Explore APIs
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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- Paid endpoints
- 87K
- Paid calls · 30 days
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All projects
915 results- MMindPulseAI & agents
Sleep and mental health for mental-health and wellness agents. Returns a CBT-I protocol, the sleep-mood connection, and when to seek specialist help.
BaseSolanaPolygon+8mindpulse.theaslangroupllc.comfrom $0.089 endpoints - IInsurePulseSocial & people
Renters insurance premium estimate and coverage calculator — right coverage amounts, carrier comparison, umbrella guidance, and a country-aware estimated monthly premium from public benchmarks. For insurance and personal-finance agents, any country.
BaseSolanaPolygon+8insurepulse.theaslangroupllc.comfrom $0.088 endpoints - FFranchisePulseMarkets & finance
Franchise broker landscape for franchise-buyer and entrepreneur agents. Returns consultant commission conflicts, fee-only alternatives, questions to ask, and red flags.
BaseSolanaPolygon+8franchisepulse.theaslangroupllc.comfrom $0.088 endpoints - CChronicaPulseSocial & people
Obituary research for genealogy and family-history agents. Returns death notices, survivor lists, and genealogical detail from historical newspaper archives.
BaseSolanaPolygon+8chronicapulse.theaslangroupllc.comfrom $0.059 endpoints
PerpRadar by AgentGateImages, audio & videoBulk token risk check API for Base (batch honeypot and rug scan). Batch Base token risk verdicts: up to 20 ERC-20 addresses in one call, priced per address, each with the same fixed JSON as /v1/verdict (verdict safe / caution / danger, risk_score 0-100, honeypot and tax simulation, owner privileges, proxy, LP, holders, verified, age; unknown when a source is down). Charged only when at least one a
BasePolygonArbitrum+1api.youraitools.cofrom $0.000569 endpoints- SSolSentryCrypto & DeFi
Full risk assessment for an SPL token mint: risk score and level, the flags that drove it, bundle detection, the deploying wallet when it is known, and a human-readable summary. Where the mint has already been resolved, the recorded outcome is returned alongside the original prediction.
Solanaapi.solsentry.appfrom $0.0047 endpoints
GenTech DefiCrypto & DeFiGenTech Labs x402 - Security
BaseAvalancheX Layer+3api.gentechlabs.netfrom $0.00521 endpoints- VVerifiable Random ToolsImages, audio & video
Verifiable Random shuffle — a uniform Fisher-Yates permutation bound to a future drand round the server waits for (typically 3-6s) and verifies locally, with original indices and a reproducible proof transcript.
BasePolygonArbitrum+1verifiable-random.use.x402atlas.comfrom $0.0053 endpoints - Sscribe.vimabrosta.comDeveloper tools
Look up a domain: registration data from RDAP (registrar, created, expires, status, nameservers), live DNS records (A, AAAA, MX, NS, TXT, CNAME), the TLS certificate served at the name (issuer, validity, alternative names, fingerprint), and the HTTP front door (status, server, redirect). One JSON answer, no API key, no rate-limited WHOIS. GET with ?name= or POST. $0.005.
BaseSolanascribe.vimabrosta.comfrom $0.0053 endpoints - NNetIntel RouterSearch & web
Which x402 endpoint should I call? Describe the job in plain words; get the 3 best endpoints from different providers, each health-checked live just now, with its current price quote, its inputs and the reasons — ranked over the whole Coinbase Bazaar catalog by fit, real paying demand and health. Uncharged when nothing passes.
BaseSolanarouter.netintel.devfrom $0.0022 endpoints - VViewportWitness by Apex LabsSearch & web
DOM to Markdown: extract readable content from a public HTML webpage
BaseSolanaqa.honeygate.appfrom $0.0053 endpoints - Ppkg-oracleCrypto & DeFi
Checks whether an npm, PyPI, or crates.io package is safe to install: confirms it exists, flags malicious or typosquatted/slopsquatted names, checks known CVEs (OSV.dev), and pulls its OpenSSF Scorecard. Returns an ALLOW/WARN/BLOCK verdict before your agent installs it.
BaseSolanamcp-snowy-dew-9447.fly.devfrom $0.0031 endpoint
Paxie.Matrix Data APISocial & peopleOne Robinhood Chain Uniswap v4 or v3 pool: 1-minute buckets for the last 60 minutes (net ETH, buy ETH, sell ETH, buy and sell swap counts) plus its burst history.
BaseSolanaapi.paxie.funfrom $0.0057 endpoints- UURL Unwrap / Redirect TracerCrypto & DeFi
Trace an HTTP redirect chain to its final destination without downloading page bodies. Returns every hop (URL + status), the final URL, and safety warnings — link-safety grounding for agents before they visit or cite a URL. Clean JSON.
