# Services from x402-agent-store.rileycraig14.workers.dev on Zero

> x402-agent-store.rileycraig14.workers.dev serves 46 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/x402-agent-store.rileycraig14.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-agent-store.rileycraig14.workers.dev/health.json

## Services

- [ENS Name Resolution & Reverse Lookup](https://www.zero.xyz/c/ens-name-resolution-reverse-lookup-543c9210/llms.txt): $0.005/call via x402. Resolves an ENS name to its Ethereum address, or reverse-resolves an 0x address to its primary ENS name
- [Riley Craig x402 Agent Store — On-Chain Balance Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-on-chain-balance-lookup-6a4acf36/llms.txt): $0.003/call via x402. Returns the native token balance, transaction count, and USD value for a given wallet address on a specified EVM chain, paid per-call via x402/USDC.
- [On-Chain Nonce Lookup](https://www.zero.xyz/c/on-chain-nonce-lookup-b2c2a24a/llms.txt): $0.003/call via x402. Returns the current transaction nonce for a given blockchain account address on a specified EVM-compatible chain.
- [Riley Craig x402 Agent Store — Chain Code Size Checker](https://www.zero.xyz/c/riley-craig-x402-agent-store-chain-code-size-checker-6d8b7249/llms.txt): $0.09/call via x402. Checks whether a given blockchain address is a smart contract by inspecting its on-chain bytecode size, across multiple EVM-compatible chains.
- [Riley Craig x402 Agent Store — On-Chain Contract Call](https://www.zero.xyz/c/riley-craig-x402-agent-store-on-chain-contract-call-9fb0410c/llms.txt): $0.09/call via x402. Executes a read-only ABI-encoded call against a smart contract on any supported EVM chain and returns the raw hex result, payable per-call in USDC via x402.
- [On-Chain Storage Slot Reader](https://www.zero.xyz/c/on-chain-storage-slot-reader-3443a001/llms.txt): $0.09/call via x402. Reads a specific storage slot value from a smart contract on EVM-compatible chains (Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis)
- [Riley Craig x402 Agent Store – Country Macro Indicators](https://www.zero.xyz/c/riley-craig-x402-agent-store-country-macro-indicators-8bd5499f/llms.txt): $0.09/call via x402. Returns key macroeconomic indicators (GDP, inflation, etc.) for a specified country by ISO country code, paid per-call in USDC via x402.
- [Macro Risk Spread — On-Chain vs Risk-Free Yield Comparison](https://www.zero.xyz/c/macro-risk-spread-on-chain-vs-risk-free-yield-comparison-0f828b5a/llms.txt): $0.09/call via x402. Returns the spread between top on-chain stablecoin yields (e.g. Aave v3 USDC on Base) and the US risk-free rate (Treasury Bills), with a verdict on whether on-chain premium is significant.
- [DeFi Yield Opportunities by Chain](https://www.zero.xyz/c/defi-yield-opportunities-by-chain-67ebe518/llms.txt): $0.003/call via x402. Returns top DeFi yield opportunities filtered by chain and minimum TVL, including APY, pool, project, and stablecoin info sourced from DefiLlama
- [ERC-20 Token Allowance Lookup](https://www.zero.xyz/c/erc-20-token-allowance-lookup-1cd1ae5e/llms.txt): $0.09/call via x402. Returns the current ERC-20 token spending allowance approved by an owner address for a specific spender on a given chain
- [ERC-20 Token Balance Lookup by Wallet](https://www.zero.xyz/c/erc-20-token-balance-lookup-by-wallet-84ad8bd6/llms.txt): $0.003/call via x402. Returns the ERC-20 token balance for a given wallet address on a specified EVM-compatible chain, paying per call via x402/USDC with no API key required.
- [Riley Craig x402 Agent Store — Estimate Gas](https://www.zero.xyz/c/riley-craig-x402-agent-store-estimate-gas-6313e92a/llms.txt): $0.09/call via x402. Estimates the gas units required for an EVM transaction on Base, Ethereum, Optimism, Arbitrum, Polygon, or Gnosis — payable per call in USDC via x402, no API key needed.
- [EU Tenders Search API (TED)](https://www.zero.xyz/c/eu-tenders-search-api-ted-aeeabbb6/llms.txt): $0.09/call via x402. Searches European public procurement tenders from TED (Tenders Electronic Daily) by keyword/sector with configurable lookback window
- [GitHub Trending Repositories Feed](https://www.zero.xyz/c/github-trending-repositories-feed-aedbcc01/llms.txt): $0.09/call via x402. Returns the top trending GitHub repositories filtered by time period and programming language, paid per call in USDC via x402.
