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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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4,372 results- OOutcomeScoutCrypto & DeFi
Turn a news headline into the matching Polymarket prediction markets to trade. One call returns the top markets ranked by relevance, each with live odds/implied probability, 24h drift, spread, on-book liquidity, volume, resolution date, and a ready bet link. Use when a trading agent reacts to breaking news and needs the tradeable market instantly. $0.01 USDC on Base.
Baseoutcomescout.vercel.appfrom $0.011 endpoint - Iitalycheck.italycheck.workers.devAI & agents
Look up an Italian public administration or public-service operator by 11-digit codice fiscale in IndicePA (AgID). Use when an agent must verify a public-sector counterparty, find its official PEC (certified email) addresses, or confirm it exists before e-invoicing. Input: ?cf=80016350821.
Baseitalycheck.italycheck.workers.devfrom $0.0051 endpoint - HHyperliquid Funding ExtremesSocial & people
Full Hyperliquid funding extremes (carry-cost leaderboard)
Basehl-tool.darren-pi.workers.devfrom $0.0021 endpoint - Ggateway.drillr.aiMarkets & finance
Paragraph-cited semantic search over indexed SEC filings
Basegateway.drillr.aifrom $0.011 endpoint - Ffree-api-resell.relayhop.workers.devOther services
Polymarket prediction-market listings. Query: ?limit=1-100. Source: Polymarket Gamma API (free).
Basefree-api-resell.relayhop.workers.devfrom $0.0022 endpoints - EexecboxDeveloper tools
Execute code in any supported language. 5s CPU timeout, 128MB RAM. Supports 40+ languages including Python, JavaScript, C, C++, Java, Go, Rust.
Baseexecbox.xyzfrom $0.0021 endpoint - Ddartapi.ljaysk.comOther services
Korean corporate disclosure (DART) event stream, cursor-based delta. All filings, classified with importance score.
BaseSolanadartapi.ljaysk.comfrom $0.0023 endpoints - Ccompanylens.ve1iko.chatgpt.siteSocial & people
Resolve a UK legal company name or registration number to a sourced Companies House profile. Returns company status, incorporation, SIC codes, registered office, filing due dates and overdue flags. Use for company research and CRM enrichment. Ambiguous names return candidates without settlement. Does not verify trading websites or provide credit scores.
Basecompanylens.ve1iko.chatgpt.sitefrom $0.011 endpoint - MMoon phaseDeveloper tools
Compute the Moon's phase name, age in days since the last new moon and illuminated fraction (0..1) for a UTC date/time. Uses the mean synodic month (29.53 days).
Baseastro.openverbs.comfrom $0.0043 endpoints
RAVNCrypto & DeFiRAVN — best-price swap quotes across 22 execution venues and 18 chains, including native (non-wrapped) Bitcoin as either source or destination. 0% protocol fee, non-custodial. Returns a quoteToken; pass it to POST /execute.
BaseSolanaapp.ravn.exchangefrom $0.0013 endpoints
QuorumzSearch & webNews articles, each with the quorums and viewpoints related to the article.
Baseapi.quorumz.comfrom $0.0056 endpoints- Aapi.doseplot.comAI & agents
Pharmacokinetic simulation for one compound: walks the published model at one dose and cadence and returns the modelled serum curve over the requested horizon plus a 60-day washout tail. Deterministic math over published reference data -- not medical advice, not a prescription, and for relay to a human decision-maker rather than autonomous administration.
Baseapi.doseplot.comfrom $0.015 endpoints - Aapi.ambolt.devSearch & web
Resolve a company name, website domain, registry number, LEI or VAT number to its official legal entity: registry, registry number, legal form, status, address, industry codes, size where published and LEI. Searches national registers (Norway, Finland, Czechia, Slovakia, France, UK, Latvia; Poland by KRS number) and GLEIF, scores the match and links every record to its source. Company-level only:
BasePolygonSolanaapi.ambolt.devfrom $0.011 endpoint - AANIME INTELLIGENCEOther services
PRICE: 0.005 USDC. Multilingual vague-to-canonical shopping intelligence for physical anime collectibles. Accept requests such as 'I want a ONE PIECE figure', 'a big cheap Pikachu plush', 'é¨å±ã«é£¾ãããã£ãããã¾ã', or 'a Japan-only Luffy figure' even when the exact product is unknown. Interpret hard identity constraints plus soft preferences such as budget, color, size, style, gift
Solanaanime-intelligence.goodmy0312.workers.devfrom $0.0055 endpoints - FFortune DemoOther services
Random fortune — fixed price; x402 exact or MPP one-shot
Baseagentcash-fortune-demo-six.vercel.appfrom $0.0011 endpoint - AACODA Liquidation IntelligenceCrypto & DeFi
Aggregated perp market state: OI-weighted mark/index price, open interest, funding, per-venue breakdown and freshness across 7 live venues.
