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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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2,776 results- Mmcp.soundside.aiAI & agents
create_text — $0.01 USDC
Basemcp.soundside.aifrom $0.011 endpoint - Lllm-model-price-table.x402supply.comCrypto & DeFi
Ranks models cheapest first by blended USD per 1M tokens (inputShare weights input vs output). Filter by provider, mode, minContextTokens, input/output modality, function calling, vision and price caps. Skips sample_spec and models past their deprecation date.
Basellm-model-price-table.x402supply.comfrom $0.0051 endpoint - LLocus x402 ServicesOther services
Locus public pay-per-use API
Basejudge0.x402.paywithlocus.comfrom $0.0051 endpoint - JJapan Market CalendarMarkets & finance
Everything scheduled in Japanese markets on one JST date: BOJ, official data releases (JST/UTC times), JGB auctions, MOF flows, TSE holidays, SQ, gotobi, month-end.
Basejapan-market-calendar.after6labo.workers.devfrom $0.0021 endpoint - Iirm-api.canvas-cart.workers.devSearch & web
Full text of one section of the IRS Internal Revenue Manual (IRM). Get the id from GET /search?q=<keywords> or GET /part/:number. Use this when you need the complete, verbatim text of a specific IRM section on IRS examination, collection, appeals, penalty, or disclosure procedure, not a summary.
Baseirm-api.canvas-cart.workers.devfrom $0.011 endpoint - IIrish Used Car Market DataData & research
Is this specific Irish car listing good value? - Use to assess one listing you already have an id for: verdict (below/at/above market), percentage vs the comparable median, margin, up to 10 closest comparable listings and the listing's recorded price history.
Baseirish-auto-arbitrage-production.up.railway.appfrom $0.011 endpoint - Iimg402.devImages, audio & video
Upload an image with payment and get a public URL. Accepts multipart form-data (field 'image') or JSON {"file": "<base64>"}. 10MB max, permanent hosting (no expiration). PNG, JPEG, GIF, WebP.
BaseSolanaimg402.devfrom $0.011 endpoint - Iimf-datamapper-series.x402supply.comData & research
Returns one IMF DataMapper indicator (e.g. NGDP_RPCH real GDP growth) for one or more countries, optionally limited to a year range. Output has unit, per-country series of {year, value, forecast_flag}, and a top-level forecast_flag. A point is a forecast when year >= the current UTC year.
Baseimf-datamapper-series.x402supply.comfrom $0.0051 endpoint - Hhttp-security-headers-grade.x402supply.comOther services
Fetches a public http(s) URL (GET, up to 5 redirects, 10s timeout, body never read) and grades its security headers A+ to F. Returns score, present and missing headers, per-header findings with copy-paste fix values, and cookie flag issues.
Basehttp-security-headers-grade.x402supply.comfrom $0.011 endpoint - HHTTP Header CheckerData & research
Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took.
BaseSolanahttp-header-checker.underscoredone.comfrom $0.011 endpoint - Hhardwarehunter.ioAI & agents
Trusted hardware price intelligence: cohort medians (p25/median/p75) over distinct listings, rolling 90-day window, gated on provider-established currency and condition evidence. Benchmarks are per exact SKU (model plus capacity where applicable), carried in the response name and capacity fields. Insufficient components are served free; queries are charged only when trusted data is returned.
Basehardwarehunter.iofrom $0.011 endpoint - LLocus x402 ServicesOther services
Locus public pay-per-use API
Basegrok.x402.paywithlocus.comfrom $0.0011 endpoint - PPoint distanceOther services
Euclidean, Manhattan and Chebyshev distance between two 2-D points.
Basegeometry.openverbs.comfrom $0.0041 endpoint - GGeocode an addressDeveloper tools
Convert a free-form address or place name into ranked coordinates with a structured, normalized address. Optionally bias by country and language.
Basegeocode.openverbs.comfrom $0.0061 endpoint - Ffuse402.vercel.appCrypto & DeFi
Real-time Fuse payment network statistics — transaction volumes, network health, gas tiers, FUSE token price.
Basefuse402.vercel.appfrom $0.011 endpoint - Fforetagskoll.lolalex64.workers.devData & research
Swedish company lookup by organisation number: official name, legal form, active/deregistered status, ongoing liquidation or bankruptcy, registration date, address, SNI industry codes and business description. Source: Bolagsverket and SCB.
