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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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- Paid calls · 30 days
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4,372 results- MmagentOther services
Map a natural-language drug, diagnosis, or lab phrase to a current RxNorm, ICD-1
Baseapi.magentlab.comfrom $0.0054 endpoints - SStableFinanceMarkets & finance
Recent articles. With ticker: company news. Without: market news.
BaseSolanastablefinance.devfrom $0.028 endpoints - Sshield.vainplex.devOther services
ShieldAPI - x402 security preflight before agents accept or store credential material
Baseshield.vainplex.devfrom $0.0014 endpoints - CClimatePulseAI & agents
Is wildfire smoke affecting the air here right now? Smoke tracker — AQI estimate, nearby active fires, health risk level, mask and indoor-air guidance, and evacuation status for any location.
BaseSolanaPolygon+8climatepulse.theaslangroupllc.comfrom $0.0510 endpoints
Base wallet balancesCrypto & DeFiReturns the native ETH balance and ERC-20 token balances of one Base wallet address, read live from Base mainnet at the latest block: USDC, WETH and the rest of the top 200 Base tokens by market cap, plus up to 50 token contract addresses named in the request. Each row carries the token symbol, name, decimals, raw amount and human-readable amount. Suited to checking a wallet's current holdings bef
Baseapi.botx402.iofrom $0.011 endpoint
Olive MarlinAI & agentsx402 catalogue change history - Returns the observed change history of the public x402 facilitator catalogue: the newest appearance, disappearance, price and terms changes per tracked resource, plus observation coverage and its caveats. Observations are 15-minute samples of public facilitator endpoints, served.
Basex402-catalogue.agent.amnt.iofrom $0.011 endpoint- Ddeltasignal-mcp-gcp-canary-mhaufviwaq-uc.a.run.appAI & agents
ATLAS covenant stress detail for one issuer.
Basedeltasignal-mcp-gcp-canary-mhaufviwaq-uc.a.run.appfrom $0.063 endpoints - Bbusiness.agentum.latOther services
Counterparty pre-check for a Brazilian company: GET /preflight-cdp?q=<CNPJ (14 digits) | LEI code | company name>, e.g. ?q=68964713000109. Returns entity, status, band (clear/flagged/insufficient_data), flags and sources (Receita Federal, TCU, CNIA, CEIS, CNEP, CVM / GLEIF). Missing or invalid q = 400, no payment settled. — Mesmo dado do /preflight, liquidado pelo Facilitador CDP da Coinbase.
Basebusiness.agentum.latfrom $0.023 endpoints - NNZ Data APIData & research
Validate and normalise an NZ phone number to E.164 with type
Basenzdata.zakwins.workers.devfrom $0.0018 endpoints - GG-Forge Select CSV ColumnsData & research
Create a focused CSV export with only the columns you need. Select and reorder 1–32 named columns from supplied CSV text. Preserves row order and decoded cell text, then writes correctly quoted CSV. Missing columns are rejected. Useful for cleaner spreadsheet and API handoffs.
Baseapi.getretold.comfrom $0.0112 endpoints - CCrypto Market DataCrypto & DeFi
Real crypto market data in one batched call: price, market cap, market-cap rank, 24h volume/high/low/change, circulating/total/max supply, and all-time-high with date -- for BTC, ETH, SOL, and 17+ other major coins by ticker. Richer than a plain price feed: most stock-data APIs' crypto tickers report null market cap. From CoinGecko. $0.005/call.
BaseSolanax402-stock-indicators.vercel.appfrom $0.00510 endpoints - EEDGAR Fundamental ScoresCrypto & DeFi
Cheapest way to test this API and your x402 wallet. Returns the same one-line healthy/watch/distress verdict + fraud-risk flag as /v1/verdict, for one of these sample tickers: AAPL, MSFT, NVDA, TSLA, META, BRK-B, JPM, CVX, KO, SMCI (query ticker=, default AAPL). Data: SEC EDGAR 10-K XBRL. Errors are never charged (bad tickers rejected before payment; failed calls not settled).
Basefundamental-scores-x402.onrender.comfrom $0.00111 endpoints - Ffracht.halowerk.comOther services
Matches a shipment reference against caller-supplied carrier patterns. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age.
Basefracht.halowerk.comfrom $0.00110 endpoints - HHumanMirrorCrypto & DeFi
Independent pre-execution control for consequential autonomous-agent actions. Evaluate a proposed payment, tool call, send, write, publish operation, API action, or other external side effect before execution; return the required approval or human-review boundary and verify that risk stays within the declared limit. 3 bounded free preview calls are available via extensions.humanmirrorPreview.
Basehumanmirror.frfrom $0.015 endpoints
ChainQuery Bitcoin IntelligenceCrypto & DeFiChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. Live mempool fee-pressure signal (state low/moderate/high/severe + score in sat/vB).
