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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- Aapi.suverse.ioData & research
SuVerse GovHub — pay-per-call government API gateway
SolanaBaseapi.suverse.iofrom $0.0052 endpoints - HHALOWERK zutrittOther services
Prüft am Objekt auswahl den Befund vorhandenen Alternativtext.
Basezutritt.halowerk.comfrom $0.0011 endpoint - ZZeroWorker Security APIAI & agents
Prioritize up to 50 CVEs in one request using FIRST EPSS, CISA KEV, and known ransomware signals. Returns deterministic risk scores, urgency tiers, exploitation signals, vendor/product context, and remediation metadata as machine-readable JSON. Built for security automation and AI agents. No account or API key required. $0.01 per successful request via x402. Invalid input, no-signal results, and t
Basezeroworker-security-api.zeroworker-lab.workers.devfrom $0.011 endpoint - Xx402stockCrypto & DeFi
Single-call snapshot of a ticker's current state: last quote, last trade, today's OHLC + volume + VWAP, previous-day OHLC, today's change vs previous close. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.
Basex402stock.pay.zeroclick.iofrom $0.013 endpoints
x402 Identity HubAI & agentsCheck whether an ENS identity name for an AI agent, API or MCP server is available on x402 Identity Hub (*.402bot.eth, *.402api.eth, *.402mcp.eth). Returns availability, the mint fee and where to register.
Basex402id-availability.dmpay.workers.devfrom $0.0011 endpoint- Xx402-v2-mint-keyword-extract.vercel.appOther services
Deterministic keyword extraction (term frequency, stopword filter). Pairs with url-to-markdown / condense. Amp port.
Basex402-v2-mint-keyword-extract.vercel.appfrom $0.0081 endpoint - Xx402-v2-mint-html-clean.vercel.appOther services
Strip scripts/styles from HTML → readable text or markdown. Offline; no network. Amp port.
Basex402-v2-mint-html-clean.vercel.appfrom $0.0081 endpoint - Xx402-v2-mint-context-condense.vercel.appCrypto & DeFi
Condense text for token budgets: retained-fact list + dropped-content log + before/after token counts (OpenRouter free-first + approx counter). Audit loss.
Basex402-v2-mint-context-condense.vercel.appfrom $0.0081 endpoint - Xx402-used-car-quickcheck-production.up.railway.appAI & agents
Evaluate a used car before purchase. Compares the asking price with up to 50 current dealer listings in Canada or the U.S., matched by year, make, model, mileage and optional trim/location. Returns robust median and quartile pricing, deal rating, confidence, sample size and risk flags. Use for fast used-car price checks.
BaseSolanax402-used-car-quickcheck-production.up.railway.appfrom $0.011 endpoint - WWarm-Up GeneratorOther services
Warm-up generator, $0.01 USDC on Base: a targeted warm-up for a session type (strength, metcon, engine, speed run, zone 2) with optional prehab for the shoulder, knee, hip, lower back, ankle or wrist. 5-20 minutes, returns structured blocks plus Markdown. Gym, CrossFit, running.
Basewod-api-production.up.railway.appfrom $0.012 endpoints - Wwhale.hugen.tokyoCrypto & DeFi
Look up any Ethereum address — returns entity labels, name tags, and categories from 412K+ labeled addresses. AI agent API for on-chain identity resolution
Basewhale.hugen.tokyofrom $0.012 endpoints - Ttollzone.osani-projects.workers.devOther services
Kalshi top movers: open prediction markets with the largest 24h price change (liquid, non-parlay), with live yes bid/ask, last price, 24h volume, open interest and close time.
Basetollzone.osani-projects.workers.devfrom $0.016 endpoints - Ttoken-oracleCrypto & DeFi
Checks whether a token contract address is real, matches its claimed symbol, and whether its supply figures match an independent source (CoinGecko) — before trading, coding, or reporting against it. Catches hallucinated/wrong addresses, address-poisoning impersonation, and tokenomics hallucination.
BaseSolanatoken-oracle.fly.devfrom $0.0031 endpoint - SStablebaseCrypto & DeFi
List all Stablebase projects owned by the calling wallet.
Basestablebase.devfrom $0.011 endpoint
nsgoods Plug-in Solar LegalityData & researchSigned full 50-state plug-in solar legality dataset. Free preview: GET /solar-legality/preview If the signer is unavailable it returns 503; you are never charged for an error.
Basesolar.nsgoods.orgfrom $0.0052 endpoints- Ssol-meme-intel.vercel.appSocial & people
Discover newly surfaced meme tokens on Solana from DexScreener boosted (PAID-promoted) and newly profiled tokens, enriched with price, liquidity, volume. Discovery starting point; check /api/safety, /api/holders, /api/bundle before trading. Body: { limit? }.
