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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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ASIN402Images, audio & videoAmazon price + price history + monthly sales by ASIN. One call, one ASIN: current buy box, Amazon, lowest new and used prices PLUS 30/90/180-day price averages and the typical 180-day price range, estimated monthly sales, sales rank, rating, review count, offer count, brand, category, image. From tracked marketplace history, not a page scrape. 11 Amazon marketplaces (domain=us, uk, de, fr, jp, ca,
Baseasin402.comfrom $0.00516 endpoints- 7767-2676.comAI & agents
Signed time-bounded witness of an agent-carried payload digest; the payload stays with the agent
Base767-2676.comfrom $0.0013 endpoints - Vvaunt-dispatch-production.up.railway.appCrypto & DeFi
True cost of trading xyz:COIN on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth within 1% and funding APR. Real fills, not quotes.
Basevaunt-dispatch-production.up.railway.appfrom $0.00119 endpoints - WWeb Search, News & Page ReaderMarkets & finance
Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online — latest news, current events, finance. Date, domain and exact-phrase filters.
BasePolygonArbitrum+1websearch.use.x402atlas.comfrom $0.015 endpoints - Xx402 Image ToolsImages, audio & video
Resize an image at a URL to a width, a height or both, keeping the aspect ratio inside the box by default (cover, contain, inside, outside or fill), optionally converting it. Returns a signed URL of the result, valid for an hour.
Baseimage.kagurazaka.devfrom $0.00110 endpoints - Xx402 Web ToolsImages, audio & video
Encode text or a URL as a QR code: PNG (base64 and a data URL) or SVG, with the size and error correction level you choose.
Baseweb.kagurazaka.devfrom $0.00110 endpoints - AAgent ToolsMarkets & finance
Currency exchange rates (European Central Bank reference rates) for price conversion, invoicing and travel budgets. Latest or historical by date.
Baseagent-tools.jbarkules.workers.devfrom $0.00121 endpoints - TThaiKitOther services
Find Thai subdistricts by name in Thai or English, tolerant of typos and missing tone marks (for autocomplete and address cleanup). Returns ranked matches with district, province, postcode and official names. Query: ?q=ยางเนิง สารภี (optional &limit=1-50, default 10)
Baseapi.thaikit.devfrom $0.00522 endpoints - Aagentum.latData & research
Mesmo dado do /verificar-cnpj (situação cadastral, Simples Nacional, endereço) — rota técnica liquidada pelo Facilitador CDP da Coinbase, só pra indexação no Bazaar/agentic.market. Não é um produto novo.
Baseagentum.latfrom $0.0119 endpoints - BBrazilayer MarketsSocial & people
The whole Brazilian market snapshot in ONE call, a third cheaper than one by one: official USD/BRL rate with the live crypto premium, macro indicators (Selic, IPCA, activity) and the latest headlines with sentiment, refreshed every 15 minutes. Same JSON as the single endpoints, keyed by name; 503 and no charge if fewer than half respond. Free sample, no payment: https://api.brazilayer.com/v1/merca
Baseapi.brazilayer.comfrom $0.00132 endpoints
Omni TerminalCrypto & DeFiOmni Terminal delivers fresh, deduplicated market-moving news and catalyst context across equities, crypto, macro, and forex for AI trading agents.
Base SepoliaBaseomniterminal.appfrom $0.00113 endpoints- Mmcp.blocksize.infoCrypto & DeFi
Real-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.
SolanaBasemcp.blocksize.infofrom $0.0024 endpoints - WWikipedia Article SummaryImages, audio & video
Wikipedia summary API - the plain-language summary of the best-matching Wikipedia article for a topic or query, in any language. Returns the article title, short description, summary extract, thumbnail image and canonical URL. A wikipedia / encyclopedia lookup for agents grounding answers on a topic. No match returns found:false. Data source: Wikipedia (CC BY-SA 4.0).
Basesearch.openverbs.comfrom $0.0027 endpoints
readfetch.comImages, audio & videoFetch a public URL and return its main readable content as Markdown or plain text, plus title, author, published date and site name. Strips navigation, ads and boilerplate. No JavaScript rendering by default (cheaper than readfetch_scrape); one Chromium fallback when plain HTTP is blocked. Prefer readfetch_fetch when you need raw status, headers, or non-HTML bytes; readfetch_scrape when the articl
Basereadfetch.comfrom $0.00312 endpoints- BBR IntelligenceMarkets & finance
Brazil bank lookup by COMPE code or ISPB: short name and full legal name (Central Bank of Brazil registry).
