# Services from store.agentexchange.work on Zero

> store.agentexchange.work serves 77 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/store.agentexchange.work
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/store.agentexchange.work/health.json

## Services

- [Riley Craig x402 Agent Store — Company Domain Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-company-domain-lookup-c9806493/llms.txt): $0.003/call via x402, rated 4.7/5 (1 review). Looks up enriched company profile information for a given domain, including a summary, email presence, domain age, registrar, and Wikipedia link.
- [Agent Exchange — EVM Chain Logs Query](https://www.zero.xyz/c/agent-exchange-evm-chain-logs-query-90264631/llms.txt): $0.09/call via x402. Fetches filtered EVM event logs from a specified blockchain by contract address and/or event topic, returning matching log entries with metadata
- [Agent Exchange — Latest Block Data](https://www.zero.xyz/c/agent-exchange-latest-block-data-296be055/llms.txt): $0.09/call via x402. Returns live block metadata for a given EVM chain, including block number, timestamp, gas utilization, base fee, transaction count, and congestion status.
- [Chain Code Size & Contract Detection](https://www.zero.xyz/c/chain-code-size-contract-detection-0c61f4ad/llms.txt): $0.001/call via x402. Checks whether an Ethereum-compatible address is a smart contract by returning its on-chain bytecode size across multiple EVM networks
- [Polymarket Prediction Markets Feed](https://www.zero.xyz/c/polymarket-prediction-markets-feed-bea7ff66/llms.txt): $0.01/call via x402. Fetches live prediction market listings from Polymarket, filterable by keyword, sortable by volume or liquidity, returning implied probabilities and trading data.
- [Agent Exchange Macro Regime](https://www.zero.xyz/c/agent-exchange-macro-regime-8c4a8295/llms.txt): $0.05/call via x402. Returns the current US yield curve regime classification (e.g. NORMAL / LATE-CYCLE) with spread levels, evidence, and confidence based on trailing Treasury data.
- [ENS Name & Address Resolver](https://www.zero.xyz/c/ens-name-address-resolver-4f13847e/llms.txt): $0.001/call via x402. Resolves an ENS name to its Ethereum address, or reverse-resolves an 0x address to its primary ENS name, with a single per-call USDC micropayment via x402.
- [Tavily Search Advanced Mode (Agent Exchange)](https://www.zero.xyz/c/tavily-search-advanced-mode-agent-exchange-c9c048ee/llms.txt): $0.01/call via x402. Performs advanced-depth web search via a Tavily-compatible API, returning ranked results, snippets, source URLs, and an optional AI-generated answer for a given query.
- [OP-Stack L1 Fee Estimator](https://www.zero.xyz/c/op-stack-l1-fee-estimator-9b3fdc05/llms.txt): $0.09/call via x402. Returns the L1 data fee (in ETH, USD, and wei) for a transaction on Base or Optimism, using the on-chain GasPriceOracle contract
- [Blockchain Transaction Explainer](https://www.zero.xyz/c/blockchain-transaction-explainer-c5e12c95/llms.txt): $0.002/call via x402. Decodes and explains an on-chain transaction hash into a human-readable summary with action type, asset changes, and method details
- [On-Chain Nonce Lookup](https://www.zero.xyz/c/on-chain-nonce-lookup-755ac59e/llms.txt): $0.001/call via x402. Returns the current transaction nonce for a given EVM wallet address on a specified blockchain network
- [NFT Token Lookup — Owner, URI & Metadata by Contract and Token ID](https://www.zero.xyz/c/nft-token-lookup-owner-uri-metadata-by-contract-and-token-id-f6220384/llms.txt): $0.09/call via x402. Returns on-chain ownership, token URI, and collection metadata for a specific ERC-721 NFT given a contract address and token ID across multiple EVM chains.
