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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
ManyLives AIImages, audio & videoRead back values the paying wallet saved with /paid/memory/set: one key, or list your keys by prefix (keys, sizes and expiry, newest first). Another wallet can never see them. No free trial.
BaseSolanaapi.manylives.mefrom $0.00286 endpoints- BBot BazaarSocial & people
Profile a Base wallet before paying or trusting it: first funder and first-seen time (wallet age), outgoing tx count, contract or EOA, an OFAC SDN address screen, and whether it is a Bot Bazaar seller payout wallet. No balances.
Basebot-bazaar.fly.devfrom $0.01198 endpoints - QQuant Agent ShopSocial & people
IP address lookup for one public IPv4 or IPv6 address: country, region and city (a city-level estimate with coordinates), continent, and network (ASN number and organisation). Use for fraud checks, analytics or routing. Not for finding a street address or a person. Local database, no third-party call per lookup. Typical response under 100 ms. Failed calls are not charged.
Basequantagentshop.comfrom $0.009926 endpoints - SSiteCheck Company RecordsData & research
US Congress bill status from the official GPO GovInfo BILLSTATUS bulk XML (the GovTrack API it replaces has closed): title, sponsor, introduced date, latest action and official congress.gov link for one bill by congress, bill type and number. Covers congresses with BILLSTATUS files (119 at test time).
BaseSolanaEVM chain 5042+9api.companyrecords-api.workers.devfrom $0.002120 endpoints
Maha Context CompilerCrypto & DeFiCompress long documents and RAG inputs into token-budgeted, deduplicated context packs with source-linked provenance. Returns original and compiled token counts, so the saving is verifiable. Net-positive above N = fee / (r x p) tokens: r your reduction, p your input price. Extractive and budget-bound, so check includedPassages before relying on it. Ranks Latin, Cyrillic, Greek, Arabic and CJK; CJK
BaseArbitrumPolygonmahastrategies.comfrom $0.002215 endpoints- Aagentbit.appSearch & web
Web search API for AI agents — find current information, news, documentation, competitors, prices or any fact that needs a fresh, citable source. Pay-per-call, no API key. Returns ranked results with title, URL, snippet, publish date and source from neural + keyword search over the live web, with automatic provider failover. Use when an agent asks: search the web, look up the latest on a topic, fi
BasePolygonArbitrum+2agentbit.appfrom $0.00197 endpoints - Qquotient-api-gateway.onrender.comOther services
Use this to read published Quotient signals. Sports signals return one game-level pick and markets[] with every linked venue listing, its signal_side, price, and availability. No venue is primary or preferred. Missing quotes do not hide listings. Venue filters find games available there and retain all listings. Non-sports signals retain their market, pricing, and lifecycle fields.
Basequotient-api-gateway.onrender.comfrom $0.00512 endpoints - MMacaroon NetworkSearch & web
Current block number and gas price for Base and Polygon mainnet, fetched live via RPC on every call. Unlike this catalogue's corpus-search listings, this makes a real outbound network call on purchase -- freshness is the product, not a stored snapshot.
Baseapi.macaroonnetwork.comfrom $0.00141 endpoints - SSpread Paywall APICrypto & DeFi
Generates random UUID v4 values, returns a JSON array of UUID strings
BaseSolanaworkspace-x402-paywall.onrender.comfrom $0.00157 endpoints - SSiteCheck Jobs & PropertyData & research
Cook County Assessor building characteristics by 14-digit PIN (Open Data portal): year built, building and unit square feet, bedrooms, land square feet and class, per assessment year. Only what the assessor publishes; no owner data.
BaseSolanaEVM chain 5042+9api.jobsproperty-api.workers.devfrom $0.002112 endpoints - Xx402-factorySocial & people
Cheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endpoints.
Basex402-factory.comfrom $0.001114 endpoints - SSiteCheck Trade & EnergyData & research
Monthly Australian thermal coal reference price in USD per metric ton (World Bank series PCOALAUUSDM, via FRED). Not the Newcastle FOB spot index or Richards Bay prices; the route name is kept for the owner. Latest value plus up to 24 months of history.
BaseSolanaEVM chain 5042+9api.tradeenergy-api.workers.devfrom $0.002111 endpoints - SSiteCheck Shop & SocialImages, audio & video
Hiking trails from OpenStreetMap (via the free Waymarked Trails API), not from AllTrails, which blocks automated access: search by trail name or list routes around a point. Per trail: OSM ID, name, ref, network level, length in km, loop/linear, hardest OSM sac_scale difficulty, surfaces, operator, website, Wikidata, description and center point. No user ratings, reviews or photos (OSM has none). C
BaseSolanaEVM chain 5042+9api.shopsocial-api.workers.devfrom $0.002111 endpoints
Saylor Innovations Token PricesSocial & peopleSolana token price by mint - USD price, changes, liquidity, volume and FDV
SolanaBasePolygon+1saylorinnovations.comfrom $0.0011,912 endpoints- Aagent_about_link_auditAI & agents
Publisher discovery audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.
