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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- PPolicyPulseSearch & web
Federal Register search, deterministic. Answers "new SEC rules on stablecoins", "is there an open comment period on AI", "when does this rule take effect". Full-text search over every US federal rule, proposed rule and notice, with effective dates, comment deadlines and docket ids — or mode=open-comments for comment periods closing soonest. Typed documents straight off the official API. No LLM, no
BaseSolanaPolygon+8policypulse.theaslangroupllc.comfrom $0.0212 endpoints - Nnojunk-stocks.mick8511.workers.devMarkets & finance
Stock Quotes quote: One symbol -> latest price, change, previous close, day high/low, volume, 52-week high/low, currency, exchange, name, market state.
Basenojunk-stocks.mick8511.workers.devfrom $0.0014 endpoints - Nnatur.halowerk.comSearch & web
Returns a single earthquake in decision-ready form, either by its USGS event identifier or as the most significant event matching a search. Magnitude is reported with the magnitude type, because moment magnitude and local magnitude are not interchangeable at the edges of their ranges.
Basenatur.halowerk.comfrom $0.0046 endpoints - Bbase-chain-gas-oracleCrypto & DeFi
Current Base network gas price, read live from a public Base RPC node (eth_gasPrice) and returned in both wei and gwei with the snapshot block it was read at.
Basemarket.561.groupfrom $0.0018 endpoints - MMarine ConditionsOther services
Latest NDBC buoy observation: wind, gust, waves, swell, pressure and water temperature, with a Beaufort and sea-state screen.
BaseSolanaPolygon+1marine-conditions.x402tookit.comfrom $0.027 endpoints - HHVAC Airflow & Load CalcOther services
Air changes per hour (ACH) from airflow and room volume, or the CFM needed for a target ACH.
BaseSolanaPolygon+1hvac-calc.x402tookit.comfrom $0.027 endpoints - GGrantPulseMarkets & finance
Federal grant search for grant-writer and nonprofit agents. Returns live Grants.gov results with agency insights and past-award context.
BaseSolanaPolygon+8grantpulse.theaslangroupllc.comfrom $0.1013 endpoints - Ddisruption.forgemesh.ioSocial & people
Returns matching company names with IDs plus links to their profile and intelligence endpoints — use it to resolve a search into specific companies before paying for deeper data
Basedisruption.forgemesh.iofrom $0.019 endpoints - CCareerPulseMarkets & finance
Wage-recovery check — unpaid overtime (FLSA 1.5x + CA/AK/NV daily rules + Ontario 44h), minimum-wage shortfall vs effective-dated 2025/2026 state tables, final-paycheck deadlines & penalties (CA waiting-time, MA treble, NY 100%, IL 5%/mo, WA double), UK unlawful deductions (3-month tribunal window + ACAS route + NMW bands). Computed amounts with statutory-damages exposure, citations, deadline math
BaseSolanaPolygon+8careerpulse.theaslangroupllc.comfrom $0.0513 endpoints - AAlphaPulseSocial & people
DeFi copy-trading vault discovery on Hyperliquid, GMX, dYdX and Gains Network — TVL, APR, risk profile and smart-contract assessment. For on-chain investing agents.
BaseSolanaRobinhood Chain+9alphapulse.theaslangroupllc.comfrom $0.0814 endpoints - TTalentPulseMarkets & finance
Layoffs and workforce-reduction tracker by industry and region — which companies are cutting jobs, what talent is newly available, who is counter-hiring, plus US WARN Act signals and BLS unemployment context. Real-time hiring-market intelligence for recruiting, sourcing and talent agents. Any industry, global, 10 languages.
BaseSolanaPolygon+8talentpulse.theaslangroupllc.comfrom $0.109 endpoints - Nnostr.halowerk.comOther services
Fetches kind 3 contact lists over up to twelve relays. Because kind 3 is replaceable, several relays regularly hold different versions; only the one with the highest created_at is used and the answer states which relays carried that version and how many older versions were seen, so a stale relay never quietly overwrites a current list. At depth 1 the answer is the account and its outgoing follows.
Basenostr.halowerk.comfrom $0.00110 endpoints - RRESET VerificaCrypto & DeFi
Quick status of a Mexican RFC in the SAT 69-B list (simulated operations: presumed, definitive, disproved, favorable ruling) and the article 69 lists (CSD revoked, firm debts, not located), with the version and date of each source and when its next publication is expected. Optional 'since' returns what changed after that date. No certificate: use company/verify for a certificate with folio.
Baseapi.resetparatodos.comfrom $0.0311 endpoints - Ggblin-sentinel.vercel.appCrypto & DeFi
Call before your agent acts on ETH, BTC or USDC on Base: are the Chainlink feeds fresh, and is any of the three in caution or risk-off? One normal/caution/risk-off verdict per asset from feed age, price moves and a USDC depeg check. Cheap enough to poll before every trade.
