi markets with filtering, sorting, and pagination
GET /api/v1/pm/polymarket/eventsblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: List Polymarket events with filtering and sorting
GET /api/v1/pm/predictfun/marketsblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: List Predict.Fun markets with filtering and sorting
GET /api/v1/pm/polymarket/markets/keysetblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: List Polymarket markets with cursor-based keyset pagination (same filters as
GET /api/v1/pm/polymarket/tradesblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Query historical Polymarket trade data with flexible filtering
GET /api/v1/pm/polymarket/events/keysetblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: List Polymarket events with cursor-based keyset pagination
GET /api/v1/pm/binance/candles/BTCUSDTblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get OHLCV candlestick data for a Binance trading pair
GET /api/v1/pm/limitless/marketsblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: List Limitless markets with filtering and sorting
GET /api/v1/pm/polymarket/leaderboardblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get the global leaderboard of smart wallets
GET /api/v1/pm/markets/searchblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun
GET /api/v1/pm/opinion/marketsblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: List Opinion markets with filtering and sorting
GET /api/v1/pm/polymarket/crypto-updownblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: List crypto up/down prediction markets
GET /api/v1/pm/polymarket/wallets/profilesblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Batch retrieve wallet profiles for multiple addresses
GET /api/v1/pm/polymarket/positionsblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Fetch all user positions with filtering and pagination
GET /api/v1/pm/polymarket/market-price/2174263314346390629056905015582624…blockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get current or historical price for a specific token
GET /api/v1/pm/polymarket/wallet/pnl/:addressblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get P&L summary and realized P&L time series for a wallet
GET /api/v1/pm/polymarket/cohorts/statsblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Compare performance across trading style cohorts
GET /api/v1/pm/polymarket/uma/market/:hashblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get current UMA oracle status and event timeline for a single market
GET /api/v1/pm/polymarket/markets/smart-activityblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Discover markets where high-performing wallets are active
GET /api/v1/pm/polymarket/volume-chart/:hashblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get volume chart with YES/NO breakdown for a market
GET /api/v1/pm/polymarket/wallet/volume-chart/:addressblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get volume chart broken down by BUY/SELL side for a wallet
POST /api/v1/pm/polymarket/wallet/identitiesblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Bulk identity lookup for up to 200 wallet addresses (POST body: {addresses: [
GET /api/v1/pm/polymarket/wallet/identity/:addressblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Fetch identity and profile metadata for a wallet address
GET /api/v1/pm/polymarket/wallet/:address/clusterblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Discover wallets connected to a seed address via on-chain transfers and ident
GET /api/v1/pm/polymarket/activityblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Fetch trading activity (merges, splits, redeems) for a user
GET /api/v1/pm/kalshi/orderbooksblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Fetch historical orderbook snapshots for a Kalshi market
GET /api/v1/pm/binance/ticks/BTCUSDTblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get raw book ticker data at microsecond granularity
GET /api/v1/pm/polymarket/uma/marketsblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: List UMA oracle questions filtered by state (proposed, disputed, resolved, …)
GET /api/v1/pm/kalshi/tradesblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Fetch historical Kalshi trade data
GET /api/v1/pm/polymarket/orderbooksblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get historical orderbook snapshots for a token
GET /api/v1/pm/polymarket/wallet/:address/similarblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Find wallets with similar market portfolios
GET /api/v1/pm/polymarket/wallet/:address/marketsblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get per-market performance breakdown for a wallet
GET /api/v1/pm/polymarket/markets/217426331434639062905690501558262415330…blockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get historical cumulative volume data for a market
GET /api/v1/pm/polymarket/markets/:hash/open_interestblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get historical open interest data for a market
GET /api/v1/pm/polymarket/leaderboard/market/:hashblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get leaderboard for a specific market
GET /api/v1/pm/polymarket/wallet/positions/:addressblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get open and historical positions for a wallet address
GET /api/v1/pm/binance/candles/SOLUSDTblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get OHLCV candlestick data for a Binance trading pair
GET /api/v1/pm/binance/candles/ETHUSDTblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get OHLCV candlestick data for a Binance trading pair
GET /pay/agent_blockrun_aiapi.aidress.ai$0.0085baseunprobed40cdpQuery Polymarket markets with filtering, sorting, and pagination
GET /api/v1/pm/polymarket/markets/271469566528779445518777246903657450482…blockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get historical cumulative volume data for a market
GET /api/v1/pm/predictfun/orderbooksblockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Fetch historical orderbook snapshots for a Predict.Fun market