Baseagentreadiness.halowerk.comfrom $0.001100 endpoints - JJev Structured EvaluationAI & agents
Structured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.
Basejev-x402.vercel.appfrom $0.0011 endpoint
x402 Web SearchImages, audio & videoWeb search that returns structured SERP results as JSON. Runs on a dedicated SearXNG instance aggregating multiple engines, so there is no per-engine API key, quota or HTML scraping to manage. Each result carries title, URL, snippet, the source engine and a published date where available. Choose general web, news, or image results, up to 10 per call. Use it to ground an answer in current web sourc
Basesearch.cyberwarex.comfrom $0.00111 endpoints- Aapi.zerion.ioOther services
No description yet.
BaseSolanaapi.zerion.iofrom $0.0117 endpoints
ClawFetchSocial & peopleDiscovery endpoint listing all 17 available structured-data extractors and the domains each one supports, so an agent can decide whether /extract can handle a given URL before paying for it.
Baseapi.clawfetch.aifrom $0.0019 endpoints- Aagents.ai-rook.comAI & agents
Current Base mainnet gas prices. Slow, standard, fast in gwei.
BaseSolanaagents.ai-rook.comfrom $0.0018 endpoints
1gatewayImages, audio & videoUse when scheduling across time zones or turning a local time into UTC without guessing DST. Input: to (IANA zones or KST, PST, CET...), optional from (zone of a local time, default UTC), time (ISO 8601, Unix seconds, or now). Output: JSON UTC instant, Unix time, and per zone: local ISO time with offset, weekday, abbreviation, DST and business-hours flags, day difference. Example: ?time=2026-10-12
BaseSolana1gateway.devfrom $0.00285 endpoints- Aapi.jarvisclaw.aiCrypto & DeFi
AI responses API - OpenAI-compatible multi-turn agent responses, pay per token with USDC
BaseSolanaapi.jarvisclaw.aifrom $0.001117 endpoints
SirenicMarkets & financeFrench company search and company lookup by name or SIREN in the official French company registry (INSEE Sirene / INPI RNE open data). Name search returns the top 10 matches with identity, SIREN, NAF code, city and active/ceased status, plus a score_confiance (0-1 match confidence) that helps disambiguate homonyms. The entry point to official data and company data on France: resolve a trading name
Baseapi.sirenic.eufrom $0.002128 endpoints- HHALOWERK formwerkOther services
Prüft am Objekt seite den Befund Übermittlung vor Einwilligung.
Baseformwerk.halowerk.comfrom $0.001100 endpoints - Xx402.browserbase.comSearch & web
Fetch a page and return content, headers, and metadata. $0.01 per request.
BaseSolanax402.browserbase.comfrom $0.0112 endpoints
Xynaptic security-priceCrypto & DeFiXynaptic Security Price — spot market data for US stocks: price, previous close, day range, 52-week range, currency, exchange + up to 30d history (OHLCV). GET ?ticker=AAPL&history=30. Refreshed intraday.
BaseSolanaPolygon+1api.xynaptic.iofrom $0.01133 endpoints- Eeu-verifyMarkets & finance
Hourly weather forecast for any point on Earth from Open-Meteo (blend of ECMWF/GFS/ICON models, refreshed hourly; data CC-BY 4.0). Query: ?latitude=48.8566&longitude=2.3522&hourly=temperature_2m,precipitation,wind_speed_10m&forecast_days=2 (1-16 days, ~80 hourly variables available, optional daily= aggregates and timezone=auto). ISO 8601 time arrays + units. 15 min cache.
Basedata.greeneris.iofrom $0.00183 endpoints
Vibe SpringsSocial & peopleReal-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.
Basevibesprings.netfrom $0.00127 endpoints
Minifetch Technical SEO APIImages, audio & videoCheap robots.txt preflight check before you call the Minifetch /extract and /run/seo-page-audit endpoints: returns whether Minifetch may fetch a target URL (allow/deny) plus its crawl-delay. If blocked and the site is not yours try our external proxy routes. If blocked and the site is yours or to set a custom crawl-delay read https://minifetch.com/tutorials/unblock-minifetch Checks the URL as give
BaseSolanaminifetch.comfrom $0.00115 endpoints- SShopify Public Catalog SearchImages, audio & video
Search a live public Shopify storefront and return current public products, variants, prices, availability, images, and declared agent-commerce capabilities.
Baseai-data-marketplace-1042299154756.us-central1.run.appfrom $0.00132 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.