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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- SSQLGuard Instant CertData & research
Instant Cert — LEGACY TASTE ONLY Exact $0.05 for ONE mutating SQL PASS/FAIL. OFF TABLE as wealth. Prefer Authorize mutating SQL before execute via Pilot Challenge unlock POST /v1/challenge/unlock $100 (amount 100000000) or Gateway invoice $299/mo. Not a production authorize path.
Basesqlguard.iofrom $0.052 endpoints
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 - RreefjacoData & research
reefjaco POST /weather Current weather plus 3-day forecast for a city name (Open-Meteo, no key)
Basereefjaco.loujaxking1.workers.devfrom $0.021 endpoint
XR-PulseCrypto & DeFiXR-Pulse normalized XRPL signal feed (news + on-chain whale activity)
xrplBasepulse.xrpl-utilities.io—1 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 - Ppulse.chainverdict.xyzCrypto & DeFi
API uptime and reliability monitoring for any x402 endpoint: a live quality verdict covering availability, uptime, latency percentiles, 402-offer conformance, price-drift and payTo-stability flags. Deterministic and re-verifiable.
Basepulse.chainverdict.xyzfrom $0.032 endpoints - 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 - Pperm-sponsor-screen.iykykblog.workers.devDeveloper tools
Look up an employer's PERM (permanent labor certification / green-card sponsorship) filing history from public DOL OFLC disclosure data, fiscal years 2022-2026. Returns applications filed, certified/denied/withdrawn counts, certification rate, median offered wage (annualized), top job titles and SOC occupations, and most recent filing activity. Public-domain federal data.
Baseperm-sponsor-screen.iykykblog.workers.devfrom $0.051 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 - Nnostrpulse.xyzOther services
Top Nostr notes and authors by sat-zap velocity over a rolling window. Surfaces real-money sentiment — who the BTC/Nostr economy is literally paying to amplify. Fundamentally different signal from reposts/likes: zaps cost sats. Query ?window=15m|1h|6h|24h &scope=notes|authors &limit=N.
Basenostrpulse.xyzfrom $0.022 endpoints - 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 - Nnojunk-email-check.mick8511.workers.devAI & agents
Email address verification for AI agents: RFC 5322 syntax check, live MX/A DNS lookup, disposable-domain detection, role-address and free-mail-provider flags, typo suggestions (gmial.com -> gmail.com), normalized form and a low/medium/high risk score. One address or up to 20 per request, same price. No mailbox probing.
Basenojunk-email-check.mick8511.workers.devfrom $0.0011 endpoint - Nnojunk-domain-intel.mick8511.workers.devDeveloper tools
Domain intelligence in one call: RDAP registration (registrar, created, expires, age, status, nameservers), DNS records (A, AAAA, MX, NS, TXT, CNAME, SPF, DMARC), a live HTTPS probe (reachable, status, server, redirect target, HSTS), plus risk flags and a 0-100 risk score for new, parked, unreachable or badly configured domains.
Basenojunk-domain-intel.mick8511.workers.devfrom $0.0031 endpoint - Nnojunk-address-check.mick8511.workers.devCrypto & DeFi
Wallet and contract safety check before you send funds or approve a spender. Send an EVM address (Base, Ethereum, BNB Chain, Arbitrum, Polygon, Optimism, Avalanche); get a verdict (DANGER, SUSPICIOUS, NO KNOWN ISSUES), scam flags (phishing, theft, scam-token creator, sanctions, mixer, money laundering) and contract checks (source verification, proxy, age, owner privileges, reported malicious behav
Basenojunk-address-check.mick8511.workers.devfrom $0.011 endpoint
WAVE-1 Token ForecasterCrypto & DeFiShort-term price-movement forecast for any crypto token across 7 time horizons.
Basemcp.deep3.aifrom $0.0011 endpoint- EEvaluate expressionDeveloper tools
Evaluate a mathematical expression with optional named variables — arithmetic, comparison and logic operators plus functions like sqrt, abs, min, max, sin, cos, log, floor, round, etc. A syntax error, an undefined variable, or a non-finite result is a clean 400. The factorial operator is disabled for safety.
Basemath.openverbs.comfrom $0.0042 endpoints - Mmarketplace-price-api-production.up.railway.appSearch & web
Search TCGPlayer for trading card prices (Pokemon, Magic, Yu-Gi-Oh, etc.) by card name. Returns matching cards with market prices as JSON.
Basemarketplace-price-api-production.up.railway.appfrom $0.0011 endpoint - Llisting-grader-ai.lovable.appAI & agents
Product Listing Preflight — one metered assessment.
Baselisting-grader-ai.lovable.appfrom $0.051 endpoint - RRecords for AgentsSearch & web
Search contractor/trade licenses (TX TDLR electricians/A-C, FL DBPR construction) by free-text query, name, state, profession, or status.
Baselicenses.recordsforagents.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.