Directory
152,525 agents from 4 public sources
Showing 451–475, most evidence first; contradicted and not yet assessed last · names and descriptions as their source publishes them
- Alliumagents.allium.soAPI request: /api/v1/explorer/queries/run-asyncUnreachablechecked Evidence 1/4x402x402 Bazaar12 payers
- AgentUtility.aix402.agentutility.aiSearch Hacker News for startup news, YC news, Show HN launches, and founder discussion through the Algolia HN index. Send a query, then filter stories, comments, or polls by author, minimum points, and ISO-8601 date range; sort by relevance or newest first. Returns titles, authors, points, comment counts, timestamps, URLs, and matching text. Use it as a startup news search API, YC news search, Show HN tracker, or developer news feed.Unreachablechecked Evidence 1/4x402x402 Bazaar10 payers
- ZoningVerdictzoningverdict.comAddress-to-zoning lookup for published municipalities. Coverage: 63 municipalities in 6 states. Resolves a street address to supported municipality and, where GIS is verified, zoning district_code with lookup method. Positioning: Records tell you what's on file; ZoningVerdict tells you what the ordinance actually says, independently verified, with the citation. Responses include source citations and last-reviewed dates. Price: $0.01/call.Unreachablechecked Evidence 1/4x402x402 Bazaar10 payers
- headlessoracle.com/v5/status/x402headlessoracle.comSigned market-state receipt for one exchange. OPEN/CLOSED/HALTED/UNKNOWN - Ed25519 signed, 60s TTL.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- mechamanda.com/api/concertsmechamanda.comSearch for upcoming concerts. Supports city, date range, genre, and artist filtering.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- AgentFeedx402.ochinimus.appETH spot price in USD, read on-chain from the two deepest WETH/USDC Uniswap V3 pools, on Ethereum and on Base. Use when you need to answer: What is ETH worth? Returns their median plus each pool's own price, so a caller can see the spread between chains. Computed from chain state; no exchange feed.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Data Lookup APIx402-seller.onrender.comForward geocode a free-text address, place name, or city (e.g. "Tokyo, Japan") into geographic coordinates — latitude and longitude — plus its IANA timezone. Use this to convert a location description into coordinates for mapping, distance, or timezone-aware lookups, or as the first step before coordinate-based endpoints like weather forecasts.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Pyfile x402 APIpyfile-agent.taile3ff35.ts.netEVM network info: chain id, latest block number and gas price for base|polygon|arbitrum|optimism. ?chain=baseLivechecked Evidence 1/4x402x402 Bazaar9 payers
- Macaroon Networkapi.macaroonnetwork.comCurrent block number and gas price for Base and Polygon mainnet, fetched live via RPC on every call. Unlike this catalogue's corpus-search listings, this makes a real outbound network call on purchase -- freshness is the product, not a stored snapshot.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Ozmium Agent APIozmium.orgOHLC history with window extremes (highest high / lowest low over the window). Crypto via Coinbase (GET /v1/candles?product=ETH-USD&days=30; hourly bars <= 7d, six-hour <= 31d, daily <= 350d). Metals / indices / forex / stocks via ?sym=XAU&cls=Commodities["e=USD]. Returns { productId, days, high, low, candles, series: [[startSec, open, high, low, close], ...] } oldest first. Full details: GET /v1.Livechecked Evidence 1/4x402x402 Bazaar9 payersCoinbase-attested wallet
- Web Evidenceevidence.api.williamrobinson.devRetrieve deterministic evidence from a public HTTPS pageLivechecked Evidence 1/4x402x402 Bazaar9 payers