Baseintel.chainquery.comfrom $0.0055 endpoints- WWeb SearchMarkets & finance
General web search reselling the Tavily Search API: query the live web and get back ranked results (title, URL, snippet, relevance score) plus an optional short synthesized answer, with basic or advanced search depth and optional domain include/exclude filters.
Base4yearcycle.comfrom $0.0053 endpoints - Ttrade.chainverdict.xyzCrypto & DeFi
Validate an IMO ship identification number check digit.
Basetrade.chainverdict.xyzfrom $0.0048 endpoints - AAgent Desk API: Event FactsCrypto & DeFi
Verified market-moving events for crypto agents: headlines categorized (liquidations, macro, regulation and more) and tagged to BTC/ETH, each with source, publisher, timestamp, original link, and a trust tier distinguishing primary official sources from aggregated headlines. Filter by symbol, category, and count. Fresh every 15 minutes.
Basedeskfeed.devfrom $0.0054 endpoints - GL1TCHSocial & people
Rug Radar: new Solana token launches (fresh pump.fun mints, DexScreener profiles and boosts), each scanned for rug-pull and honeypot risk and ranked riskiest first, with a verdict, a 0-100 score, its main red flag and its listing time. Refreshed about every 10 minutes. Pass since=<cursor> from the last answer to get only tokens listed after it. Use it to screen new memecoin launches before a tradi
SolanaBasegl1tchbased.xyzfrom $0.0019 endpoints
OrcpinCrypto & DeFiSingle-trade T+1 settlement date, as a one-line GET: given a trade date and an as-of date, returns the settlement date and whether it has settled, on the versioned NYSE holiday calendar with SEC Rule 15c6-1 cited. The low-integration sibling of the batch settlement-dates route — no request body. A dates fact, never a violation determination. Nothing is stored.
Baseorcpin.devfrom $0.015 endpoints- Xx402 Service FinderImages, audio & video
Find the best x402 API for a task. Describe what you need (for example "remove the background from a photo") and get the matching sellers from the CDP Bazaar ranked by relevance, how many distinct buyers paid them in 30 days, their uptime measured by our monitor every 6 hours, and price. Each result has its price, payers, uptime, median latency and how to call it (method and example input).
Basefinder.kagurazaka.devfrom $0.0021 endpoint - Hhexscan.xyzCrypto & DeFi
Is this token safe to buy? Honeypot check -- can the token be bought but not sold? Fast honeypot detection for ERC-20 tokens.
Basehexscan.xyzfrom $0.0012 endpoints - Sspace.halowerk.comOther services
Uses da/dt = -rho×sqrt(mu×a)/ballistic_coefficient for a circular orbit, holds density and ballistic coefficient constant, and linearly projects altitude over a bounded horizon. Real density changes rapidly with altitude and solar activity; the result is not a lifetime prediction or maneuver plan.
Basespace.halowerk.comfrom $0.00210 endpoints - Pprop.halowerk.comOther services
Compounds supplied rent and expense growth assumptions, applies vacancy and collection loss, subtracts operating expenses and capital reserve, and divides net operating income by a caller-supplied property value. This is scenario arithmetic, not a valuation, market forecast, investment recommendation, tax calculation or guarantee of income.
Baseprop.halowerk.comfrom $0.00210 endpoints - Aaialign.halowerk.comDeveloper tools
Aligns caller-labeled dimensions, computes cosine similarity and a normalized L1 difference, and flags drift against a supplied cosine threshold. It does not infer goals from behavior, decide which goal is correct or detect deception; results depend entirely on the supplied vector representation.
Baseaialign.halowerk.comfrom $0.0039 endpoints - Ddev-5090 uncensored inferenceSearch & web
Uncensored general chat (Qwen3.8-27B Heretic).
Basepearl-valium-stickers-upc.trycloudflare.comfrom $0.00523 endpoints - Aatkvn.comDeveloper tools
Public DNS records of a domain in one call: A, AAAA, MX, NS, TXT, CAA.
Baseatkvn.comfrom $0.0018 endpoints - Mmcp.gapup.ioAI & agents
Foreign exchange currency conversion rate lookup, returns live rate, timestamp and source for any currency pair
Basemcp.gapup.iofrom $0.00222 endpoints - Aads.forgemesh.ioSearch & web
Returns network-wide totals: total x402 events, service count, and a UA classification breakdown (agent vs browser vs bot). Use it to benchmark your service's agent-traffic share against the network.
Baseads.forgemesh.iofrom $0.0054 endpoints
TaifoonAI & agentsmcp.digest, sold by Taifoon: 9 sellers behind this wall, the best-ranked one answers; code checks the answer before you are charged (a failed answer is not charged), Jev grades it after. Price 0.006795 USDC.
BaseArbitrumEVM chain 5042+3taifoon.iofrom $0.00684 endpoints
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.