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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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2,935 results- EExchange Trading CalendarMarkets & finance
Use when an agent needs to know if a stock exchange trades on a given day (default today) before scheduling orders, reports or alerts. 28 exchanges incl. NYSE, Nasdaq, LSE, Xetra, Euronext, SIX, Tokyo, HKEX, Shanghai, ASX. Returns holiday name, hours in local time + UTC, half days, lunch breaks, pre/after-market (Nasdaq, Xetra), live status, next open/close, previous/next trading day. Official exc
Basehandelskalender-api.pages.devfrom $0.0023 endpoints - AAgent GuildAI & agents
Agent Guild paid read (fraud_check): collusion suspicion scores, reasons and cluster identifiers Use when an autonomous agent needs to: list agents at or above a minimum collusion suspicion score; review flagged agents and their collusion suspicion reasons.
Baseagent-guild-5d5r.onrender.comfrom $0.0052 endpoints
x402checkCrypto & DeFiCheck a counterparty before paying: OFAC SDN, phishing and drainer feeds, a live watch of drainer infrastructure, transaction simulation and injected-instruction analysis. Returns a score and a signed ES256 attestation.
BasePolygonArbitrum+3x402check.xyzfrom $0.00352 endpoints- PPower Strip SecurityAI & agents
Prompt-injection scanner for content your agent is about to read. Returns a risk score (0-1), a level (low/medium/high), findings and the cleaned text wrapped as untrusted data (hidden text, invisible characters, data-exfiltration links, instruction-override phrases in 13 languages). Deterministic. Content is scanned in memory and never stored. Not charged if it fails. Also: /v1/read $0.005, /v1/s
Baseapi.powerstripsecurity.workers.devfrom $0.0024 endpoints
PickleCheckCrypto & DeFiPickleCheck endpoint check: is it safe to pay this x402 endpoint? Reads its payment offer and pay-to wallet (sanctions, Circle blocklist, changed pay-to, history, buyers) before you pay. It looks, never pays; unreachable or bad input are not charged.
Basepicklecheck.onrender.comfrom $0.0052 endpoints
Usaref - N America referenceSocial & peopleCentral-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 10 North American countries including United States, Canada, Mexico; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for CA, MX, US. JSON with value, unit, effective date, official source URL and last_confirmed; a country with n
Baseusaref.devfrom $0.0025 endpoints- Ccleared.inkImages, audio & video
Wan Text-to-Video Job (480p)
BaseSolana Devnetcleared.inkfrom $0.011 endpoint
Lumi Market IdeasCrypto & DeFiLumi Market Ideas (educational, not financial advice). Rule-based technical read for one of 51 large-cap crypto assets (XRP, BTC, ETH and more): label (Strong Buy to Strong Sell) and score, 1h/4h/1d labels, indicator summary (RSI, MACD, EMA stack, Bollinger, StochRSI, volume) and price with 24h change. From public exchange candles; 1h refreshes about every 13 min. Paper-trade analysis, not investm
Basexrplstellarapi.lumitrades.iofrom $0.00413 endpoints- Xx402.creative-tim.comOther services
View component code after payment
Basex402.creative-tim.comfrom $0.012 endpoints - Xx402helper.xyzOther services
Find US court cases, opinions and dockets naming a business, with case name, court, date, citation, docket number and nature of suit.
SeiBaseSolana+2x402helper.xyzfrom $0.0016 endpoints - DDomain IntelCrypto & DeFi
Resolves A, AAAA, MX, NS, TXT, CAA and SOA, reads the WHOIS record of the responsible registry, checks SPF, DMARC and known DKIM selectors, opens a TLS handshake for issuer, validity, chain and SAN list, and collects subdomains from Certificate Transparency. Fields that a registry refuses to answer are reported as unknown, never guessed.
Basedns.halowerk.comfrom $0.00311 endpoints - Ssimilarity.openverbs.comCrypto & DeFi
Sørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word order and minor edits.
Basesimilarity.openverbs.comfrom $0.00210 endpoints - Eenergybilltoolkit.co.ukSearch & web
Place Distance tool: Search for places by name — returns coordinates, population, country, and admin region.
