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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- VVennatta Document ExtractionData & research
Extract structured text, summaries, or metadata from supplied document text or a public HTTPS document URL.
BaseSolanavennatta-core.onrender.comfrom $0.013 endpoints
ZenSchedCrypto & DeFiZenSched `timesheet_status` — Shift-pair timesheet status for a period: complete/open, hours, GPS, approval/lock flags, pending edits. period: YYYY-MM, YYYY-MM-DD:YYYY-MM-DD, current (payroll window), or blank (calendar month). Optional worker_id, worker_ids_json, event_id. level: 0/1/2 vendor approval level (default 0 = approved_0). Pay-per-call $0.01 USDC; the paying wallet owns the org (auto-pr
Basemcp.zensched.comfrom $0.0115 endpoints- Sskill-auditSearch & web
Resolve a domain's DNS records (A/AAAA/MX/NS/TXT/CNAME) and flag basic email/security posture
Baseeltociear-skill-audit.hf.spacefrom $0.0055 endpoints - Aapi.aislabs.aiAI & agents
Single-CVE priority verdict from today's AIS ranked set (score, rank, factors) — or unlock every CVE route with an AIS CVE key ($19/30d): https://aislabs.ai/gateway/
Baseapi.aislabs.aifrom $0.0054 endpoints - VValidate Czech VAT numberData & research
Validate a Czech VAT (DIČ) number for a legal entity against the official register. Validity means the subject exists and is live in the VAT (DPH) register.
Basevat.openverbs.comfrom $0.0066 endpoints - SSpace Weather IntelligenceData & research
Current space-weather conditions — normalized NOAA SWPC Kp, solar wind, magnetic field, and X-ray flux used for solar-flare monitoring, with observation times and freshness.
BasePolygonArbitrum+1space-weather.use.x402atlas.comfrom $0.0053 endpoints - EEvidence402AI & agents
Read a public static HTTPS webpage as clean text with headings, links, timestamp and content hash. Use to ground an answer or ingest documentation. Respects robots.txt; no JavaScript or login.
Base SepoliaBaseevidence402.onrender.comfrom $0.0057 endpoints
wtsp.devImages, audio & videoWhether a number has a WhatsApp account, and nothing else: the cheapest way to clean a list before paying for profiles. /v1/profile gives the same answer plus the account's details. Query param: phone, with country code (e.g. +14155552671). Every answer is charged, “not on WhatsApp” included; a lookup WhatsApp does not answer is free.
Basewtsp.devfrom $0.0044 endpoints
SkyCastData & researchCurrent weather for a city or lat/lon: temperature, humidity, wind, conditions.
Baseskycast.clawca.shfrom $0.0012 endpoints- Oonchain-health.mick8511.workers.devSocial & people
Checks whether a signature was made by a claimed EVM address: EIP-191 personal_sign messages, EIP-712 typed data or a raw 32-byte digest, verified by ecrecover for wallets or ERC-1271 isValidSignature for smart-contract wallets (Safe, Coinbase Smart Wallet) on Ethereum, Base, Arbitrum, Optimism or Polygon. Returns validity, method, recovered signer and digest. Free sample: https://onchain-health.m
Baseonchain-health.mick8511.workers.devfrom $0.0025 endpoints - Llab.paidapis.netData & research
Freshness-tiered pricing: gas price + ETH/USD price, same data either way. ?freshness=cached ($0.002) serves the last known values with no network call; ?freshness=live ($0.02) forces a guaranteed-current fetch right now.
Baselab.paidapis.netfrom $0.0025 endpoints - Ggeld machen image-ocrImages, audio & video
JSON micro-tool for agents: GET ?url= (or POST url / image_base64) → local Tesseract OCR (English-first): text, word_count, confidence, width/height, fetched_at, timing_ms. COGS=0 — no upstream OCR API key. Demand-matched OCR class (competitors ~$0.005–$0.012). Brand: geld machen. x402 $0.01 Base USDC.
Basegeld-machen-x402.fly.devfrom $0.014 endpoints - Xx402checkCrypto & DeFi
Live x402 conformance pre-flight check: pass ?url=<x402 endpoint>, get a structured PASS/WARN/FAIL verdict on its 402 challenge before you trust it with a real payment.
Basex402check.arden-instance.workers.devfrom $0.0022 endpoints - Vvu.velvetdao.xyzCrypto & DeFi
Ask anything about crypto: real-time crypto insights, token analytics, trend detection and market intelligence.
Basevu.velvetdao.xyzfrom $0.015 endpoints - SSingapore ACRA Company RegistrySearch & web
Search Singapore MOE schools by name or postal code (optional level filter). Results include the school directory joined with subjects offered, CCAs, MOE programmes and distinctive programmes.
