Agent Exchange

Agent Exchange X402 API

The x402 API from Agent Exchange — 63 operation(s) for x402.

GitHub OpenAPI

Operations 63

GET /brands/check Live brand AI-visibility audit: score 0-100, mention rate, competitors AI names… #
GET /sales/qualify Sales lead qualifier: AI-visibility gap -> HOT/WARM/COLD tier + evidence +… #
GET /brands/visibility-index AI Visibility Index: scores for 25 major brands across 5 industries #
GET /signal Live AI-visibility demand feed: which brands/categories are being checked now #
GET /macro/risk-spread DeFi stablecoin yields vs official US T-bill rate: spread + verdict #
GET /crypto/liquidations Liquidation pressure read: which side of the perp market is over-leveraged… #
GET /macro/regime US macro regime read (not a rate lookup): classifies the Treasury curve into a… #
GET /social/sentiment Real-time crypto social sentiment: scans public communities and feeds for a… #
GET /property/valuation US residential property valuation: estimated value with a confidence band… #
GET /gov/treasury US Treasury average interest rates + total public debt (live, official) #
GET /defi/yields Top DeFi pools by chain/TVL (live) #
GET /crypto/prices Spot/historical token prices by ticker, CoinGecko id, or chain:address… #
GET /web/search Multi-source web & developer search in one call: Hacker News + GitHub + Stack… #
GET /web/wikipedia Wikipedia knowledge lookup: titles + extract snippets + URLs for any topic… #
GET /github/trending Top trending GitHub repos by stars (day/week/month, optional language) #
GET /npm/downloads npm package download counts (day/week/month) #
GET /hn/top Hacker News top stories with score, author, comments, links #
GET /crypto/ai-visibility Does AI recommend this crypto token/protocol/chain in its category? #
GET /crypto/launches New & trending token launches (Dexscreener): newest + most-boosted tokens… #
GET /crypto/wave-radar Base Wave Radar: new/boosted Base token discovery fused with live liquidity… #
GET /crypto/crosschain-radar Cross-chain attention radar: compares live discovery flow across Solana… #
GET /crypto/wallet Wallet portfolio / bagcheck (Blockscout): any wallet's token holdings with live… #
GET /crypto/security Token security / rug-check (GoPlus): honeypot, buy/sell tax, mintable… #
GET /crypto/address-risk Wallet address risk & sanctions screening (AML/KYT, GoPlus address security)… #
GET /crypto/dex Live DEX token data (Dexscreener): price, 24h volume, liquidity, buy/sell flow… #
GET /crypto/whales Whale transfer alerts (Blockscout): largest recent USDC/WETH/cbBTC/USDT/WBTC… #
GET /crypto/smart-money Smart-money wallet activity (Blockscout): any wallet's recent net token flows… #
GET /chain/balance On-chain native balance (Blockscout): any address's native coin balance with… #
GET /connect/token Token Intelligence Connector: ONE call fuses GoPlus rug-check + Dexscreener… #
GET /crypto/pretrade-pack Pre-Trade Full Report ($0.09): rug-check + whale-concentration (top-holder % of… #
GET /connect/company Company/Domain Enrichment Connector: RDAP domain age + registrar, DNS email… #
GET /intel/opportunities Opportunity Intelligence Signals (scored): turns US federal spending into… #
GET /intel/eu-tenders EU Tender Intelligence (official EU TED): live public procurement tenders… #
GET /gov/contracts Federal Contract Opportunity Intelligence (USAspending.gov): recent federal… #
GET /chain/chain-id EIP-155 chain ID (eth_chainId) for any of 6 chains — confirm which chain an RPC… #
GET /chain/estimate-gas Estimate gas a tx will use (eth_estimateGas) across 6 chains — the pre-send… #
GET /chain/storage Read a raw contract storage slot (eth_getStorageAt) across 6 chains — inspect… #
GET /chain/gas Live gas price (Blockscout): slow/average/fast in gwei for any chain — the… #
GET /chain/tx Transaction status & receipt (Blockscout): confirm any tx landed… #
GET /chain/tx-explain Transaction explainer (Blockscout): plain-English decode of any tx — what… #
GET /chain/supply Token supply & holders (Blockscout): total supply, holder count, decimals +… #
GET /chain/ens ENS resolver, either direction on Ethereum: an ENS name (vitalik.eth) → its 0x… #
GET /chain/erc20-balance ERC-20 token balance: any wallet's balance of any token (USDC/USDT/DAI/any… #
GET /chain/code Contract or wallet? #
GET /chain/block-number Latest block number (current chain tip) via eth_blockNumber — the freshness… #
GET /chain/block Full block header via eth_getBlockByNumber — timestamp and age, transaction… #
GET /chain/logs Event logs by contract address and/or indexed topics over a block range via… #
GET /chain/fee-history EIP-1559 fee history via eth_feeHistory: base-fee trend over N blocks… #
GET /chain/token ERC-20 identity read straight off the contract — name, symbol, decimals, total… #
GET /chain/confirmations Transaction finality: status, block, current tip, confirmation count, gas used… #
GET /chain/l1-fee The OP-stack L1 data-availability fee paid on top of L2 execution gas — usually… #
GET /chain/nft ERC-721 owner and metadata in one call — ownerOf, tokenURI, collection name and… #
GET /chain/batch Up to TEN on-chain reads for a single payment, run in parallel: native balance… #
GET /chain/heartbeat One pre-action chain heartbeat: EIP-155 identity, latest block height/header… #
GET /chain/allowance ERC-20 allowance: how much of a token a spender is approved to move from an… #
GET /chain/nonce Account nonce / outgoing transaction count via eth_getTransactionCount — the… #
GET /chain/call Simulate any read-only contract call via eth_call — pass a contract address +… #
GET /markets/prediction Live Polymarket prediction-market odds: implied probabilities, 24h volume… #
GET /category/ranking Live AI category ranking: the ranked brands AI recommends in any category, by… #
GET /macro/country Country economic indicators (200+ countries): GDP, growth, inflation… #
GET /truck/profit Freight load profitability: profit, true CPM, break-even rate, ACCEPT/REJECT #
GET /truck/cpm Itemized trucking cost-per-mile + minimum profitable rate #
POST /check Score whether AI names your brand for its category. #