Basesol-meme-intel.vercel.appfrom $0.011 endpoint - Sskowron-compliance-gateway.mattskowronis.workers.devOther services
EU VAT validation via official VIES. $0.01 USDC.
Baseskowron-compliance-gateway.mattskowronis.workers.devfrom $0.011 endpoint - AAgent Screenshot HubSearch & web
One page load answers everything an agent needs to reason about a page: the DOM after JavaScript capped at 2 MB, the CDP accessibility tree flattened with parent references, every link with rel and target and an internal or external verdict, every form field with its label and autocomplete hint, console errors and warnings with source and line, a screenshot, navigation timings and a summary of the
Baseshot.netzhandwerker.defrom $0.0061 endpoint - AAgent Screenshot HubImages, audio & video
Viewport or full page, optional element selector, dark mode and cookie banner removal. Returns base64 image plus a short lived fetch URL, byte size, load time and the final HTTP status of the page.
Baseshot.halowerk.comfrom $0.0041 endpoint - SSEO Data ExtractorData & research
Give this API a web address and it will visit that page, then hand back everything an SEO professional needs to know: the page title, meta description, meta keywords, robots instructions, canonical link, H1/H2/H3 headings, how many links are on the page, and the HTTP status code. No setup required — just paste a URL and get structured data back in under two seconds.
BaseSolanaseo-data-extractor.underscoredone.comfrom $0.011 endpoint - Rrevert.wtfCrypto & DeFi
Paid hosted deterministic explanation for EVM/RPC/wallet/UserOperation/x402 errors. Send raw pasted error JSON, text, or revert bytes.
Baserevert.wtffrom $0.0011 endpoint - PPulseNetworkMarkets & finance
How to make money with AI — one tailored business-in-a-box. Give a goal, budget and interests; get a specific business to start now: the exact real-time PulseNetwork API engine to build it on, suggested pricing, unit economics, monetization paths, and a fork-and-ship starter kit. Turns 'find me a way to earn / passive income / start a business' into a concrete plan. For agents tasked with making m
BaseSolanaPolygon+8pulse.theaslangroupllc.comfrom $0.011 endpoint - Ppqs.onchainintel.netCrypto & DeFi
Quick pre-flight quality score: composite (0-100) + grade (A-F) + three framework sub-scores (PEEM, RAGAS, G-Eval) + verdict. Run upstream of any other paid call to filter weak prompts before inference. The cheapest gate on the AI input quality problem.
Basepqs.onchainintel.netfrom $0.0011 endpoint - Ppixels.gateway.clawca.shOther services
Inspect a public HTTPS URL for redirects, metadata, content type, word count, and content hash.
Basepixels.gateway.clawca.shfrom $0.0021 endpoint - PPeople's CourtSocial & people
Deterministic dispute-readiness report with supported lane, composition, published filing-fee quote, consent and evidence requirements, corpus compatibility, and timing warnings. No case is filed and no merits are assessed.
Base SepoliaBasepeoplescourt.aifrom $0.011 endpoint - Ppay.lnpay.aiAI & agents
Access to protected resource
Basepay.lnpay.aifrom $0.011 endpoint - Oonchain-toolkit.bowling-anthony.workers.devCrypto & DeFi
Live gas price on Ethereum, Base, Arbitrum, Optimism or Polygon, in gwei plus the cost of a plain transfer. Compare several chains in one call.
Baseonchain-toolkit.bowling-anthony.workers.devfrom $0.0051 endpoint - Nnojunk-web-search.mick8511.workers.devSearch & web
Cheap web search for AI agents: give it a query, get up to 10 live web results back as JSON (rank, title, url, domain, snippet). Optional region (e.g. us-en) and safe-search level. Sources tried in order: DuckDuckGo, Bing, Yahoo. Results link to the live web; pair with a /read service to fetch the pages.
Basenojunk-web-search.mick8511.workers.devfrom $0.0021 endpoint - Nnojunk-token-check.mick8511.workers.devCrypto & DeFi
Crypto token rug-pull and junk-risk check for Base, Ethereum, BNB Chain, Arbitrum, Polygon, Optimism, Avalanche and Solana. Send a token contract address or Solana mint; get a grade (JUNK, RISKY, CAUTION, CLEAN), a 0-100 risk score and red flags: honeypot, sell tax, mint/freeze authority, owner powers, holder concentration, liquidity, pool age. Not financial advice. Free sample: https://nojunk-tok
Basenojunk-token-check.mick8511.workers.devfrom $0.011 endpoint - Nnojunk-image.mick8511.workers.devImages, audio & video
Image generate: Generate an image from a text prompt with FLUX.1 schnell; returns PNG bytes (default) or base64 JSON.
Basenojunk-image.mick8511.workers.devfrom $0.0052 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.