- [Crypto Address Risk Screening](https://www.zero.xyz/c/crypto-address-risk-screening-1dcbf1d7/llms.txt): $0.09/call via x402. Screens a blockchain wallet address for sanctions, flags, and risk indicators across major EVM chains
- [US Government Contract Awards Search](https://www.zero.xyz/c/us-government-contract-awards-search-14924e69/llms.txt): $0.01/call via x402. Search and retrieve US federal government contract award data by keyword or sector, returning award counts, total spend, top recipients, and activity scores over a configurable lookback window.
- [Agent Exchange — Batch Blockchain Read (Multi-Op)](https://www.zero.xyz/c/agent-exchange-batch-blockchain-read-multi-op-9db19901/llms.txt): $0.09/call via x402. Executes up to 10 batched on-chain read operations in a single call across major EVM chains, returning balances, nonces, gas prices, block numbers, token balances, and contract code checks.
- [Crosschain Radar — Multi-Chain Token Attention Scanner](https://www.zero.xyz/c/crosschain-radar-multi-chain-token-attention-scanner-fa2ec1f8/llms.txt): $0.09/call via x402. Returns a ranked list of cross-chain token candidates gaining attention across Solana, Base, Ethereum, and Robinhood, with liquidity, volume, traction scores, and classification labels.
- [Smart Money Wallet Profiler](https://www.zero.xyz/c/smart-money-wallet-profiler-e9e7197e/llms.txt): $0.09/call via x402. Profiles a blockchain wallet address for smart-money behavior: activity level, net token flows, last active timestamp, and recent contract method usage across EVM chains.
- [Wave Radar — Base Chain Token Momentum Scanner](https://www.zero.xyz/c/wave-radar-base-chain-token-momentum-scanner-d49efc85/llms.txt): $0.09/call via x402. Scans Base chain DEX activity to surface early-momentum token candidates ranked by liquidity, buying flow, and traction score with risk classification.
- [Chain Heartbeat — Blockchain Network Health & Gas Status](https://www.zero.xyz/c/chain-heartbeat-blockchain-network-health-gas-status-71ac3182/llms.txt): $0.09/call via x402. Returns the current health, latest block, gas price, fee trend, and finality status for a specified blockchain network
- [ERC-20 Token Metadata Lookup](https://www.zero.xyz/c/erc-20-token-metadata-lookup-2f58d84a/llms.txt): $0.09/call via x402. Returns on-chain metadata for an ERC-20 token contract — name, symbol, decimals, total supply, and verification flags — across major EVM chains.
- [Agent Exchange — Crypto Liquidations Data](https://www.zero.xyz/c/agent-exchange-crypto-liquidations-data-e00a30ba/llms.txt): $0.09/call via x402. Returns live cryptocurrency liquidation pressure metrics including regime classification, open interest, funding rate, and long/short ratio for a given asset.
- [Chain Transaction Confirmation Checker](https://www.zero.xyz/c/chain-transaction-confirmation-checker-1d6f3c05/llms.txt): $0.09/call via x402. Returns the current confirmation count, finality status, and block details for a given transaction hash on EVM-compatible chains
- [Chain Fee History — Gas Fee Analysis API](https://www.zero.xyz/c/chain-fee-history-gas-fee-analysis-api-9fce6fcb/llms.txt): $0.09/call via x402. Returns recent gas fee statistics (base fee, priority fee, trend, and recommended max fees) for a specified EVM-compatible blockchain by sampling recent blocks.
- [EVM Contract Storage Slot Reader](https://www.zero.xyz/c/evm-contract-storage-slot-reader-eef644c3/llms.txt): $0.001/call via x402. Reads the raw value stored at a specific storage slot of any EVM smart contract on Base, Ethereum, Optimism, Arbitrum, Polygon, or Gnosis.
