Crypto & Blockchain

USD Coin

CRYPTO: Bitcoin blockchain vitals — 24h tx, blocks, block interval, on-chain USD volume, difficulty, supply (blockchain.info). Returns JSON.

Latest bank lending interest rate for all countries; q sets how many most recent years to return. Query: ?q= Returns JSON.

Live Bitcoin fee estimates (sat/vB) + mempool size — on-chain congestion signal. Live. Returns JSON.

CRYPTO: OHLCV candles for any spot pair (OKX). ?instId=BTC-USDT&bar=1D (1m,5m,15m,1H,4H,1D,1W). Returns JSON.

World Bank macro indicators by country (?country=US&indicator=FP.CPI.TOTL.ZG, default US inflation). Live. Returns JSON.

CRYPTO: 30-day daily USD price history for any coin by CoinGecko id (DeFiLlama oracle, keyless). ?id=bitcoin|ethereum. Returns JSON.

Latest US Treasury average interest rates by security type — macro/yield signal. Live. Returns JSON.

Total value locked per blockchain, ranked — capital-flow signal across chains. Live. Returns JSON.

Top 24h gainers and losers among the top-250 coins by market cap. Live. Returns JSON.

World Bank annual GDP (current US$) time series for a country (ISO code, e.g. DE) Query: ?q= Returns JSON.

Latest price and daily change from Poloniex for a market symbol. Query: ?symbol= Returns JSON.

CRYPTO: Bitcoin Lightning Network state — node/channel counts, capacity, Tor vs clearnet, fee rates (mempool.space). Returns JSON.

MARKETS: supported ISO 4217 currency codes and names (Frankfurter/ECB). Returns JSON.

Base species and evolutions in a Pokemon evolution chain (param id). Query: ?id= Returns JSON.

ECONOMICS: U.S. savings bond issuance/redemption piece counts by series. Returns JSON.

Latest trade price from MEXC for a symbol. Query: ?symbol= Returns JSON.

ECONOMICS: official U.S. government quarterly FX rates for federal reporting (?country=Euro Zone; omit for latest quarter, all currencies). Returns JSON.

Coins trending in search/interest right now (CoinGecko) — attention signal. Live. Returns JSON.

Recent completed transactions from Bithumb for a coin_market pair. Query: ?symbol= Returns JSON.

Best DEX swap route with price impact + gas across 100+ liquidity sources (KyberSwap aggregator). Query ?chain=&tokenIn=&tokenOut=&amountIn= (defaults to USDC→WETH on Base). Live execution data an LLM cannot fetch itself. Returns JSON.

Crypto sectors/categories ranked by 24h market-cap change — rotation signal (AI, memes, RWA, DePIN). Live. Returns JSON.

Top DeFi protocols by TVL with 1-day and 7-day change (DeFiLlama). Live. Returns JSON.

24h trading volume per DEX, ranked, with 1-day change. Live. Returns JSON.