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169–192 of 41,031x402.ottoai.services
x402.ottoai.services
Otto X402 Router — Meta Intelligence. Ask what data/service you need; get the best Otto-verified plus live CDP Bazaar x402 candidates with prices, pay_urls and blunt source labels. Non-custodial discovery.
x402.ottoai.services
x402.ottoai.services
Registration data for any domain, straight from authoritative RDAP registries (the structured WHOIS successor): registrar, ICANN/EPP domain status codes, creation, last-updated and expiration dates, authoritative nameservers, and DNSSEC delegation. The fast, license-clean way for an agent to vet a domain, sender, or counterparty. Keyless, structured JSON, pay-per-call.
x402.ottoai.services
x402.ottoai.services
Crypto prediction markets on Polymarket: the highest-volume open BTC, ETH and crypto markets with live odds (outcome probabilities), best bid/ask, spread, 24h + total volume, liquidity, price change and end date. "Bitcoin above X", price targets, ETF and protocol events — what the prediction market ACTUALLY prices in, as flat JSON refreshed every 5 minutes. Crypto odds, Bitcoin prediction market, ETH probability. $0.001 per call.
x402.ottoai.services
x402.ottoai.services
Top Polymarket prediction markets RIGHT NOW: the 25 highest-volume open markets with live odds (outcome probabilities), best bid/ask, spread, last trade price, 24h + total volume, liquidity, 1d/7d price change, end date and event link. Flat JSON, refreshed every 5 minutes. Prediction market odds, Polymarket data, event probabilities, market sentiment. $0.001 per call.
x402.ottoai.services
x402.ottoai.services
Find the DEX pools a tokenized US stock or ETF is a member of, on Robinhood Chain, Base, BNB Chain or Solana. Returns pool id (v4 ids kept distinct from v3), DEX, the side the asset is on, the counterpart with an evidence-backed class, reported USD liquidity, 24h volume and pool age. Membership discovery only: a provider-covered read, not a census; no APR, no execution; a return is the asset's only where it is the base token. $0.001 per call.
x402.ottoai.services
x402.ottoai.services
Which protocols earn the most — and who is accelerating? Top 30 DeFi protocols by 24h fees, each with revenue, take-rate (the cut the protocol keeps vs fees users pay), 7d/30d trend and category, plus total DeFi fees & revenue. A fundamentals screen (fee/revenue economics), distinct from TVL. Sourced from DefiLlama (public). Cached while fresh (DefiLlama fees are daily aggregates), regenerated on demand when stale.
x402.ottoai.services
x402.ottoai.services
Cross-venue funding-rate arbitrage + crowded-positioning radar: live perp funding rates, open interest, global & top-trader long/short ratios, whale positions, and liquidations across Binance, OKX, Bybit, Hyperliquid, and more. Omit symbol for the whole-market overview; pass one (e.g. BTC) for the per-exchange breakdown. (Hyperliquid-only perp data: use hyperliquid-market.)
headers.use.x402atlas.com
headers.use.x402atlas.com
Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.
jobs.use.x402atlas.com
jobs.use.x402atlas.com
Job search — find current openings by role, skill or company with location, salary, schedule, qualifications and direct application links.
cars2026.vercel.app
cars2026.vercel.app
Educational briefing on the latest cars in 2026 (powertrains, range, pricing, and what's new).
riddlex402.vercel.app
riddlex402.vercel.app
Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer.
x402.ottoai.services
x402.ottoai.services
Is USDC/USDT/DAI holding its $1 peg, and is stablecoin supply growing or shrinking (risk-on vs risk-off)? Live peg deviation (bps), circulating supply + 1d/7d/30d flow, market dominance and chain spread for the top 30 USD stablecoins, plus downside depeg alerts for any coin trading >0.5% below peg. Sourced from DefiLlama (public). Served from a cached snapshot while fresh (≤1h) and regenerated on demand when a read finds it stale.
api.nansen.ai
api.nansen.ai
USD Coin
api.nansen.ai
api.nansen.ai
Returns leaderboard rankings and statistics for perpetual futures traders.
api.nansen.ai
api.nansen.ai
USD Coin
api.nansen.ai
api.nansen.ai
USD Coin
vibesprings.net
vibesprings.net
Foreign exchange (Forex) rate database sourced from the European Central Bank (ECB). Access real-time spot rates, historical currency matrices, and cross-rate charts for over 30 global fiat currencies (including USD, EUR, GBP, JPY, CAD, CHF, AUD). Ideal for international billing, accounting ledger reconciliations, and currency pricing calculators.
stableenrich.dev
stableenrich.dev
Google Maps Place Details (Full)
email-auth.use.x402atlas.com
email-auth.use.x402atlas.com
Email authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF +all, SPF >10 lookups, DMARC p=none, missing DKIM). Clean JSON for deliverability and security-ops automation.
TrialBase DB
api.trialbase-db.org
Search normalized clinical trials from ClinicalTrials.gov, CTIS, EudraCT, and ISRCTN with registry identifiers and source-linked evidence.
RecallRadar
api.recallradar.dev
Search normalized consumer-product safety notices from six public authorities with recall classification, hazards, remedies, and provenance.
RxAtlas
api.rxatlas.dev
Search normalized US drug products with source-linked FDA, DailyMed, RxNorm, NADAC, shortage, and enforcement enrichments.
Apex DB
api.apex-db.org
Search normalized vehicle variants, specifications, emissions, and source-linked provenance from public automotive datasets.
x402.ottoai.services
x402.ottoai.services
Best DeFi yield opportunities across stablecoins, ETH, and BTC with risk ratings and APY comparisons.