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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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4,273 results- VVerioImages, audio & video
Use when you need a new image of a licensed character or brand: give a text prompt and a Story Protocol IP asset, and get a PNG generated with that asset as the reference image. Paid per image in USDC.
Baseverio.networkfrom $0.101 endpoint - VVerifyOracleCrypto & DeFi
Live forex fx rate and fiat reference exchange rate for currency conversion from the European Central Bank (ECB eurofxref-daily, default EUR/USD).
Baseverify-oracle.run402.comfrom Free7 endpoints - Vvaluation-api-production-1c7c.up.railway.appOther services
Get price history
Basevaluation-api-production-1c7c.up.railway.appfrom $0.011 endpoint - Ttreasury-yield-curve.x402supply.comMarkets & finance
US Treasury par yield curve (1mo to 30yr, percent) for one date, or the latest if omitted. Weekend or holiday dates return the nearest prior business day with a note. Data from U.S. Treasury; not financial advice.
Basetreasury-yield-curve.x402supply.comfrom $0.0051 endpoint - CCount tokensCrypto & DeFi
Count the LLM tokens in text for a given model or encoding — exact for OpenAI and open models (Llama, Mistral, Qwen, Gemma, DeepSeek, Command-R); labelled-approximate for Claude & Gemini.
Basetokens.openverbs.comfrom $0.0041 endpoint
DevX Token Safety & HoneypotCrypto & DeFiHoneypot check, rug check and token safety check: is this token safe or a scam? Token verdict (safe/caution/danger), 0-100 token risk score and reasons. Chains: Base, Ethereum, Arbitrum, Optimism, Polygon, Robinhood Chain, Solana. Honeypot detector (EVM): simulated buy/sell with real tax. Rug check incl. Solana: owner, mint, blacklist, pause, proxy, mint/freeze authority, liquidity, holders, age.
BasePolygonArbitrum+2tokencheck.madebydevx.comfrom $0.011 endpoint- Ttoken-verdict.x402supply.comSocial & people
Rug-risk verdict for a Base ERC20 address: 0-100 score, A-F grade, one-line summary, graded checks (ERC20, honeypot selectors, liquidity, market) plus a separate ungraded adminPowers profile (proxy, owner, mint, blacklist, pause), each with raw evidence. No LLM.
Basetoken-verdict.x402supply.comfrom $0.011 endpoint - Ttoken-facts.x402supply.comSocial & people
Onchain facts for a Base ERC20 address: ERC20 shape, honeypot-style selectors and an ungraded adminPowers profile (proxy, owner, mint, blacklist, pause) with raw evidence per check. No DEX data, grade is n/a. No LLM.
Basetoken-facts.x402supply.comfrom $0.0051 endpoint - Ttimezone-convert.x402supply.comDeveloper tools
Converts a local time in one IANA zone to up to 20 target zones. Returns local time, UTC offset, abbreviation and DST flag per target, and flags nonexistent or ambiguous local times at DST transitions.
Basetimezone-convert.x402supply.comfrom $0.0051 endpoint - Ttimecapsule.0000402.xyzCrypto & DeFi
Pay $0.05 USDC to seal up to 100 KB of text until a future date. Content is inaccessible via GET /open/{token} until unlock_at passes. An optional label is visible before unlock via GET /status/{token}. Max unlock date: 10 years from now. Network: Base Mainnet. Each request stores one sealed text capsule and returns a token for later retrieval.
Basetimecapsule.0000402.xyzfrom $0.051 endpoint - TThumbnailCreatorImages, audio & video
Generate YouTube thumbnails with AI image models (GPT Image, Nano Banana, FLUX, Seedream, Ideogram, Grok) side by side. Optional query: models (comma-separated ids from https://thumbnailcreator.ai/llms.txt), n (1-4 per model), format (16:9, 1:1, 9:16, 4:5). Body: {"prompt": "3-2000 characters"}. Charged only when every image succeeds.
Basethumbnailcreator.aifrom $0.261 endpoint
ThreatPulseSocial & peopleIs this CVE weaponized? Returns enriched threat intelligence with exploit status, CVSS, EPSS, CISA KEV, ransomware mapping, and urgency score from 7 correlated sources.
BaseSolanathreatpulse.waltsoft.netfrom $0.011 endpoint
The Agents Gift ShopCrypto & DeFiThe Agents Gift Shop — Designs created by the paying wallet (paid)
Basetheagentsgiftshop.comfrom $0.0011 endpoint- TTailTrace Aircraft IntelligenceAI & agents
What exactly is this aircraft? Resolve an aircraft by FAA N-number and return normalized identity, registration, manufacturer, model, serial and related identity evidence where available.
Basetailtrace-x402-prod.simonwakelin.workers.devfrom $0.151 endpoint - SSupplier CheckOther services
Screen a US-listed company by CIK: severe 8-K items, late-filing notices, going-concern wording, LEI status. Never says safe.