- [Macro Country Economic Indicators API](https://www.zero.xyz/c/macro-country-economic-indicators-api-30acf23b/llms.txt): $0.005/call via x402. Returns key macroeconomic indicators (GDP, inflation, etc.) for a given country by ISO country code
- [Riley Craig x402 Agent Store — Macro Risk Spread](https://www.zero.xyz/c/riley-craig-x402-agent-store-macro-risk-spread-990ed840/llms.txt): $0.005/call via x402. Returns the current spread between top on-chain stablecoin yields and the US risk-free rate, identifying whether DeFi yields are offering a meaningful premium.
- [DeFi Yield Pools Lookup](https://www.zero.xyz/c/defi-yield-pools-lookup-cf5e3e5a/llms.txt): $0.003/call via x402. Returns top DeFi yield pools ranked by APY for a given chain, with optional filters for TVL and stablecoin-only pools.
- [ERC-20 Token Allowance Lookup](https://www.zero.xyz/c/erc-20-token-allowance-lookup-b51e243d/llms.txt): $0.001/call via x402. Returns the current ERC-20 token allowance that a spender is approved to transfer on behalf of a token owner on a specified blockchain.
- [ERC-20 Token Balance Lookup](https://www.zero.xyz/c/erc-20-token-balance-lookup-c604e48e/llms.txt): $0.001/call via x402. Returns the ERC-20 token balance for a given wallet address on a specified EVM chain, including human-readable and raw amounts.
- [Blockchain Gas Estimation API](https://www.zero.xyz/c/blockchain-gas-estimation-api-623490b4/llms.txt): $0.001/call via x402. Estimates the gas required for an Ethereum-compatible transaction on a specified chain given a recipient, optional calldata, and optional value
- [EU Tenders Search (TED Europa)](https://www.zero.xyz/c/eu-tenders-search-ted-europa-922d45a4/llms.txt): $0.01/call via x402. Search European Union public procurement tenders by keyword/sector with configurable time window, returning matching notices from TED (Tenders Electronic Daily).
- [GitHub Trending Repositories Feed](https://www.zero.xyz/c/github-trending-repositories-feed-31c2dbb8/llms.txt): $0.001/call via x402. Returns the top trending GitHub repositories filtered by time range, programming language, and result count
- [Global Weather Forecast by Coordinates](https://www.zero.xyz/c/global-weather-forecast-by-coordinates-ea4298f4/llms.txt): $0.09/call via x402. Returns global weather forecast data for a given latitude/longitude coordinate pair using open meteorological data
- [Riley Craig x402 Agent Store — Block Number](https://www.zero.xyz/c/riley-craig-x402-agent-store-block-number-f16263b8/llms.txt): $0.001/call via x402. Returns the current block number for a specified EVM-compatible blockchain (Base, Ethereum, Optimism, Arbitrum, Polygon, or Gnosis), payable per call in USDC via x402.
- [Crypto Market Metrics API](https://www.zero.xyz/c/crypto-market-metrics-api-344e00ec/llms.txt): $0.09/call via x402. Returns real-time price, market cap, and 24-hour trading volume for specified cryptocurrencies by CoinGecko-style ID.
- [Riley Craig x402 Agent Store — DEX Token Pairs Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-dex-token-pairs-lookup-9eaeb86c/llms.txt): $0.002/call via x402. Returns real-time DEX trading pair data (price, 24h volume, liquidity, price change) for a given token symbol, name, or contract address
- [Chain Gas Price Lookup](https://www.zero.xyz/c/chain-gas-price-lookup-1a3a872a/llms.txt): $0.001/call via x402. Returns current gas prices (fast, average, slow) in gwei for a specified EVM-compatible blockchain
- [Riley Craig x402 Agent Store – Web Search](https://www.zero.xyz/c/riley-craig-x402-agent-store-web-search-23427faa/llms.txt): $0.004/call via x402. Search across Hacker News, GitHub, Stack Overflow, and Wikipedia with a single query, paying per call in USDC via x402 — no API keys required.