Basedata.finery.ccfrom $0.0052 endpoints - Ssrv1553682.hstgr.cloudCrypto & DeFi
Crypto Fear & Greed index: current value and classification plus 7-day history. Always-on, self-healing, verified onchain settlement. Source: Alternative.me.
Basesrv1553682.hstgr.cloudfrom $0.00163 endpoints - Ddata.japanagent.devSearch & web
Company name search across jurisdictions. jurisdiction=lei searches the global GLEIF LEI database (all countries); jurisdiction=jp searches the official Japan National Tax Agency corporate registry. Returns registered legal names, identifiers, and addresses. KYB / counterparty verification primitive.
Basedata.japanagent.devfrom $0.0023 endpoints - IIP Geolocation LookupData & research
Resolve any public IPv4/IPv6 address (or hostname) to geolocation for analytics, fraud, and ops agents. Returns ISO country code, region, city, IANA timezone, latitude/longitude, EU membership flag, and the matched network range. Backed by an embedded MaxMind GeoLite2 dataset (no external API calls). Private and reserved IP ranges are rejected; no shell access.
Basegeoip.bip-rep.comfrom $0.0051 endpoint - SSYNTHORACrypto & DeFi
Filter DefiLlama yield pools using red, activo or protocolo; optional pool_id requests bounded history. Returns up to 15 selected pools, APY/TVL fields, coverage and source-specific capture metadata. Class-based outlier and divergence rules are descriptive, with match gaps disclosed. Snapshot timing, pool comparability and investment outcomes are not independently established.
Baseapi.hergertsynthora.comfrom $0.019 endpoints - Llumierepaycheck.orgAI & agents
Score up to 100 x402 endpoints in one call. For teams: per-agent spend limits and an audit trail at lumierepaycheck.org/subscribe.
BaseSolanalumierepaycheck.orgfrom $0.0057 endpoints - Ddwelldata.ioDeveloper tools
Entry tier of the multifamily deals feed: every active listing at card level — address, price, units, advertised cap rate, listing URL, freshness — without the computed underwriting or scoring. Same coverage, cheapest way to evaluate the feed. Same query filters as the full feed. Every field typed; a query that matches nothing returns free — you never pay for a blank.
Basedwelldata.iofrom $0.014 endpoints - Bbunnvault.xyzOther services
BunnVault: Real-time Aave v3 USDC APY feed on Base Mainnet
Basebunnvault.xyzfrom $0.0051 endpoint - Wwebtools.genexxis.comAI & agents
Detects the technologies of a website homepage (CMS, e-commerce, frameworks, web server, CDN/hosting, analytics, tag managers, ad pixels, payments, chat, consent, security headers, fonts) with category, version when visible, evidence and confidence.
Basewebtools.genexxis.comfrom $0.014 endpoints - Ssanctions.genexxis.comCrypto & DeFi
Check a crypto address (BTC, ETH/EVM, TRON, USDT, XMR, LTC...) for an exact match with OFAC SDN digital currency addresses; returns the designated entity, currency and programs.
Basesanctions.genexxis.comfrom $0.0053 endpoints - Sstreamsage.newsSearch & web
No description yet.
Basestreamsage.newsfrom $0.011 endpoint - GGEDX402 SearchSearch & web
Tavily web search — POST { query, max_results?: 5 } on search.gedx402.com; ranked results via Tavily API. $0.042 USDC per request. AM-winning shape at /v1/search. Agent search: tavily, web search, serp, search lite, semantic search.
BasePolygonArbitrum+2search.gedx402.comfrom $0.016 endpoints
blackhullAI & agentsblackhull route: best-rated ai-analysis providers, 2026-10-30. Measured by Blackhull from public data; every finding carries its evidence and can be disputed free at /dispute. Try it free: add ?sample=1.
Baseblackhullsystems.comfrom $0.0036 endpoints
Lorg CheckCrypto & DeFiIs this address safe to pay? Sanctions lists, scam labels, EIP-7702 sweeper wallets, address-poisoning look-alikes and where the wallet's first funds came from. A signed allow, caution or block, an action and the reasons.
Baseapi.lorglabs.comfrom $0.012 endpoints- Bbanking-compliance-production.up.railway.appSearch & web
Search the federal banking compliance rules database. 56 rules across Reg DD, Reg Z, UDAAP, ECOA, BSA/AML, and more.
Basebanking-compliance-production.up.railway.appfrom $0.0031 endpoint - Pproxy.0000402.xyzOther services
Pay $0.01 USDC to make an outbound HTTP request through the proxy. Supports all standard HTTP methods, custom headers (including auth), and JSON or raw bodies. Responses are returned as text or base64-encoded binary. Max response size 10 MB, timeout 30s. Each request performs one upstream fetch and returns the final URL plus response metadata.
Baseproxy.0000402.xyzfrom $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.