GET /api/v1/pm/polymarket/market-price/4079125090893350885372346561496103…blockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get current or historical price for a specific token
GET /api/v1/pm/polymarket/market-price/2143401858385894894190399172754859…blockrun.ai$0.0085baseunprobed40cdpBlockRun.AI: Get current or historical price for a specific token
GET /v1/tools/extract/graphvoidfeed.ai$0.05baseunprobed39cdpVoidFeed: Returns a structured knowledge graph of the AI tooling ecosystem, expandable by
GET /v1/content/extract/dataset/latestvoidfeed.ai$0.05baseunprobed39cdpVoidFeed: Returns clean, normalized datasets of AI model benchmarks, pricing, leaderboard
GET /v1/market/pricevoidfeed.ai$0.10baseunprobed39cdpVoidFeed: Returns objective on-chain safety flags and live liquidity depth for any token o
GET /v1/content/fact-feed/latestvoidfeed.ai$0.05baseunprobed39cdpVoidFeed: Returns verified, citation-backed facts about new AI model releases, benchmark s
GET /pay/agent_voidfeed_aiapi.aidress.ai$0.05baseunprobed39cdpVoidFeed: Returns verified, citation-backed facts about new AI model releases, benchmark s
GET /api/chain/erc20-balanceapi.onesource.io$0.003baselive38cdpERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceO
GET /api/chain/block-numberapi.onesource.io$0.001baselive38cdpLatest Ethereum block height - current chain tip via eth_blockNumber
GET /api/chain/live-balanceapi.onesource.io$0.003baselive38cdpLive wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded
GET /api/chain/ens/:inputapi.onesource.io$0.005baselive38cdpENS resolve - turn a .eth name into an address, or an address into its primary .eth name,
GET /api/chain/contract/:addressapi.onesource.io$0.005baselive38cdpBest-effort contract introspection via batched RPC - bytecode presence, token metadata, an
GET /api/chain/erc20-transfersapi.onesource.io$0.005baselive38cdpERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet
GET /api/chain/block/:numberapi.onesource.io$0.003baselive38cdpFetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBl
GET /api/chain/nonce/:addressapi.onesource.io$0.003baselive38cdpNext transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs
GET /api/chain/total-supplyapi.onesource.io$0.003baselive38cdpTotal supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)
GET /api/chain/tx/:hashapi.onesource.io$0.008baselive38cdpFull Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value,
GET /api/chain/receipt/:hashapi.onesource.io$0.005baselive38cdpTransaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mine
GET /api/chain/network-infoapi.onesource.io$0.001baselive38cdpEVM network info - chain ID, block height, gas price, chain head age, and chain characteri
GET /api/chain/erc721-tokensapi.onesource.io$0.008baselive38cdpList every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_
GET /api/chain/nft-metadataapi.onesource.io$0.008baselive38cdpNFT metadata for ERC721 or ERC1155 tokens via eth_call, with IPFS, Arweave, data URI, and
GET /api/chain/eventsapi.onesource.io$0.005baselive38cdpQuery Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block
GET /api/chain/chain-idapi.onesource.io$0.001baselive38cdpEthereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on
GET /api/chain/code/:addressapi.onesource.io$0.003baselive38cdpCheck if an Ethereum address is a contract via eth_getCode - returns deployed bytecode
GET /api/chain/allowanceapi.onesource.io$0.003baselive38cdpERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an
POST /api/chain/callapi.onesource.io$0.005baselive38cdpSimulate a read-only Ethereum contract call via eth_call - no transaction sent
POST /api/chain/estimate-gasapi.onesource.io$0.004baselive38cdpEstimate the gas a transaction will consume via eth_estimateGas before signing it
GET /api/chain/erc1155-balanceapi.onesource.io$0.003baselive38cdpERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet ho
GET /api/chain/nft-ownerapi.onesource.io$0.003baselive38cdpLook up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)
GET /api/chain/proxy/:addressapi.onesource.io$0.005baselive38cdpDetect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - ret
GET /api/chain/storageapi.onesource.io$0.005baselive38cdpRead a raw storage slot from any Ethereum contract via eth_getStorageAt
GET /api/chain/pendingapi.onesource.io$0.01baselive38cdpPending block - transactions not yet mined, via eth_getBlockByNumber("pending")
GET /deepstate/v1/candles/:bookapi.onesource.io$0.005baselive38cdpDeepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a market
GET /deepstate/v1/analytics/depth-historyapi.onesource.io$0.02baseunprobed38cdpDeepstate, the on-chain order-book exchange on Robinhood Chain. Depth heatmap - resting or
GET /deepstate/v1/analytics/cost-to-quoteapi.onesource.io$0.02baseunprobed38cdpDeepstate, the on-chain order-book exchange on Robinhood Chain. Gas spent resting and canc
GET /deepstate/v1/stats/:bookapi.onesource.io$0.005baseunprobed38cdpDeepstate, the on-chain order-book exchange on Robinhood Chain. Rolling 24h / 7d / 30d vol
GET /deepstate/v1/book/:bookapi.onesource.io$0.005baseunprobed38cdpDeepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a
GET /deepstate/v1/analytics/makersapi.onesource.io$0.02baseunprobed38cdpDeepstate, the on-chain order-book exchange on Robinhood Chain. Per-maker time-at-top, not
GET /deepstate/v1/marketsapi.onesource.io$0.005baseunprobed38cdpDeepstate, the on-chain order-book exchange on Robinhood Chain. Lists the markets this ser
GET /deepstate/v1/trades/:bookapi.onesource.io$0.005baseunprobed38cdpDeepstate, the on-chain order-book exchange on Robinhood Chain. Trade tape for a market, n
GET /standard/v1/poolapi.onesource.io$0.02baseunprobed38cdpThe Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Latest AMM po
GET /standard/v1/governance/changesapi.onesource.io$0.02baseunprobed38cdpThe Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Governance an
GET /standard/v1/policy/outlookapi.onesource.io$0.02baseunprobed38cdpThe Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. A current-pac

Page 27 of 50: previous next · 18,920 more are only in bazaar.json and the sitemaps