- [On-Chain ETH Balance Lookup](https://www.zero.xyz/c/on-chain-eth-balance-lookup-08b1e63f/llms.txt): $0.001/call via x402. Returns the native ETH balance, transaction count, and USD value for a given wallet address on EVM-compatible chains
- [NYC Property Valuation & Tax Assessment Lookup](https://www.zero.xyz/c/nyc-property-valuation-tax-assessment-lookup-338794d6/llms.txt): $0.09/call via x402. Fetches real estate property details, lot characteristics, tax assessments, and market valuation estimate ranges for New York City properties by address or zip code.
- [Sales Lead AI Visibility Qualifier](https://www.zero.xyz/c/sales-lead-ai-visibility-qualifier-d55b9989/llms.txt): $0.49/call via x402. Checks how often a prospect brand appears in AI assistant answers for their category, scores the lead, and generates a personalized outreach opener
- [Crypto Community Sentiment Scanner](https://www.zero.xyz/c/crypto-community-sentiment-scanner-ca877e91/llms.txt): $0.05/call via x402. Scans public crypto communities and feeds for a keyword or token symbol and returns a real-time sentiment score and verdict.
- [Riley Craig x402 Agent Store – Crypto Prices](https://www.zero.xyz/c/riley-craig-x402-agent-store-crypto-prices-69eb8d38/llms.txt): $0.01/call via x402. Fetches current cryptocurrency prices for up to 25 CoinGecko-identified tokens, paid per call in USDC via x402 on Base.
- [Riley Craig x402 Agent Store — Crypto Security / Honeypot Detector](https://www.zero.xyz/c/riley-craig-x402-agent-store-crypto-security-honeypot-detector-89d2177c/llms.txt): $0.001/call via x402. Checks whether a token contract address is a honeypot or has malicious flags, returning a security verdict, buy/sell tax, and risk flags — payable per-call in USDC via x402.
- [Token Supply & Market Data Lookup](https://www.zero.xyz/c/token-supply-market-data-lookup-d1495df3/llms.txt): $0.001/call via x402. Returns total supply, holder count, price, market cap, and metadata for a given ERC-20 token contract address on a specified blockchain.
- [Riley Craig x402 Agent Store — On-Chain Transaction Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-on-chain-transaction-lookup-c9913794/llms.txt): $0.001/call via x402. Fetches decoded details of a blockchain transaction by hash across Base, Ethereum, and other EVM chains, returning status, confirmations, value, fee, and method info.
- [Truck Cost Per Mile (CPM) Calculator](https://www.zero.xyz/c/truck-cost-per-mile-cpm-calculator-c3aac8d5/llms.txt): $0.001/call via x402. Calculates the cost per mile and minimum profitable rate per mile for a truck, broken down by fuel, fixed, maintenance, tires, and other costs.
- [Truck Load Profit Calculator](https://www.zero.xyz/c/truck-load-profit-calculator-0659d60f/llms.txt): $0.001/call via x402. Calculates net profit, all-in cost, and an ACCEPT/REJECT/MARGINAL verdict for a trucking load given rate, miles, fuel price, and cost-per-mile inputs.
- [Web Page to Clean Markdown Scraper](https://www.zero.xyz/c/web-page-to-clean-markdown-scraper-bb28ae14/llms.txt): $0.09/call via x402. Fetches any webpage URL and returns clean, ad-free, nav-free Markdown optimized for LLM context, RAG pipelines, and autonomous agent research.
- [Crypto Wallet Holdings Lookup](https://www.zero.xyz/c/crypto-wallet-holdings-lookup-875c7e54/llms.txt): $0.003/call via x402. Returns token holdings, USD values, and portfolio breakdown for a given on-chain wallet address across multiple EVM chains
- [Web Page Scraper — Title, Description, Headings, Links & Clean Text](https://www.zero.xyz/c/web-page-scraper-title-description-headings-links-clean-text-b2769812/llms.txt): $0.09/call via x402. Fetches a web page by URL and extracts its title, meta description, headings, links, and clean readable text content.
- [Whale Transfer Alerts (Blockscout)](https://www.zero.xyz/c/whale-transfer-alerts-bl

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