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derivs.duoleads.com
Perp screener for all coins: every perpetual future on Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit and OKX in one call, sorted by funding rate (APR), open interest (OI), 24h volume or 24h change, with the highest and lowest funding views. A funding screener and perpetuals market ranking for BTC, ETH, SOL and hundreds of altcoins. Data only. Bad input is free; under 3 venues not charged.
$0.005000 USDC
x402.ochinimus.app
Wikipedia summary: the Wikipedia summary and lead section for a page title in any language, with the CC BY-SA 4.0 licence, the article URL and the authors link. Use when you need to answer: What does Wikipedia say about this topic? Cached 24 hours.
0.01 tokens
derivs.duoleads.com
Crypto derivatives snapshot of one coin in one call: perp funding rates per exchange with predicted funding, open interest (OI) per venue, perp premium and the nearest futures basis, 24h liquidations and the long/short ratio. Venues: Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX. The derivatives data bundle for trading agents on BTC, ETH, SOL and more. Data only. Bad input is free; under 3 venues not charged.
$0.005000 USDC
derivs.duoleads.com
Funding arbitrage scanner across 8 exchanges (Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX): for every coin the widest cross-venue perp funding spread, the long and short venue, both funding rates, gross and fee-adjusted net APR and breakeven days, with a 24h volume liquidity filter. Funding rate arbitrage, basis trade and carry screening of perpetual swaps. Data only, no advice. Bad input is free; under 3 venues not charged.
$0.005000 USDC
api.zkrobotics.fr
Compliment generator in pirate speak: a warm, wholesome compliment, optionally for a first name. Fun API, English or French.
$0.004100 USDC
api.freesmallbiztools.com
Free Small Biz Tools API: Late-fee reminder email for an overdue invoice. Calculates the late fee and writes a ready-to-send reminder (subject + body) in a polite, firm or final tone. Bad input 400, never charged.
$0.01 USDC
x402.ochinimus.app
Hash: SHA-256, Keccak-256 (the Ethereum hash) or BLAKE2b-512 of UTF-8 text or hex bytes, as hex and 0x-hex. Use when you need to answer: What is the SHA-256, Keccak-256 or BLAKE2b hash of this input? Input up to 2 KB; over that is a 400, never billed.
0.01 tokens
x402.ochinimus.app
Text classification: a score per label that sums to 1 and the best label, for up to 4,000 characters and 2 to 20 labels. Use when you need to answer: Which of my labels fits this text best? Labels are names, never instructions. Cached 24 hours.
0.01 tokens
rooms.aurmada.com
Today's Crypto Fear & Greed Index by Alternative.me (0 = extreme fear, 100 = extreme greed) with its label, date and the time until the next daily update, plus up to 30 days of history (days=1-30). Source attribution is included next to the value in every answer, as Alternative.me's terms require. Served by Rooms by Aurmada from Alternative.me's public API; not affiliated with Alternative.me. Information, not financial advice.
$0.001000 USDC
rooms.aurmada.com
Send up to 10 public http(s) URLs, get each page's readable text as clean markdown with title, byline, excerpt, language, word count and up to 20 links (Mozilla Readability, no AI model). $0.0015 per unique URL: the 402 quotes the batch total. 2 MB and 8 s limits per page, markdown cut at maxChars (default and max 50,000); private and internal addresses are refused. If no URL can be read you are not charged. Optional requestKey makes retries safe.
$0.001500 USDC
x402.ochinimus.app
Email verification: syntax, MX, disposable-domain, role-account and free-provider checks with a deliverable_likely, risky or undeliverable verdict and its reasons. Use when you need to answer: Can this email address plausibly receive mail? No SMTP probe.
0.01 tokens
domain-intel.latamfx.workers.dev
Company domain intelligence. Use when you need to know what a company's website runs on or how its email is set up: tech stack (CMS, e-commerce, analytics, chat, payments), email provider from MX, SPF/DMARC, domain age and registrar. No personal data.
$0.003000 USDC
base64encode.use.x402atlas.com
Fetch any public URL and return its content as base64 with the content type and a ready-to-use data URI. Embed images, PDFs and files directly in LLM and API calls without downloading them yourself. Clean JSON.
$0.01 USDC
sweetai.tiamatcrypto.com
Sybil forensics for one ERC-8004 AI agent: reviewer concentration, ghost reviewers, burst detection. Use to check if an agent's reputation is real
$0.01 USDC
dns.use.x402atlas.com
Bulk WHOIS lookup: registrar, creation/expiry dates, status and nameservers for up to 10 domains in a single batch call, parsed into structured JSON. One payment per batch — for domain portfolio audits, expiry monitoring and brand-protection checks.
$0.04 USDC
torii-gateway-production.ichis-lab.workers.dev
Tell whether a given date is a Japanese business day. Japanese national holidays and business-day calculations derived from the Cabinet Office official CSV. Returns holidays for a given year, plus business-day arithmetic used by invoicing, logistics and HR systems in Japan.
$0.01 USDC
api.keenable.ai
Keenable page fetch for AI agents: the page at a URL as clean markdown with title and description. Pay per request, no API key.
$0.01 USDC
derivs.duoleads.com
Open interest (OI) of one coin's perpetual futures by exchange: Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX. Per venue OI in coins and USD and its share, the total, and the OI change over 1h, 4h and 24h from the venues' own history. Perp open interest and futures open interest for BTC, ETH, SOL and more. Data only. Bad input is free; under 3 venues not charged.
$0.003000 USDC
derivs.duoleads.com
Order book depth of one coin's perpetual on Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit and OKX: best bid/ask, spread in bps, market depth in USD within 0.1/0.5/1/2% of mid, bid/ask imbalance, estimated slippage for your order size and the largest resting orders (walls). L2 orderbook liquidity for BTC, ETH, SOL and more. Data only. Bad input is free; under 2 venues not charged.
$0.003000 USDC
engine.beehivewebstudio.com
Utah County, Utah (USA) planning-commission land-use hearing items parsed from official Utah Public Meeting Notice agendas. Verbatim agenda text with source URL and parse provenance per record. Optional city filter and dedupe.
$0.01 USDC
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