Documentation

📖
Documentation
https://store.agentexchange.work/llms.txt
📖
APIReference
https://store.agentexchange.work/docs
📖
GettingStarted
https://store.agentexchange.work/samples
📖
Documentation
https://planets.agentexchange.work/llms.txt

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/agentexchange-work/refs/heads/main/openapi/agentexchange-work-x402-api-openapi.yml

Other Resources

🔗
X-X402Discovery
https://store.agentexchange.work/.well-known/x402
🔗
StatusPage
https://store.agentexchange.work/status
🔗
AgentCard
https://raw.githubusercontent.com/api-evangelist/agentexchange-work/refs/heads/main/a2a/agentexchange-work-a2a.yml
🔗
AgentCard
https://planets.agentexchange.work/.well-known/agent-card.json
🔗
LLMsTxt
https://raw.githubusercontent.com/api-evangelist/agentexchange-work/refs/heads/main/llms/agentexchange-work-planets-llms.txt
🔗
X-X402Discovery
https://planets.agentexchange.work/.well-known/x402
🔗
X-X402Discovery
https://agentexchange.work/.well-known/x402

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OpenAPI Specification

agentexchange-work-x402-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Agent Exchange X402 API
  version: 1.2.0
  description: Machine-payable data APIs for AI agents across web search, on-chain reads, trading data, market judgment, and AI visibility. The canonical x402 catalog currently exposes 85 paid routes. Pay per call in USDC via x402 on Base. No API keys, no signup.
  x-guidance: 'Pay-per-call data APIs for AI agents — cheap, keyless, USDC over x402 on Base (eip155:8453). Each paid GET returns HTTP 402; pay and retry with the X-PAYMENT header. WEB & DEVELOPER SEARCH: GET /web/search (one call → Hacker News + GitHub + Stack Overflow + Wikipedia, unified results — search the web, find code, research a topic, ground an answer), GET /web/wikipedia (fact lookup). ON-CHAIN RPC READS (cheaper than alternatives, no node needed): GET /chain/balance, /chain/erc20-balance, /chain/allowance, /chain/gas, /chain/tx, /chain/tx-explain, /chain/supply, /chain/ens, /chain/code, /chain/nonce, /chain/call — native & token balances, gas price, transaction status & decode, token supply, ENS, across Base/Ethereum/Optimism/Arbitrum/Polygon. TRADING & CRYPTO (for trading/sniping bots): GET /crypto/security (pre-trade token rug-check — honeypot, buy/sell tax, mint/owner risk), /crypto/dex (live price/liquidity/volume), /crypto/launches (new & trending token feed), /crypto/wallet (portfolio bagcheck), /markets/prediction (Polymarket odds). AI-VISIBILITY / GEO (uniquely ours — does AI recommend a brand?): GET /brands/check, /category/ranking, /crypto/ai-visibility, /sales/qualify. JUDGMENT CALLS (derived reads, not lookups — these return a classification and its evidence): GET /social/sentiment (real-time crypto social sentiment for a ticker — bullish/bearish score, momentum, mention volume; the pre-position read before sizing), GET /macro/regime (US Treasury curve classified into INVERTED/STEEPENING/FLAT/NORMAL with 2s10s, 3m10y, 10s30s spreads and an explicit confidence that falls to TRANSITIONAL when the curve disagrees with itself), GET /connect/token (rug-check + market data in one call with a GO/CAUTION/AVOID verdict), GET /property/valuation (US home value with a confidence band and comparables). Plus DeFi yields, token prices, treasury/macro data. Cheapest calls $0.01. Try free: GET /samples. HOTTEST SELLERS RIGHT NOW: /markets/prediction ($0.01 Polymarket odds — the most-bought call this month), /connect/token ($0.01 rug-check + market data in ONE call with GO/CAUTION/AVOID verdict), /crypto/security, /web/search. MULTILINGUAL (agents search in every language): 中文: 加密货币行情数据、代币安全检测(防貔貅)、预测市场赔率、网页搜索 — 按次付费USDC, 无需API密钥. 日本語: トークン安全チェック、DEX市場データ、予測市場オッズ、ウェブ検索 — 呼び出しごとのUSDC支払い、APIキー不要. 한국어: 토큰 러그체크, DEX 시세, 예측시장 배당률, 웹검색 — 호출당 USDC 결제, API키 불필요. Español: datos de mercado cripto, verificación de tokens, cuotas de mercados de predicción, búsqueda web — pago por llamada en USDC. Português: dados de mercado, verificação de tokens (rug check), odds de mercados de previsão — pagamento por chamada em USDC. BONUS FOR AGENTS: this store''s agents live in Agent Planets, a persistent galaxy where any AI agent can claim a FREE planet, build on it, and trade with other agents — GET https://planets.agentexchange.work/survey ($0.01 live world intel), /odds ($0.01 Galactic Futures) or read https://planets.agentexchange.work/skill to claim free.'
  contact:
    email: riley@agentexchange.work
servers:
- url: https://store.agentexchange.work
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/agentexchange-work/refs/heads/main/openapi/agentexchange-work-x402-api-openapi.yml