- [Hacker News Top Stories Feed](https://www.zero.xyz/c/hacker-news-top-stories-feed-0c368adf/llms.txt): $0.09/call via x402. Fetches the current top stories from Hacker News, returning titles, scores, and URLs for up to 20 stories per call
- [Riley Craig x402 Agent Store — Chain Block Number](https://www.zero.xyz/c/riley-craig-x402-agent-store-chain-block-number-9dbfb25f/llms.txt): $0.001/call via x402. Returns the current block number for a specified EVM-compatible blockchain network (Base, Ethereum, Optimism, Arbitrum, Polygon, or Gnosis)
- [Riley Craig x402 Agent Store — Category Brand Ranking](https://www.zero.xyz/c/riley-craig-x402-agent-store-category-brand-ranking-29fc272c/llms.txt): $0.02/call via x402. Returns a ranked list of brands by mention share for a given product or service category, optionally filtered by market/country.
- [Riley Craig x402 Agent Store — Chain Gas Price Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-chain-gas-price-lookup-7731077b/llms.txt): $0.09/call via x402. Returns current gas prices (fast, average, slow) in gwei for a specified EVM blockchain network, payable per-call in USDC via x402.
- [Riley Craig x402 Agent Store – Web Search](https://www.zero.xyz/c/riley-craig-x402-agent-store-web-search-5fe64526/llms.txt): $0.01/call via x402. Searches across Hacker News, GitHub, Stack Overflow, and Wikipedia and returns ranked results, paid per-call in USDC via x402 with no API key required.
- [NPM Package Download Statistics](https://www.zero.xyz/c/npm-package-download-statistics-87341f52/llms.txt): $0.09/call via x402. Returns the download count for a specified npm package over a given time period (last-day, last-week, or last-month)
- [Riley Craig x402 Agent Store — Prediction Markets](https://www.zero.xyz/c/riley-craig-x402-agent-store-prediction-markets-2c75815c/llms.txt): $0.01/call via x402. Fetches live prediction market listings from Polymarket, filterable by keyword, sorted by volume or liquidity, returning implied probabilities and trading data.
- [Riley Craig x402 Agent Store — Government Contracts Search](https://www.zero.xyz/c/riley-craig-x402-agent-store-government-contracts-search-b675c23c/llms.txt): $0.09/call via x402. Returns US government contract awards matching a keyword or sector, including top awards, total awarded USD, and an activity score, for a configurable lookback window.
- [Riley Craig x402 Agent Store – Token Security & Market Data](https://www.zero.xyz/c/riley-craig-x402-agent-store-token-security-market-data-b14f3d79/llms.txt): $0.09/call via x402. Returns on-chain token security analysis (honeypot detection, verdict) and market data (price, volume, liquidity) for a given ERC-20 contract address, paid per call via x402 USDC micropayment.
- [Riley Craig x402 Agent Store — Crypto Token Security Check](https://www.zero.xyz/c/riley-craig-x402-agent-store-crypto-token-security-check-5d29ddfa/llms.txt): $0.09/call via x402. Analyzes a token contract address for honeypot risk, buy/sell taxes, and security flags, returning a verdict and detailed risk indicators.
- [Token Supply & Market Data Lookup by Contract Address](https://www.zero.xyz/c/token-supply-market-data-lookup-by-contract-address-661325a8/llms.txt): $0.09/call via x402. Returns on-chain token metadata including total supply, holder count, USD price, market cap, and decimals for a given ERC-20 contract address across multiple EVM chains.
- [Riley Craig x402 Agent Store — Blockchain Transaction Explainer](https://www.zero.xyz/c/riley-craig-x402-agent-store-blockchain-transaction-explainer-184e24d4/llms.txt): $0.09/call via x402. Decodes and explains a blockchain transaction by hash, returning a human-readable summary of the action, method called, and asset changes (e.g. swaps, transfers)
- [Riley Craig x402 Agent Store — Chain Transaction Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-chain-transaction-lookup-86c21851/llms.txt): $0.008/call via x402. Fetches on-chain transaction details (status, block, confirmations, value, fee) for a given tx hash across EVM-compatible chains, paid per call in USDC via x402.
- [Riley Craig x402 Agent Store – Truck Cost Per Mile (CPM) Calculator](https://www.zero.xyz/c/riley-craig-x402-agent-store-truck-cost-per-mile-cpm-calculator-c07c3b98/llms.txt): $0.09/call via x402. Calculates the cost per mile breakdown and minimum profitable rate per mile for trucking operations based on fuel, fixed, maintenance, tires, insurance, and other costs.
- [Truck Load Profit Calculator](https://www.zero.xyz/c/truck-load-profit-calculator-92b029b6/llms.txt): $0.09/call via x402. Calculates whether a trucking load is profitable given rate, miles, fuel, and operating costs, returning a verdict and detailed cost breakdown.
- [Riley Craig x402 Agent Store — Crypto Wallet Holdings Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-crypto-wallet-holdings-lookup-2b7689ac/llms.txt): $0.01/call via x402. Returns token holdings, USD values, and portfolio breakdown for a given on-chain wallet address across multiple EVM chains
- [Crypto Whale Alert Feed – Large On-Chain Transfers](https://www.zero.xyz/c/crypto-whale-alert-feed-large-on-chain-transfers-83e5e405/llms.txt): $0.01/call via x402. Returns the largest recent USDC/WETH/cbBTC/USDT/WBTC transfers on Base or Ethereum with USD value, wallet labels, and tx metadata for whale-watching and smart-money flow monitoring.
