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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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428 results- Wweather.agentic-jp.comData & research
List every JMA forecast office (府県予報区) in Japan with its code, Japanese/English name, and class10 sub-regions. Use this to discover valid `:area` values.
BasePolygonSolanaweather.agentic-jp.comfrom $0.0011 endpoint - HHotel Search, Rates & ReviewsImages, audio & video
Hotel search — find hotels & vacation rentals anywhere by destination with live nightly rates, star class, guest ratings, amenities, photos & coordinates as clean JSON.
BasePolygonArbitrum+1hotels.use.x402atlas.comfrom $0.024 endpoints - HHoliday Calendar APIOther services
Official public holidays by country and year, with regional subdivisions, localized names and normalized dates.
BasePolygonArbitrum+1holidays.use.x402atlas.comfrom $0.0055 endpoints - PPatentPulseSocial & people
Trademark search / brand-name clearance / trademark availability check for any mark. Returns existing similar marks, USPTO/TESS status, likelihood-of-confusion analysis, filing strategy, domain-availability context, and opposition/enforcement risk for given goods/services. For IP and brand agents. Worldwide.
BaseSolanaPolygon+8patentpulse.theaslangroupllc.comfrom $0.058 endpoints - HHyperliquid Prediction MarketsCrypto & DeFi
The catalog of Hyperliquid prediction-market outcomes and their metadata.
BasePolygonArbitrum+1hyperliquid-predict.use.x402atlas.comfrom $0.0052 endpoints - DDealPulseAI & agents
Student discounts / college student deals / verified student savings by category. Returns the best current verified student discounts for a category, with how to verify student status to claim each. For shopping and savings agents.
BaseSolanaPolygon+8dealpulse.theaslangroupllc.comfrom $0.0515 endpoints - JJapan Business Day APIOther services
Japanese traditional calendar for a date: rokuyo (taian/butsumetsu... lucky days used for weddings, funerals, contracts), Japanese era (Reiwa) date, old lunisolar calendar date incl. leap months, 24 solar terms (sekki) and year eto. Verified against the National Astronomical Observatory of Japan.
PolygonBasejapan-business-day-api.matchan962.workers.devfrom $0.00510 endpoints - Llookup_carrierSocial & people
Use this when you already have a carrier's USDOT number and need its current profile: safety rating, authority status, insurance flags, fleet size. Returns Active, Inactive, and Pending carriers alike. Billed only when the number resolves to a real carrier; an unknown number is free.
SolanaBasePolygonfmcsa-mcp-843680657471.us-central1.run.appfrom $0.0122 endpoints
api.liquidagent.aiImages, audio & videoSearch Mint & Marquee for gifts and collectibles: products that match what the person wants, under their budget, with price, photo, a short description and a link to buy. Custom 3D printed collectibles and gifts: figurines, statues, keychains, bag tags and branded merch. Soccer, anime, crypto, hypebeast and ancient-art collections.
BaseSolanaPolygon+1api.liquidagent.aifrom $0.00119 endpoints- AagosintSocial & people
Business registry lookup: company identity and legal entity enrichment as structured JSON, by registration number, name and country, VAT number, LEI or website. Registers of Czechia, Norway, the United Kingdom, France, Finland, US SEC filers and every LEI holder. Use when: you need the official identity of one company.
BasePolygonSolanaagosint.shveik.devfrom $0.017 endpoints
402rpcCrypto & DeFiOn-chain spot price of ETH or BTC in USDC from the deepest Uniswap v3 pools on Ethereum mainnet, read from a full node at the latest block (no third-party price feed). Pairs: ETH-USDC, BTC-USDC. Use it as an independent, verifiable price reference; it reflects the pool price, not an exchange average.
BasePolygonArbitrum402rpc.comfrom $0.0015 endpoints- MMacroPulseCrypto & DeFi
Is the stock market open right now? Deterministic market-status and trading-hours for the major global exchanges — NYSE, NASDAQ, LSE, Xetra, Euronext, TSE/JPX, HKEX, SSE, ASX, TSX, SIX, NSE/BSE. Returns is_open plus why it is shut (weekend, holiday, lunch break, pre/after-hours), the exchange local time, and the next open and close as ISO timestamps. Pass ?at= for any past or future moment. Zero e
BaseSolanaRobinhood Chain+9macropulse.theaslangroupllc.comfrom $0.00513 endpoints - GGeo CalcSearch & web
Bounding box (min/max latitude and longitude) enclosing a radius in meters around a point, with pole and 180 degree handling.
BaseSolanaPolygon+1geo-calc.x402tookit.comfrom $0.0212 endpoints - CClimatePulseAI & agents
Is wildfire smoke affecting the air here right now? Smoke tracker — AQI estimate, nearby active fires, health risk level, mask and indoor-air guidance, and evacuation status for any location.
