Catalog

Detect DEX vs CEX price gaps with fee-adjusted profit, liquidity depth, and execution viability

Track stablecoin spreads, peg risk, and safe arbitrage opportunities across venues

Find cross-chain arbitrage routes with bridge costs, latency risk, and execution steps

Detect NFT marketplace floor spreads with rarity, gas, and liquidity-risk adjustment

Calculate arbitrage profitability after gas, fees, slippage, and congestion costs

Scan market inefficiencies across crypto, NFT, and DeFi with root-cause analysis

Find flash loan opportunities with MEV risk, failure scenarios, and execution plans

Trait rarity scoring, percentile ranking, and rarity-adjusted valuation for any NFT

Track whale wallet movements, accumulation patterns, and sentiment across blue-chip NFT collections

Upcoming NFT mints with hype scoring, sellout probability, and risk assessment

Detect below-floor NFT listings and instant flip opportunities with urgency scoring

NFT trading volume heatmaps, volatility analysis, and optimal entry timing by day and hour

Track NFT influencer purchases, shills, market impact, and win rate history

Cross-marketplace NFT arbitrage with fee-adjusted P&L across OpenSea, Blur, and X2Y2

https://api.x402node.dev/chain/btc-balance

https://api.x402node.dev/chain/eth-balance

https://api.x402node.dev/chain/eth-tx

Look up arXiv preprint metadata

Look up arXiv preprint metadata. Returns title, authors, abstract, publish/update dates, categories, PDF URL, DOI, comme

Convert any DOI to BibTeX format via doi.org content negotiation

Convert any DOI to BibTeX format via doi.org content negotiation. Returns ready-to-paste BibTeX entry. Use ?doi=10.1038/

Look up scholarly metadata for any DOI via CrossRef

Look up scholarly metadata for any DOI via CrossRef. Returns title, authors, journal, publication date, abstract, citati

Format any DOI into a styled citation (apa, mla, chicago, ieee, harvard, vancouver)

Format any DOI into a styled citation (apa, mla, chicago, ieee, harvard, vancouver). Returns plain-text bibliography str

https://api.x402node.dev/color/contrast

https://api.x402node.dev/color/hex-to-rgb

https://api.x402node.dev/color/random