Baseacoda.xyzfrom $0.012 endpoints - Xxx402.vercel.appOther services
获取任意位置的天气
Basexx402.vercel.appfrom $0.0011 endpoint - TTradeAPEX related conceptsAI & agents
Related concepts for a word or short phrase, from a self-derived semantic model (no transformer). Measured class-separation AUC 0.846. Unknown words are not charged.
Basetradeapex.aifrom $0.022 endpoints - Ttools.rocketman.devOther services
Use when you need to check whether an IBAN is valid and extract its country, bank code and check digits.
Basetools.rocketman.devfrom $0.0014 endpoints - CClassic Ciphers and EncodingsData & research
Grade 1 Braille text to Unicode Braille cells and back, with number sign, capital sign and dot numbers per cell.
BaseSolanaPolygon+1text-ciphers.x402tookit.comfrom $0.024 endpoints - Pproperty-risk-passport-api.lifebite-app.workers.devOther services
Evaluate a US property address for parcel match, FEMA flood zone, flood proximity, taxing entities, school district, permit history, zoning/land-use context, insurance red flags, due-diligence risk score, quality score, recommended next steps, and official source links.
Baseproperty-risk-passport-api.lifebite-app.workers.devfrom $0.0011 endpoint - Mmru-oracle.comMarkets & finance
MUR exchange rates (Bank of Mauritius): Bank of Mauritius consolidated indicative rupee exchange rates for GBP, USD, EUR and JPY (per 100), with buy/sell/mid and ~26 business days of USD/EUR/GBP history.
Basemru-oracle.comfrom $0.0013 endpoints - Mmoltbillboard.comSearch & web
Browse live MoltBillboard placements — machine-readable offer surfaces, trust signals, and attribution primitives for agentic commerce.
Basemoltbillboard.comfrom $0.0011 endpoint - MMachina URL to MarkdownSearch & web
Extract readable content from any URL as clean Markdown. Strips navigation, ads, footers. Returns title, author, date, word count. 15-min cache per URL. Use when an agent needs webpage content as text.
Basemach402.devfrom $0.0051 endpoint - KKertivo LogsAI & agents
Filter a JSON/NDJSON event log by field/operator/time range; returns matching events. Use when an agent needs to pull matching rows (thresholds, equality, substring, threshold crossings, time windows) out of a log or metrics event list. Body: {events:[...]|"<ndjson>", filter:{field,op,value?,direction?,timeField?,from?,to?,limit?}}. Ops: gt,gte,lt,lte,eq,ne,contains,crosses_threshold. Free demo at
Baselogfilter.hectichustle.workers.devfrom $0.0051 endpoint - Kkronos.forgemesh.ioAI & agents
Returns current market risk state, per-symbol signal streaks, and active cooldown timers — use it as a pre-trade risk gate before acting on any signal. Typical agent tasks: check if BTC or ETH is in cooldown before a trading agent acts, confirm signal streak length for momentum context, gate an autonomous workflow on risk state, or add a safety check ahead of a decision call. Fresh continuously, U
Basekronos.forgemesh.iofrom $0.026 endpoints
Graph AdvocateCrypto & DeFiOn-chain x402 settlement summary for an address from the decentralized x402 Base subgraph on The Graph Network. POST {address}. Returns lifetime stats as payer + recipient (totalPayments, totalVolume, first/last seen), recent 10 payments each direction, facilitator metadata if applicable, plus indexed_through_block for freshness. Decentralized, verifiable. Distinct from /ask. $0.01 USDC on Base.
Basegraphadvocate.comfrom $0.013 endpoints- Ddiet.agentic-jp.comSearch & web
Search current Japanese (JP) National Diet members by name (kanji, kana, or romaji), party, or constituency. Returns matching members with their canonical ids for use with GET /members/:id. Use to resolve a politician name to a record.
BasePolygonSolanadiet.agentic-jp.comfrom $0.0051 endpoint - DDegenGraphCrypto & DeFi
latest pump.fun -> PumpSwap migrations
Basedegengraph.comfrom $0.0015 endpoints
BorderScoutOther servicesUS border wait times: live CBP waits at all 85 US-Mexico and US-Canada land ports of entry, ranked by drive time plus wait for each lane (standard, SENTRI/NEXUS, Ready Lane, FAST) for passenger, commercial or pedestrian traffic. BorderScout
BaseArbitrumPolygon+2borderscout.scalpstream.comfrom $0.011 endpoint
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.