Basebr-intelligence.brverify-api.workers.devfrom $0.00216 endpoints
SEC Filings: 10-K, 10-Q, 8-KSocial & peopleSEC filings lookup: give a US stock ticker or CIK, get the company's recent SEC EDGAR filings (10-K, 10-Q, 8-K and more) with links, plus its profile.
BaseSolanadata.tollkit.devfrom $0.0029 endpoints- Xx402 AI ToolsImages, audio & video
Detects words and lines of text in a photo or screenshot (JPEG or PNG at a URL) with Amazon Rekognition, up to 100 words. Suited to signs, product labels and UI text; for documents use /v1/ocr.
Baseai.kagurazaka.devfrom $0.00212 endpoints - Iip402.xyzData & research
Paid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.
BasePolygonArbitrum+2ip402.xyzfrom $0.011 endpoint
BytemineSocial & peopleRead any company page in real time and return clean structured content, links, metadata, and the detected tech stack. Data is fetched live from the source.
Baseagents.bytemine.aifrom $0.0150 endpoints- HHALOWERK quantumwerkAI & agents
Interpolates a caller-supplied start and end temperature across a bounded number of steps using either a linear or geometric rule. It does not run an annealer, optimize a problem Hamiltonian or tune a schedule from hardware measurements.
Basequantum.halowerk.comfrom $0.00210 endpoints - Aapi.govparse.ioData & research
How much open federal money is in the dataset right now? Headline aggregates: active SAM.gov contract opportunities (and how many still have an open deadline), Grants.gov opportunities by status (posted vs forecasted), and USAspending award records on file with their total dollar amount.
BaseSolanaapi.govparse.iofrom $0.0015 endpoints
x402 Video IntelligenceImages, audio & videoYouTube video transcript extraction with per-segment timing. Returns the caption track as timed segments (start, duration, text) plus the full plain text, or as SRT subtitles. Uses the creator's manual captions when they exist and falls back to YouTube automatic captions. Never downloads media, so it stays fast and light. Cached per video and language. Use it to summarize a talk, quote a video wit
Basevideo.cyberwarex.comfrom $0.0012 endpoints
U2ACrypto & DeFiFind the right Web3 product for trading, perps, quests, or bridging using queries such as “perp DEX”, “bridge ETH to Base”, “Galxe quests” or “Banana Gun”. Get the best-matching product, supported networks, user perks, official site and a partner link. Referral links disclosed.
Baseu2a.com.aufrom $0.0017 endpoints- Aapi.tcgapi.devOther services
TCGPlayer current prices for every card in a set — useful for set value tracking and sealed Pokemon / Magic / Yu-Gi-Oh product pricing.
BaseSolanaapi.tcgapi.devfrom $0.0057 endpoints - CCrypto Data AgentCrypto & DeFi
Top DeFi yield pools with APY/TVL, filterable by chain (DefiLlama).
BaseSolanax402-crypto-data.vercel.appfrom $0.0022 endpoints - Sshelf.thirdmade.netCrypto & DeFi
Current transaction nonce for any address on Base or Ethereum. Agent tx bots need this before sending transactions.
Baseshelf.thirdmade.netfrom $0.00120 endpoints - BBrazil Data APIMarkets & finance
Official USD/BRL and EUR/BRL exchange rates (PTAX, Central Bank of Brazil).
BaseSolanabrasil-dados-api.onrender.comfrom $0.0024 endpoints - Kkaisha-api.hp-vladic.workers.devOther services
Japanese business-day calculator: check if a date is a business day, add N business days to a date, or count business days in a range. Accounts for weekends and Japanese national holidays; optional Saturday and year-end/new-year rules.
BaseSolanakaisha-api.hp-vladic.workers.devfrom $0.0022 endpoints
FortiSwapCrypto & DeFiList every token FortiSwap routes on the X1 blockchain (XDEX + Degen launchpad): mint, symbol, name, decimals, logo, USD price, 24h volume, TVL, trust tier, liquidity, and the isSpam / isVerified / riskReasons safety flags. Call this first to resolve a symbol to a mint before quoting or building an X1 swap.
SolanaBaseapp.fortiblox.comfrom $0.0013 endpoints
Yield.xyz MCPCrypto & DeFiDiscover DeFi yield opportunities across 80+ networks — 3,300+ staking, lending, vault, and RWA yields from Lido, Aave, Morpho, and more. Filter by token, network, yield type, or provider and sort by APY or TVL. Returns yield IDs (needed by every other tool) with APY, TVL, lock-up/cooldown periods, and KYC gating. Start here.
BaseAvalanchemcp.yield.xyzfrom $0.00112 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.