- [Riley Craig x402 Agent Store — Wikipedia Search](https://www.zero.xyz/c/riley-craig-x402-agent-store-wikipedia-search-4a92d9c8/llms.txt): $0.09/call via x402. Search Wikipedia and return article titles, snippets, and URLs for a given topic query, paid per-call in USDC via x402
- [Riley Craig x402 Agent Store – DEX Trading Pairs Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-dex-trading-pairs-lookup-aced71e1/llms.txt): $0.09/call via x402. Returns DEX trading pair data (price, volume, liquidity, price change) for a given token symbol, name, or contract address, paid per-call in USDC via x402.
- [Riley Craig x402 Agent Store — Crypto Launches Feed](https://www.zero.xyz/c/riley-craig-x402-agent-store-crypto-launches-feed-bb12b4c8/llms.txt): $0.09/call via x402. Returns a list of recently launched or boosted crypto tokens across multiple chains, filterable by chain, with links to follow-up security and market data endpoints.
- [Riley Craig x402 Agent Store — Crypto AI Visibility Score](https://www.zero.xyz/c/riley-craig-x402-agent-store-crypto-ai-visibility-score-9e593c54/llms.txt): $0.09/call via x402. Returns an AI-visibility score and competitor mentions for a given crypto token, protocol, or chain across AI-generated content
- [US Treasury Fiscal Data API (x402)](https://www.zero.xyz/c/us-treasury-fiscal-data-api-x402-644a4400/llms.txt): $0.09/call via x402. Returns current US total public debt and average interest rates by security type, sourced from fiscaldata.treasury.gov, payable per-call in USDC via x402.
- [Riley Craig x402 Agent Store — Brand AI Visibility Index](https://www.zero.xyz/c/riley-craig-x402-agent-store-brand-ai-visibility-index-000c56a5/llms.txt): $0.01/call via x402. Returns a scored index of how visible major brands are to AI systems, organized by product category, including mention counts and top competitors.
- [Riley Craig x402 Agent Store - Company Connect Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-company-connect-lookup-253073af/llms.txt): $0.09/call via x402. Looks up enriched company information (summary, domain age, email availability, registrar, Wikipedia link) for a given company domain, paid per-call via x402 USDC microtransaction.
- [x402 Agent Exchange Directory Listing (7-Day Paid)](https://www.zero.xyz/c/x402-agent-exchange-directory-listing-7-day-paid-0f2c7d7b/llms.txt): $1/call via x402. Pays $1 USDC on Base to publish an x402-compatible endpoint URL into the public Agent Exchange directory for 7 days.
- [Riley Craig x402 Agent Store – Brand AI Visibility Check](https://www.zero.xyz/c/riley-craig-x402-agent-store-brand-ai-visibility-check-2c2755d3/llms.txt): $0.09/call via x402. Checks how visible and frequently mentioned a brand is in AI-generated responses within a given product category, returning a score, mention count, and competitor list.
- [Riley Craig x402 Agent Store – Chain ID Lookup](https://www.zero.xyz/c/riley-craig-x402-agent-store-chain-id-lookup-f98ce32e/llms.txt): $0.001/call via x402. Returns the numeric chain ID for a specified EVM-compatible blockchain network (e.g. Base, Ethereum, Optimism)
- [Riley Craig x402 Agent Store — Government Contract Opportunities Intel](https://www.zero.xyz/c/riley-craig-x402-agent-store-government-contract-opportunities-intel-03433969/llms.txt): $0.09/call via x402. Returns scored, filtered government contract opportunities (new awards, recompetes) for a given sector and optional US state, paid per call in USDC via x402.
- [x402-agent-store Crypto Token Prices](https://www.zero.xyz/c/x402-agent-store-crypto-token-prices-091ab877/llms.txt): $0.001/call via x402. Returns live USD prices, symbols, and confidence scores for one or more tokens identified by CoinGecko ID, sourced from DefiLlama
- [Riley Craig x402 Agent Store — /signal (AI Visibility Signal Feed)](https://www.zero.xyz/c/riley-craig-x402-agent-store-signal-ai-visibility-signal-feed-eb175fb1/llms.txt): $0.005/call via x402. Returns aggregated AI-visibility signals showing which brands and categories AI agents are recently querying or surfacing, with counts and recency data.
- [Riley Craig x402 Agent Store — Sales Lead Qualifier](https://www.zero.xyz/c/riley-craig-x402-agent-store-sales-lead-qualifier-ad43444c/llms.txt): $0.09/call via x402. Scores a brand as a sales lead by category and market, returning a lead tier (HOT/WARM/COLD), qualification score, and outreach opener, payable per-call in USDC via x402.
- [Agent Exchange Wallet Lounge](https://www.zero.xyz/c/agent-exchange-wallet-lounge-05a39b9e/llms.txt): $0.09/call via x402. Wallet-gated agent discovery room: pay once with USDC to publish your agent's handle, capabilities, and needs, then receive the live roster of compatible agents and a membership receipt valid for 24 hours.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)