BaseSolanaPolygon+8climatepulse.theaslangroupllc.comfrom $0.0510 endpoints - DDev ReferenceDeveloper tools
Parse a Cache-Control value, explain each directive, compute freshness and flag conflicts or leaks.
BaseSolanaPolygon+1dev-reference.x402tookit.comfrom $0.0212 endpoints - CCSS Design CalcImages, audio & video
Aspect ratio of a width and height (simplified, nearest common ratio) or the missing side for a ratio, with CSS values.
BaseSolanaPolygon+1css-design-calc.x402tookit.comfrom $0.0212 endpoints - CCooking CalculatorsOther services
Beer, wine and cider alcohol by volume from original and final gravity, with both standard formulas and attenuation.
BaseSolanaPolygon+1cooking-calc.x402tookit.comfrom $0.0212 endpoints - CCheap UtilitiesDeveloper tools
WCAG contrast ratio between two hex colors with AA and AAA pass/fail for normal and large text.
BaseSolanaPolygon+1cheap-utilities.x402tookit.comfrom $0.0212 endpoints - CCalendar SystemsOther services
Age in years, months, days and days lived, Korean and East Asian ages, next birthday with leap-day rules, and zodiac.
BaseSolanaPolygon+1calendar-systems.x402tookit.comfrom $0.0212 endpoints - AAudio CalcImages, audio & video
Dynamic range, levels and smallest step for a PCM bit depth, theoretical SNR, and the bit depth needed for a dB range.
BaseSolanaPolygon+1audio-calc.x402tookit.comfrom $0.0212 endpoints - CCompliancePulseSearch & web
Who is this company, officially? Global LEI lookup and legal-entity search against GLEIF, the ISO 17442 registry behind KYB, MiFID and EMIR reporting. Verify an LEI's checksum and registration status, or search 2.9M+ entities by name and country to find the right identifier. Flags LAPSED, DUPLICATE and RETIRED registrations that a naive first-hit lookup would wire into a KYB record. Deterministic:
BaseSolanaPolygon+8compliancepulse.theaslangroupllc.comfrom $0.0113 endpoints - PPhoenix Zero L2 Health OracleCrypto & DeFi
Real-time L2 sequencer health across 12 chains (Base, Arbitrum, Optimism, zkSync, Blast, Linea, Mantle, Mode, Scroll, Taiko, Polygon zkEVM, Casper). Returns kernel-level P99/P95 RTT from eBPF probes, revert ratios (Base and Arbitrum via eth_getBlockReceipts), gas pressure, and execution recommendation.
BasePolygonArbitrumrtt.phoenix-ai.workfrom $0.014 endpoints - DDebtPulseAI & agents
Debt collection rights and consumer-protection laws (FDCPA / FCRA). Covers US FDCPA and FCRA, UK FCA, and Australia ACCC protections by country, with complaint resources. For consumer-rights and debt-relief agents.
BaseSolanaPolygon+8debtpulse.theaslangroupllc.comfrom $0.0516 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- GGamePulseImages, audio & video
Esports match schedule for esports and esports-betting agents. Returns today's matches with team context and storylines across LoL, Valorant, and CS2.
BaseSolanaPolygon+8gamepulse.theaslangroupllc.comfrom $0.0511 endpoints - SSite ClimateData & research
Elevation at a location and what it does: air pressure, boiling point of water, air density and oxygen versus sea level.
BaseSolanaPolygon+1site-climate.x402tookit.comfrom $0.029 endpoints - CCompany Registry LookupData & research
French company lookup in the official SIRENE register (Annuaire des Entreprises) by SIREN, SIRET or company name. Returns legal name, active/ceased status, legal form, creation date, head-office address and NAF activity code in a schema shared across countries.
BasePolygonArbitrum+1companies.use.x402atlas.comfrom $0.058 endpoints - PPlaces & Local Business SearchSearch & web
Google Maps local business search by place name — find places by query and a free-text location (e.g. 'Austin, Texas'), no coordinates needed; returns Google's local-pack results as clean JSON.
BasePolygonArbitrum+1places.use.x402atlas.comfrom $0.026 endpoints - AAlgebra and Geometry SolversOther services
Complex number arithmetic, modulus and argument, integer powers, square root and n-th roots, in rectangular and polar form.
BaseSolanaPolygon+1math-geometry.x402tookit.comfrom $0.0211 endpoints - EElectronics CalculatorsImages, audio & video
Battery runtime estimate from capacity (mAh and volts, or Wh) and load (mA or W), with efficiency and usable depth of discharge.
BaseSolanaPolygon+1electronics-calc.x402tookit.comfrom $0.0211 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.