Basegblin-sentinel.vercel.appfrom $0.0022 endpoints - Ddefi-signals.orgCrypto & DeFi
Cross-venue perpetual funding rates (OKX, Kraken Futures, dYdX) for any major token. Per-venue annualized rates plus the cross-venue spread in percentage points — a ready-to-use funding arbitrage signal. Clean JSON for trading and research agents.
Basedefi-signals.orgfrom $0.0022 endpoints - Aapi.genesistokenlabs.comSearch & web
Use when an agent needs any web page as clean LLM-ready markdown (no ads, nav, or scripts) for RAG, research, or summarizing. Example input: GET /x402/v1/web-extract?url=https://example.com/article. Example output: {"url":"https://example.com/article","title":"…","markdown":"# Title\n\nBody text…","wordCount":812}
BaseEthereumArbitrum+3api.genesistokenlabs.comfrom $0.0015 endpoints - Xx402.agentfund.netCrypto & DeFi
Chainlink Oracle Price
Basex402.agentfund.netfrom $0.0013 endpoints - KKeylessCrypto & DeFi
LLM chat completion with no API key or signup (fast open model, meta-llama/llama-3.3-70b-instruct). OpenAI-compatible: set your SDK base URL to https://keyless.run/fast/v1. Flat $0.002 per call, up to 1500 output tokens. Charged only on success.
Basekeyless.runfrom $0.0022 endpoints - Ffuelscout.scalpstream.comData & research
FuelScout cheapest-fuel query (station-level where open data exists, regional averages otherwise)
BaseArbitrumPolygon+2fuelscout.scalpstream.comfrom $0.011 endpoint - VVetPulseAI & agents
Veteran discount finder for veteran and VA-benefits agents. Returns retail, dining, travel, recreation-access, and regional programs most veterans never claim — covering US, UK (Defence Discount Service/Blue Light Card), Canada, Australia (RSL), New Zealand (RSA), and Germany.
BaseSolanaPolygon+8api.vetpulse.theaslangroupllc.comfrom $0.058 endpoints - Ttollbooth-hello-testnet.sjwilliams8.workers.devAI & agents
Test endpoint for verifying x402 payment integration end to end. Returns a static greeting in the Agent Tollbooth standard response envelope. Not a data product — use it to smoke-test your x402 client for $0.001 before calling our compliance endpoints.
Base Sepoliatollbooth-hello-testnet.sjwilliams8.workers.devfrom $0.0011 endpoint - UUS GeographyData & research
Great-circle (haversine) distance between two coordinates in km, miles and nautical miles, with bearing and midpoint.
BaseSolanaPolygon+1geo-us.x402tookit.comfrom $0.026 endpoints
Live Open Data India & WorldMarkets & financeOfficial government and open data API: 94 public sources in one endpoint, 51 real-time, across India, Europe, Asia, Africa and Latin America. India: disaster alerts, CPI inflation, GDP, jobs, IFSC. World: earthquakes, weather forecasts and warnings, train and transit departures, flight and ship tracking, fuel and electricity prices, exchange rates, public tenders, company registries, geocoding, pu
Baseapi.jexxa.orgfrom $0.0051 endpoint
notary.genexxis.comDeveloper toolsCurrent UTC time (ISO and unix ms) signed by the genexxis notary key, with the signed message and signature for independent verification.
Basenotary.genexxis.comfrom $0.0032 endpoints
ciaudit.genexxis.comOther servicesLint a GitHub Actions workflow: actions not pinned to a commit SHA, missing or write-all permissions, pull_request_target with PR head checkout, script injection via event fields in run, secrets on the command line, curl|bash, self-hosted runners, deprecated set-output.
Baseciaudit.genexxis.comfrom $0.0083 endpoints- WWorld Bank Country DataSocial & people
Rank up to 6 countries on one indicator (GDP, growth, inflation, unemployment...) with the year of each value.
BaseSolanaPolygon+1world-bank.x402tookit.comfrom $0.027 endpoints - WWikidata FactsSocial & people
Country profile from Wikidata: capital, population, area, languages, currency, leaders, ISO codes, borders, with property ids.
BaseSolanaPolygon+1wikidata-facts.x402tookit.comfrom $0.037 endpoints - TThink and Grow WealthyImages, audio & video
A short coaching reflection on what you are working through. Send JSON with a text field. The reply acknowledges you, reframes the moment, offers one concrete next action, and closes with an affirmation signed Continue to Think and Grow Wealthy.
Basetgw-mindset-api.fly.devfrom $0.027 endpoints - Ooyapicks.appOther services
OyaPicks: recently resolved prediction markets and their winning outcome
Baseoyapicks.appfrom $0.032 endpoints - Aapi.agentinternetruntime.comOther services
SDK capabilities query ($0.01/request direct, or $0.003/request via Session Ticket at /v1/billing/tickets)
Baseapi.agentinternetruntime.comfrom $0.014 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.