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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- Aapi.zerion.ioOther services
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BaseSolanaapi.zerion.iofrom $0.0117 endpoints - KKronos Crypto Data & ForecastsCrypto & DeFi
Real-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC. Live scored track record at /api/stats — measured on served predictions, not a backtest.
Basekronossignals.comfrom $0.0242 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- Aapi.apify.comSearch & web
Apify Store is the largest marketplace of tools for AI agents. Extract data from any website and automate your workflows with thousands of scrapers, crawlers, and automation tools called Actors.
Baseapi.apify.comfrom $1.005 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- AagdataImages, audio & video
Unblocker for AI agents: send {url} and get the page back as clean Markdown, with title, description, language, final URL and HTTP status. Gets through Cloudflare and other common bot protection and can render JavaScript-heavy pages. Set format to html or text for those instead. A page that can't be fetched (blocked, error status or empty) is not charged. No API key, proxy or account: pay per call
BaseSolanaPolygonagdata.shveik.devfrom $0.0231 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 - BBase64 / Hex / URL CodecAI & agents
Generate UUID v4/v5/v7, ULID, or NanoID (single or batch), or parse/validate an existing id and extract its embedded timestamp.
Baseapi.24klabs.aifrom $0.00123 endpoints - CConvert timezoneDeveloper tools
Convert an ISO datetime into another timezone, with offset, weekday and Unix time.
Basedatetime.openverbs.comfrom $0.00213 endpoints
API AcreImages, audio & videoConvert an offset-aware ISO 8601 instant or a local wall time between IANA time zones with explicit DST gap and repeated-hour handling, nearby transition evidence, and a pinned local time-zone database.
BaseSolanaapiacre.comfrom $0.00142 endpoints- PPHION InferenceAI & agents
Bounded low-cost inference with a signed delivery receipt
BasePolygonArbitrum+1phion.systemsfrom $0.0017 endpoints - TTabulariumCrypto & DeFi
Agent memory: save a value under a key in a persistent key-value store owned by the paying wallet. The first write opens a 30-day workspace. Memory survives restarts, new machines and hand-offs between agents. Every write is hash-chained and signed (Ed25519), so the history verifies offline. Values up to 64 KB; failed writes are not charged.
Basetabularium.matt-3e0.workers.devfrom $0.0025 endpoints - Aagentshield.liveAI & agents
Call when an agent has an IBAN and needs the checksum, the expected length, and the country format. Does not confirm the account exists.
Baseagentshield.livefrom $0.00166 endpoints
AiSpace VeniceImages, audio & videoAsync text-to-video and image-to-video generation on Venice (WAN 3.0, Seedance 2.5, HappyHorse, and more), paid per request in USDC on Base via x402, no API key. Model ids via GET /api/v1/models?type=video. Lifecycle: quote, queue, retrieve, complete (see related routes).
BaseSolanax402.aispace.botfrom $0.0114 endpoints- FFactlineSocial & people
Crypto wallet sanctions screening (OFAC SDN addresses). Use before sending crypto to an address, or when asked if a wallet is sanctioned: checks Bitcoin, Ethereum/EVM, Tron, USDT, Litecoin, Monero and other addresses against the wallets on the US OFAC SDN list, refreshed weekly. Returns sanctioned true/false, currency, listed entity and programme.
BaseSolanafactline.devfrom $0.00140 endpoints
API DirectSocial & peopleSearch for tweets by keyword.
Basex402.apidirect.iofrom $0.003142 endpoints- IInterzoid Data APIsSocial & people
Person name matching and deduplication: generates an AI-powered similarity key for an individual's full name, so variations such as 'Bob Smith', 'Robert Smith', and 'Smith, Robert J.' produce the same key. Group records on the key to find duplicate contacts and customers across CRM, marketing, and customer datasets.
Baseapi.interzoid.comfrom $0.0152 endpoints - DDefiLlama DeFi TVL & YieldsCrypto & DeFi
Options volumes for one chain by DefiLlama — options-protocol volume on a single chain.
BasePolygonArbitrum+1defillama.use.x402atlas.comfrom $0.00530 endpoints
x402stockCrypto & DeFiThe total US public debt outstanding to the penny — the headline national-debt figure — split into debt held by the public and intragovernmental holdings, with the latest value, prior business day, day-over-day change, and recent history. No ticker needed. Updates each business day. Sourced from the US Treasury (FiscalData). Pass `?limit=` for more history (default 30, max 250). From x402stock
Basezeroclickagents.x402stock.xyzfrom $0.0197 endpoints- Aapi.neurodynamic.techImages, audio & video
Introductory pricing. Catalogue narration: 0.005 USDC on Base, up to 1,000 characters, MP3. Seven English voices. No account, reference upload or human approval. Read https://api.neurodynamic.tech/narration. Authorisation verified before work; settlement after successful audio. Retry identical body and proof for 12 hours without a second charge. Generated audio may be reviewed privately by the ope
Baseapi.neurodynamic.techfrom $0.0051 endpoint
Blackwood State News HeadlinesImages, audio & videoUse when you need historical exchange rates, a historical FX rate series, forex history or a currency trend. Do not use for rates older than 90 days, live quotes or crypto (one ECB rate per business day). Returns JSON with historical exchange rates: 90 days of daily ECB euro reference rates (free at ecb.europa.eu) for up to 10 currencies, rebased to any base as cross rates, with min, max and perce
Basex402-gateway.blackwoodstate8.workers.devfrom $0.00232 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.