Catalog

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

https://api.x402node.dev/citation/arxiv

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/

https://api.x402node.dev/citation/doi

https://api.x402node.dev/citation/format

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

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

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

Monitor stablecoin peg deviation, collateral health, and depeg risk in real time

https://api.x402node.dev/feed/discover

https://api.x402node.dev/feed/parse

https://api.x402node.dev/feed/podcast