Catalog

Historical forex rate for a specific date (ECB data via Frankfurter)

Historical forex rate for a specific date (ECB data via Frankfurter). Returns rates for the requested date, going back t

Detect real-time crypto arbitrage opportunities across centralized exchanges

https://api.x402node.dev/identity/avatar

Track DeFi TVL trends, chain dominance, and capital rotation signals

https://api.x402node.dev/identity/email-suggest

https://api.x402node.dev/identity/username-check

https://api.x402node.dev/identity/gravatar

Extract dominant colors from an image URL via 64x64 downsample + 3-bit-per-channel quantization

Extract dominant colors from an image URL via 64x64 downsample + 3-bit-per-channel quantization. Returns top N colors as

Detect image format from a URL using magic bytes (works even when extension or content-type lies)

Detect image format from a URL using magic bytes (works even when extension or content-type lies). Returns format, conte

Search Wikipedia articles

Search Wikipedia articles. Returns title, snippet (highlighted match), pageid, wordcount, and direct article URL. Use ?q

Get dimensions and format for an image URL

Get dimensions and format for an image URL. Returns width, height, type (jpeg/png/gif/webp/bmp/tiff/heic/avif), aspect r

https://api.x402node.dev/knowledge/wikidata

NFT floor prices, holder analytics, rarity, wash trading detection, and trend intelligence

https://api.x402node.dev/knowledge/wikipedia-page

https://api.x402node.dev/knowledge/wiktionary

https://api.x402node.dev/maps/forward

Haversine great-circle distance between two coordinates

Haversine great-circle distance between two coordinates. Returns km, miles, bearing degrees. Use ?lat1=X and lng1=Y and

https://api.x402node.dev/maps/ip

Bollinger Band values, squeeze and breakout alerts across the market, and full BB intelligence with breakout probability

Reverse geocode lat/lng to a postal address via OpenStreetMap Nominatim

Reverse geocode lat/lng to a postal address via OpenStreetMap Nominatim. Returns display name, country, state, city, roa

https://api.x402node.dev/maps/timezone

https://api.x402node.dev/maps/weather

Find profitable triangular arbitrage loops with execution sequence, sizing, and timing windows

Parse YAML frontmatter from markdown (the --- block at top)

Parse YAML frontmatter from markdown (the --- block at top). Returns parsed dict, raw frontmatter, and body without fron