BaseSolanaPolygon+1supplier-check.x402tookit.comfrom $0.751 endpoint - Sstatic.52.88.225.46.clients.your-server.deImages, audio & video
Capture a public HTTPS page as a bounded PNG screenshot for an agent without a browser. Returns a job to poll, then a private image and capture facts; saved retrieval is free.
Basestatic.52.88.225.46.clients.your-server.defrom $0.011 endpoint - Sstatic-page-extractor.mekler.aiSearch & web
Fetch one public static HTML page after robots and public-address checks, then return bounded readable text, title, final URL and source links. Standard x402: POST the URL, sign the 402 and resend the same body. The 402 also returns an encrypted payment_request that pays for exactly the quoted fetch. No browser, login, summary or full-site crawl.
SolanaBasestatic-page-extractor.mekler.aifrom $0.0051 endpoint
KushBitx AgentProofCrypto & DeFiA deterministic Base chain identity and official USDC contract-presence check. No request body. Not a token-risk report, transaction simulation, or payment proof.
Basestaging.kushbitx.comfrom $0.0011 endpoint- SStack BillingSocial & people
Generate a finished, professional invoice PDF from JSON — recipient and line items in, a ready-to-send application/pdf out. Layouts: standard, legal, creative. Totals and tax are computed server-side so the numbers always add up. First payment auto-creates a wallet profile (token + API key in response headers); returning wallets get sequential invoice numbering and can save a sender letterhead. US
Basestackbill.appfrom $0.101 endpoint - SSatellite Space APIData & research
Dedicated satellite tracking API for agents: list CelesTrak TLE catalog groups (ISS, weather, and more), get live propagated positions for a whole catalog group, and predict the next pass over an observer latitude/longitude using NORAD catalog IDs. Outbound CelesTrak fetch only; no shell access.
Basespace.bip-rep.comfrom $0.051 endpoint
SolarPulseOther servicesRooftop solar estimate for a US address: system size, monthly and annual production (NASA POWER), utility rate (EIA-861 2024), installed cost (LBNL Tracking the Sun), payback, 25-year savings and the 2026 federal credit status.
BaseSolanasolarpulse.waltsoft.netfrom $0.101 endpoint- SSun, Moon and PlanetsOther services
Sunrise, sunset, solar noon, three twilights, golden and blue hour for a lat/lon and date; handles polar day and night.
BaseSolanaPolygon+1sky-calc.x402tookit.comfrom $0.021 endpoint
SitePulseOther servicesHas this place been built on or cleared in the last 12 months? Sentinel-2 satellite change detection for any lat/lon: NDVI/NDBI deltas, change direction, confidence and the scene-by-scene evidence.
BaseSolanasitepulse.waltsoft.netfrom $1.501 endpoint- MManta Signal GateCrypto & DeFi
Live positions and the last 24 hours of events of one live bot
Basesignals.easyrider.onefrom $0.051 endpoint - WWhale RadarCrypto & DeFi
Whale Radar: live Hyperliquid perps positioning of the largest and highest-PnL public accounts for one coin (or ALL): whale net long/short, smart-money bias, top positions with liquidation prices, a liquidation-cluster map, funding/OI/premium crowding and squeeze risk. Not investment advice.
Baseseenly-whale-radar.vercel.appfrom $0.051 endpoint - PPayload CheckSearch & web
Payload Check: data-quality filter for agents. Send any payload (tool/API output, scraped page, LLM answer, generated code, JSON, CSV) and get a 0-100 quality score, pass/warn/fail, tags and concrete issues: invalid or truncated JSON (with auto-repair), JSON Schema mismatches, syntax errors, bot-challenge/captcha/404 scrapes, LLM refusals, placeholders, repetition loops, mojibake. Deterministic, n
Baseseenly-payload-check.vercel.appfrom $0.011 endpoint - Ssec-edgar.x402supply.comData & research
Resolves a ticker, CIK or company name (fuzzy, top 5) to 10-digit CIK, tickers, exchange, legal name, SIC code and description. Data comes from SEC EDGAR.
Basesec-edgar.x402supply.comfrom $0.011 endpoint - Ssec-company-snapshot.mick8511.workers.devMarkets & finance
US public company fundamentals from SEC EDGAR filings. Send a stock ticker (e.g. AAPL); get name, CIK, latest annual and quarterly revenue, net income and diluted EPS, balance sheet (cash, assets, liabilities, equity, long-term debt), shares outstanding and recent 10-K/10-Q/8-K links, every figure cited to SEC EDGAR (XBRL). Factual data only: no opinions or buy/sell ratings. Free sample: https://s
Basesec-company-snapshot.mick8511.workers.devfrom $0.021 endpoint
SearchPulseSearch & webGrounded web search: question → answer + citations, powered by Bedrock Web Search.
BaseSolanasearchpulse.waltsoft.netfrom $0.251 endpoint
Scout QuickData & researchFast public web research with exact quotes, source hashes, conflicts, and a propose-only receipt.
Basescout-bazaar-api.dimitri-base-eth.chatgpt.sitefrom $0.501 endpoint
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.