Baseenergybilltoolkit.co.ukfrom $0.00113 endpoints - MMiniFrame ToolsImages, audio & video
Use when a Brazilian postal code needs to become a real address — filling a form, validating a delivery, completing a customer record. JSON body { cep } (8 digits). Returns street, complement, neighborhood, city and state (UF). Queries BrasilAPI first and falls back to ViaCEP automatically, so one upstream outage does not fail the task; both sources return the same normalized shape. CEP is postal/
Basetools.miniframe.com.brfrom $0.0056 endpoints - Ppercallapi.comOther services
Inspect telecom carrier, network codes, and line type (mobile vs. landline vs. VoIP burner fraud detection) via Twilio. Provide ?phone=+14157012311.
Basepercallapi.comfrom $0.015 endpoints
PowaHubMarkets & financeProvides market value prices for numismatic coins.
Baseapi.powahub.aifrom $0.005110 endpoints- KKronos BTC ForecastCrypto & DeFi
Kronos BTC price forecast (latest, from the live HUD). Experimental/informational only — not financial advice.
Baseapi.nexismvp.comfrom $0.0018 endpoints - BBacon ServicesImages, audio & video
Use when an agent needs a web-ready image: shrinks a PNG, JPEG or WebP to a maximum width and converts it to WebP, keeping transparency.
Basebaconservices.comfrom $0.018 endpoints - Aapi.lastlookdata.comData & research
LastLook Data — current 30-year US Treasury yield (DGS30). Alias for /api/current?id=DGS30.
Baseapi.lastlookdata.comfrom $0.014 endpoints - EECB FX RatesImages, audio & video
Public holidays and business-day count for any of 200+ countries (and subdivisions) over a date range: holiday names, weekend rule, business days, next business day. For travel, deadlines, delivery and scheduling agents.
Basebase-token-check.vercel.appfrom $0.0112 endpoints
PaywallWatchSocial & peopleUse when an agent needs email validation, screening only, for an address from a form, a scrape or a CRM and must decide whether it is worth sending to. Screens the address: syntax, DNS mail exchanger, disposable domain, role account, free provider and common typos. It does not verify that the mailbox exists. A DNS failure answers 503 and is not charged.
BaseSolanaapi.paywallwatch.comfrom $0.0032 endpoints- Aapi.oassis.devSearch & web
Opens a browser session and returns the map of controls.
Baseapi.oassis.devfrom $0.0027 endpoints
sanctions.nsgoods.orgCrypto & DeFiSigned multi-chain OFAC SDN address screening (USDC on Base or Solana)
SolanaBasesanctions.nsgoods.orgfrom $0.0053 endpoints- SSupplier Payment Decision AgentAI & agents
Registers an RSA public key (2048-bit or larger, PEM) used to sign payment-decision requests. Keys are immutable per tenant; rotate by registering a new key_id.
Basesupplier-payment-verifier-production.up.railway.appfrom $0.0054 endpoints
Mearef - Mid-East reference dataSocial & peopleCentral-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 9 Middle Eastern countries including Saudi Arabia, United Arab Emirates, Israel, Qatar; also CPI, income, corporate and withholding tax, social contributions, holidays. JSON with value, unit, effective date, official source URL and last_confirmed; a country with no such rate says so. GET /v1/{country}
Basemearef.devfrom $0.0025 endpoints
Machina SportsData & researchResolves a provider id (api_football, sportradar, opta, entain, espn) or canonical machina URN to the entity it identifies, with all cross-provider ids attached.
Basemachina.pay.zeroclick.iofrom $0.012 endpoints
Afriref - Africa reference dataSocial & peopleCentral-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 34 African countries including South Africa, Nigeria, Kenya, Egypt; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for EG, KE, NG, ZA. JSON with value, unit, effective date, official source URL and last_confirmed; a country wit
Baseafriref.devfrom $0.0025 endpoints- Xx402-domain-check.vercel.appSearch & web
Clinical trials search (ClinicalTrials.gov, NLM): filter by condition, intervention/drug, sponsor, status, location. Returns NCT id, title, status, phase, conditions, interventions, sponsor, enrollment, dates, locations summary, link. Not charged on errors.
Basex402-domain-check.vercel.appfrom $0.0120 endpoints - SSCRIPTMASTERLABSMarkets & finance
FRED economic data API. Fetch the latest official Federal Reserve economic-series value and metadata by FRED series ID.
Basesqueezeos-api.onrender.comfrom $0.00166 endpoints - Ddep.halowerk.comOther services
Calculates release intervals and inactivity from current registry timestamps. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age.
Basedep.halowerk.comfrom $0.0039 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.