# Services from kr-x402-mvp.kgy5612.workers.dev on Zero

> kr-x402-mvp.kgy5612.workers.dev serves 302 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/kr-x402-mvp.kgy5612.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/kr-x402-mvp.kgy5612.workers.dev/health.json

## Services

- [Crypto Market Stress Score](https://www.zero.xyz/c/crypto-market-stress-score-a6cd0267/llms.txt): $0.002/call via x402. Returns a composite 0-100 market-stress score with label and per-leg breakdown across stablecoins, price/breadth, leverage, volatility, and sentiment for crypto markets
- [Base Calldata Decoder & Pre-Sign Risk Analyzer](https://www.zero.xyz/c/base-calldata-decoder-pre-sign-risk-analyzer-109f5db2/llms.txt): $0.002/call via x402. Decodes raw EVM calldata (or a Base transaction hash) into human-readable function signature, typed arguments, plain-English summary, and a risk verdict before signing.
- [Korea Kimchi Premium Live Signal](https://www.zero.xyz/c/korea-kimchi-premium-live-signal-98b069f0/llms.txt): $0.002/call via x402. Returns the live Korea kimchi premium (Upbit KRW vs global USD median) for BTC and ETH, plus USD/KRW FX rate, as a crypto arbitrage and sentiment signal.
- [Crypto OHLCV Candlesticks with Precomputed Technical Indicators](https://www.zero.xyz/c/crypto-ohlcv-candlesticks-with-precomputed-technical-indicators-7c259e78/llms.txt): $0.002/call via x402. Returns OHLCV candlestick data for major USDT pairs with precomputed technical indicators (EMA20, EMA50, RSI14, ATR14, trend, pullback zone) so trading agents skip manual math.
- [Stablecoin Peg & Liquidity Monitor](https://www.zero.xyz/c/stablecoin-peg-liquidity-monitor-4ca26eb0/llms.txt): $0.001/call via x402. Returns real-time peg status, supply metrics, and systemic risk verdict for top USD stablecoins (USDC, USDT, DAI, USDe) with Kraken cross-checks and flow trends.
- [Hyperliquid Perp Movers & Market Scanner](https://www.zero.xyz/c/hyperliquid-perp-movers-market-scanner-e4bc11f5/llms.txt): $0.002/call via x402. Returns a whole-market scan of all ~200 Hyperliquid perpetuals in one call, including top gainers/losers, volume leaders, open interest rankings, funding rate extremes, unusual activity, and market breadth indicators.
- [Base ERC-20 Token Risk Verdict](https://www.zero.xyz/c/base-erc-20-token-risk-verdict-c482f44f/llms.txt): $0.01/call via x402. Returns a deterministic on-chain risk verdict (OK|CAUTION|AVOID), should_buy/can_sell flags, risk score 0-100, and specific risk flags for any Base ERC-20 token address
- [Base Wallet Snapshot – ETH, USDC, Nonce & Gas Check](https://www.zero.xyz/c/base-wallet-snapshot-eth-usdc-nonce-gas-check-1d121202/llms.txt): $0.003/call via x402. Returns a one-call snapshot of a Base wallet: native ETH balance, USDC balance, nonce, live ERC-20 transfer gas cost, and boolean flags indicating whether the wallet can pay gas and x402 micropayments.
- [EVM Gas Price Comparator](https://www.zero.xyz/c/evm-gas-price-comparator-76fae646/llms.txt): $0.002/call via x402. Returns live gas prices across Base, Ethereum, Arbitrum, Optimism, Polygon, and BSC converted to USD costs for transfers and swaps, sorted cheapest-first with a chain recommendation.
- [ERC-20 Allowance Checker on Base](https://www.zero.xyz/c/erc-20-allowance-checker-on-base-4639a151/llms.txt): $0.002/call via x402. Checks how much of an ERC-20 token a spender is approved to move from an owner's wallet on Base, with risk classification, exposure calculation, and ready-to-use revoke calldata.
- [Cross-Exchange Perp Funding Signal](https://www.zero.xyz/c/cross-exchange-perp-funding-signal-ea32295d/llms.txt): $0.006/call via x402. Returns funding APRs across Hyperliquid, OKX, Gate, dYdX (and others when reachable) for BTC/ETH/SOL perps, with a positioning signal, mean APR, and the best funding-arb pair
- [Crypto Fear & Greed Index with Context](https://www.zero.xyz/c/crypto-fear-greed-index-with-context-471bad4b/llms.txt): $0.001/call via x402. Returns the current Crypto Fear & Greed Index value enriched with trend, streak, contrarian signal, historical averages, and optional history up to 30 days
- [ERC-20 Token Balance on Base](https://www.zero.xyz/c/erc-20-token-balance-on-base-7c9701d6/llms.txt): $0.003/call via x402. Returns the live ERC-20 token balance for a wallet on the Base chain, including decimal-adjusted balance, raw balance, symbol, and current block number.