BasePolygonArbitrum+1unwrap.use.x402atlas.comfrom $0.0091 endpoint - ChainScoutCrypto & DeFi
On-chain intelligence — whale transfers trending tokens DeFi TVL on Base and Ethereum
BaseSolanaEVM chain 5042chainscout.lonestaroracle.xyzfrom $0.055 endpoints - WWorld CitiesSearch & web
Nearest world cities to a latitude and longitude within a radius, with distance and compass bearing.
BaseSolanaPolygon+1world-cities.x402tookit.comfrom $0.028 endpoints - QQR Code & Identicon GeneratorCrypto & DeFi
Identicon generator — turn an exact UTF-8 seed into a deterministic mirrored avatar returned as base64-encoded SVG or PNG in JSON.
BasePolygonArbitrum+1visuals.use.x402atlas.comfrom $0.0052 endpoints - UUS Tax CalculatorsOther services
Which US federal income tax bracket a taxable income falls in: marginal rate, bracket edges and dollars to the next bracket.
BaseSolanaPolygon+1us-tax-calc.x402tookit.comfrom $0.028 endpoints - UUS Counties and FIPSSearch & web
Rank US counties by July 2025 population estimate, nationally or within one state; largest or smallest first.
BaseSolanaPolygon+1us-counties.x402tookit.comfrom $0.028 endpoints - SStablecoinPulseCrypto & DeFi
Stablecoin peg tick — USDT, USDC, USDS, DAI, USDe, USD1 in ONE $0.01 call: live price, deviation from $1, 24h change, and a deterministic STABLE / WATCH / ALERT verdict per coin. Built for monitoring loops: call it every cycle, escalate to /api/depeg-watch for the single-coin deep read when a verdict is not STABLE. 60s freshness, cited to CoinGecko, no LLM in the path.
BaseSolanaPolygon+8stablecoinpulse.theaslangroupllc.comfrom $0.015 endpoints - NNutriPulseSocial & people
Personalized nutrition plan for nutrition and fitness agents. Returns macros, meal timing, and supplement guidance tuned to goals.
BaseSolanaPolygon+8nutripulse.theaslangroupllc.comfrom $0.028 endpoints - NNASA Media LibraryImages, audio & video
Find Apollo mission photos and media (missions 7 to 17) in NASA's library, with mission year and photo-id prefix.
BaseSolanaPolygon+1nasa-media.x402tookit.comfrom $0.028 endpoints - MMachine Learning MetricsOther services
Sentence BLEU (1-4 gram, brevity penalty, optional smoothing) and ROUGE-1, ROUGE-2, ROUGE-L F1 for text against references.
BaseSolanaPolygon+1ml-metrics.x402tookit.comfrom $0.028 endpoints - MMarkup and Text Extraction ToolsSearch & web
Extract the h1-h6 heading outline from supplied HTML and flag missing or multiple h1, skipped levels and empty headings.
BaseSolanaPolygon+1markup-tools.x402tookit.comfrom $0.028 endpoints - LLocale and Formatting ToolsData & research
Format an amount as money for an ISO 4217 currency code in a locale; reports minor-unit digits; unknown codes rejected.
BaseSolanaPolygon+1locale-tools.x402tookit.comfrom $0.028 endpoints - IIndustry and Occupation CodesSearch & web
Link a NAICS industry to its top SOC occupations, or a SOC occupation to its top industries, from the BLS employment matrix.
BaseSolanaPolygon+1industry-occupation-codes.x402tookit.comfrom $0.028 endpoints - HHydrology & Open-Channel CalcOther services
Critical depth where Froude number is 1 (Q^2/g = A^3/T) for rectangular, trapezoidal, triangular or circular channels.
BaseSolanaPolygon+1hydrology-calc.x402tookit.comfrom $0.028 endpoints - HHomePulseCrypto & DeFi
Smart home device recommendations and ecosystem advice for any country: Matter compatibility, ecosystem fit (Alexa, Google Home, Apple HomeKit), device picks by room and budget, and local plug/voltage/availability notes. For homeowner and smart-home agents. Returns recommended devices with Matter certification status and practical setup guidance.
BaseSolanaPolygon+8homepulse.theaslangroupllc.comfrom $0.087 endpoints - GGraph AlgorithmsOther services
Floyd-Warshall all-pairs shortest distances for up to 100 nodes; negative weights ok; detects negative cycles.
BaseSolanaPolygon+1graph-algorithms.x402tookit.comfrom $0.028 endpoints - Ffurigana.agentic-jp.comImages, audio & video
Convert kanji-mixed Japanese (JP) text to hiragana, katakana, or romaji (Hepburn/Nippon/Passport), with a per-token breakdown of surface form, reading, and part-of-speech. Backed by the kuromoji morphological analyzer. Use to generate ruby readings, build search indexes, or preprocess text for speech synthesis.
BasePolygonSolanafurigana.agentic-jp.comfrom $0.0013 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.