Baseforetagskoll.lolalex64.workers.devfrom $0.011 endpoint - AAI Web ExtractorSearch & web
AI Web Extractor — turn ANY url into clean, LLM-ready markdown. POST {url}; get the main content as markdown (boilerplate/nav/ads stripped) with title, description, and links. The scrape / read / url-to-markdown primitive for RAG and research agents. Fast, cheap, x402-native.
BaseSolanaextract.vevang.comfrom $0.011 endpoint - NNOB7E Evidence VerdictDeveloper tools
Evaluate a claim or question against one supplied HTML or PDF source and return anchored evidence.
Baseevidence-verdict-production.up.railway.appfrom $0.011 endpoint - EEdge Agents AICrypto & DeFi
Euro Area M3 from official ECB statistics, normalized for autonomous-agent use with explicit source timing, evidence and limitations. Purpose: give an agent the latest available euro area m3 with recent official history and source timing 24-hour freshness target; missing evidence is reported explicitly rather than invented.
BasexrplSolana+2edge-agents.aifrom $0.011 endpoint - DDomain IntelSocial & people
Company domain intelligence. Use when you need to know what a company's website runs on or how its email is set up: tech stack (CMS, e-commerce, analytics, chat, payments), email provider from MX, SPF/DMARC, domain age and registrar. No personal data.
Basedomain-intel.latamfx.workers.devfrom $0.0031 endpoint
DNSPulseDeveloper toolsDomain & DNS intelligence — records, SSL certs, subdomain discovery.
BaseSolanadnspulse.waltsoft.netfrom $0.0051 endpoint- PPort 402Crypto & DeFi
Store a JSON value under a key in your persistent memory (namespace = your paying wallet).
Basedesktop-klb86tv.tailc3a527.ts.netfrom $0.0021 endpoint - Ddawn.xoghks.comOther services
Korean Christian dawn-prayer journal article: 2026-10-29 육체의 일과 성령의 열매
Basedawn.xoghks.comfrom $0.011 endpoint
DAP Compute Market TrackerSearch & webSearch compute derivative contracts by venue, status, index and settlement.
Basedap.solutionsfrom $0.011 endpoint- Ccrypto.penguindriver.comCrypto & DeFi
165 涉詐網址比對(付費版)
BaseSolanacrypto.penguindriver.comfrom $0.011 endpoint
YourAITools CreditsCrypto & DeFiPrepaid API credits (sample pack). Prepaid credits for the YourAITools agent APIs: one x402 payment of $0.005 USDC mints an API key holding $0.005 of credits. Send it as Authorization: Bearer <key> to PayGuard, TokenVerdict, SignCheck, WebRead, InjectScan, DomainCheck, PkgGuard, StackDetect or AgentGate paid routes; each call debits its normal price instead of an on-chain payment. Key shown once.
BasePolygonArbitrum+1credits.agentgate.workers.devfrom $0.0051 endpoint- Ccontracts.memoryapi.orgSearch & web
Search active US federal grant opportunities on Grants.gov
Basecontracts.memoryapi.orgfrom $0.011 endpoint - CCombinations (nCr)Developer tools
Binomial coefficient nCr = n!/(r!(n-r)!), the number of unordered r-subsets of n. Requires r ≤ n and min(r, n-r) ≤ 10000.
Basecombinatorics.openverbs.comfrom $0.0041 endpoint - Cclearcut.clawca.shImages, audio & video
Remove the background from an image URL and return a hosted transparent PNG URL. Paid responses include a feedback_id. Please rate the result for other agents with one free GET: https://clearcut.clawca.sh/feedback/rate?feedback_id=FEEDBACK_ID&outcome=fully|partially|no.
Baseclearcut.clawca.shfrom $0.0011 endpoint - Cchina-trends-x402.onrender.comSearch & web
What China is talking about right now: merged real-time hot-search lists from Weibo, Baidu, Douyin, Zhihu, Toutiao, Bilibili, Tencent News and The Paper in one schema (rank, title, heat, link). Optional keyword filter (Chinese or English) to monitor a brand/topic. 中国实时热搜聚合:微博/百度/抖音/知乎/头条/B站/腾讯/澎湃。
Basechina-trends-x402.onrender.comfrom $0.0051 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.