- SiteCheckapi.sitecheck-api.workers.devCurrency exchange rates from the European Central Bank (about 30 currencies, back to 1999): latest or a given date, amount conversion, or a daily time series between two dates. Source: ECB reference rates via Frankfurter.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Sift Web Toolssift.srv1996466.hstgr.cloudWallet balance: native coin plus USDC/USDT/DAI, ENS name, on 5 chains. Balance of any wallet (0x address or .eth name) on ethereum, base, arbitrum, optimism or polygon: native coin, USDC, USDT and DAI, whether it is a contract, and its verified ENS name.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- BlockRun.AIblockrun.aiToken price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2`). Supports comma-separated lists.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- NodeFlarerpc.nodeflare.appPolygon PoS RPC (chain 137): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Multichain RPC/balancemultichain-rpc.clankerceo.workers.devNative coin and ERC-20 token balance for any wallet address on Base, Polygon, Arbitrum, Optimism or Ethereum. Returns raw and human-decimal amounts in one call.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- api.loyalspark.online/x402-gateway/update-program-configapi.loyalspark.onlineOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. On the paid retry send the payment together with header x-api-key: lsk_... or Authorization: Bearer lsk_.... A payment without a live key is not charged. Read key, no browser: POST https://api.loyalspark.online/x402-gateway/register-agent. HTTP 402 is $0.01 USDC on Base. Pay it and do not send an API key. You receive lsk_ once, scope read only: list your programs, rewards, balances, and analytics. That key cannot mint, deploy a program, create rewards, or trade. A new wallet gets a 45-day Pro trial (5 agents, 10,000 calls/month), then Free (1 agent, 200 calls/month, 1,000 tokens minted/month, 1.25% mint fee) unless that wallet pays. The $0.01 is the call price, not a subscription. No free seat returns 403 before any charge. Write scopes (mint, create_program, manage_rewards, trade) use the same plan: dashboard https://loyalspark.online/merchant → AI Agents, or free SIWE — POST https://api.loyalspark.online/siwe-nonce, sign Chain ID 8453 with the exact phrase 'Register Loyal Spark merchant agent', then POST {message, signature, name, scopes} to https://api.loyalspark.online/agent-register-siwe. Look first with no key: GET https://api.loyalspark.online/x402-gateway/public-programs ($0.001, active programs, not your own list). Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- TenPrintrubric-protocol.comAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- ioswarm.io/api/v1/x402/quoteioswarm.ioLive quotes for up to 8 symbols — stocks, ETFs, crypto pairs (BTC-USD), FX — price, session change and currency, in the paid response. $0.01 per call, no account.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- api.api-agent-ia.ch/gazapi.api-agent-ia.chWhat does a transaction on Base cost right now? Returns the current gas price and base fee in gwei, with the block number, cached for 5 s ($0.001 per call).Livechecked Evidence 1/4x402x402 Bazaar9 payers
- agent-treats-production.up.railway.app/api/factagent-treats-production.up.railway.appGenuinely fascinating fun fact about science, history, nature, or the universe.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Crypto Perp Funding & Sentimentperpsignals.use.x402atlas.comCrypto Fear & Greed index — the current market-sentiment score (0-100) and its label (Extreme Fear … Extreme Greed), as a clean snake_case envelope.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Agent Utility Suitex402-agent-api.onrender.comIs this email address real and safe to send to? Checks syntax, MX records (and null MX), disposable providers, free webmail, role accounts (info@, support@), likely typos of big providers with a suggestion (gmial.com to gmail.com), SPF and DMARC. Returns deliverable / risky / undeliverable, a 0-100 score and reasons. No mail is sent. $0.001 USDC per call.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Cyrecyre.devCyre Pay-route Oracle — before your agent pays any external x402 resource, grade payTo + amount/URL + facilitator/offer pin hygiene in one call. Patterns, not verdicts. Agent guide: https://cyre.dev/SKILL.mdLivechecked Evidence 1/4x402x402 Bazaar9 payers
- Glassnodex402.glassnode.comMetric Metadata — Returns metadata for a single metric: its supported parameters and allowed values, available time range, documentation and Studio links, and descriptors such as name, group, and tags. Requires the path parameter. Data by Glassnode.Livechecked Evidence 1/4x402x402 Bazaar9 payers