- [DeFi TVL Microdata API](https://www.zero.xyz/c/defi-tvl-microdata-api-a0772efe/llms.txt): $0.002/call via x402. Returns total DeFi TVL with multi-period % changes, risk signal, top chains ranked by TVL, and optional per-chain or per-protocol breakdown in a single call.
- [Stablecoin Peg Monitor & Supply Flow](https://www.zero.xyz/c/stablecoin-peg-monitor-supply-flow-28184b15/llms.txt): $0.001/call via x402. Returns real-time peg status, supply metrics, and systemic risk verdict for top USD stablecoins (USDC, USDT, DAI, USDe) including Kraken cross-check prices and liquidity trend.
- [Base Transaction Status & ERC-20 Transfer Decoder](https://www.zero.xyz/c/base-transaction-status-erc-20-transfer-decoder-cb3f33fb/llms.txt): $0.002/call via x402. Looks up a Base blockchain transaction by hash and returns full status, gas/fee details, decoded ERC-20 transfers, and x402/USDC payment verification
- [Base ETH Balance & Nonce Lookup](https://www.zero.xyz/c/base-eth-balance-nonce-lookup-2d08394d/llms.txt): $0.002/call via x402. Returns the live native ETH balance (in ETH and Wei) plus transaction nonce for a given wallet address on the Base blockchain.
- [Hyperliquid Perp Funding & Market Data](https://www.zero.xyz/c/hyperliquid-perp-funding-market-data-b294115e/llms.txt): $0.005/call via x402. Returns Hyperliquid perpetual funding rates (hourly + APR), open interest, mark/oracle/mid prices, and 24h volume for BTC, ETH, or SOL
- [Crypto Market Pulse — Regime Signal](https://www.zero.xyz/c/crypto-market-pulse-regime-signal-bd27105d/llms.txt): $0.004/call via x402. Returns a single-call crypto market snapshot with BTC/ETH/SOL spot prices, Hyperliquid funding APRs, Korea kimchi premium, Fear & Greed index, and a regime label (risk_on/neutral/risk_off) with plain-English reasons.
- [Crypto Spot Price Aggregator (Median, Multi-Exchange)](https://www.zero.xyz/c/crypto-spot-price-aggregator-median-multi-exchange-e1b7168b/llms.txt): $0.003/call via x402. Returns aggregated spot USD prices for major cryptocurrencies, computed as a median across up to five exchanges (Coinbase, Kraken, Bybit, Binance, CoinGecko), with source count, dispersion, 24h change, and volume.
- [x402 Pre-Payment Safety Check](https://www.zero.xyz/c/x402-pre-payment-safety-check-0643a0a3/llms.txt): $0.002/call via x402. Fetches any x402-protected URL unpaid and decodes its 402 payment quote to expose pricing, network, asset, and risk signals before an agent commits funds
- [Polymarket Prediction Market Odds via Crypto Microdata](https://www.zero.xyz/c/polymarket-prediction-market-odds-via-crypto-microdata-16f42846/llms.txt): $0.003/call via x402. Fetches live Polymarket prediction-market events with implied probabilities, bid/ask spreads, and 24h volume for any keyword, sorted by trading activity
- [Crypto OHLCV Candles with Precomputed Indicators](https://www.zero.xyz/c/crypto-ohlcv-candles-with-precomputed-indicators-93715f5b/llms.txt): $0.002/call via x402. Fetches OHLCV candlestick data for major USDT crypto pairs with precomputed EMA, RSI, ATR, trend, and pullback zone indicators so trading agents skip manual math.
- [Crypto X (Twitter) Social Search](https://www.zero.xyz/c/crypto-x-twitter-social-search-9d581c2f/llms.txt): $0.003/call via x402. Searches recent X (Twitter) posts for crypto keywords, tickers, or handles and returns posts with engagement metrics plus a synthesized signal including sentiment, top claim, and notable terms.
- [Base DEX Swap Quote (Best-Route)](https://www.zero.xyz/c/base-dex-swap-quote-best-route-ea9bc007/llms.txt): $0.003/call via x402. Returns the best-route swap quote on Base for any token pair, with optional ready-to-sign calldata and wallet approval checks, aggregating 100+ DEX pools via KyberSwap and OpenOcean.
- [Base Gas Oracle (EIP-1559 Fee Estimator)](https://www.zero.xyz/c/base-gas-oracle-eip-1559-fee-estimator-b05d273f/llms.txt): $0.001/call via x402. Returns real-time EIP-1559 gas fee tiers (slow/standard/fast), base fee, network congestion score, and estimated transaction cost in ETH and USD for the Base L2 blockchain.
- [Hyperliquid Perpetuals L2 Order Book (BTC/ETH/SOL)](https://www.zero.xyz/c/hyperliquid-perpetuals-l2-order-book-btc-eth-sol-3bb2711a/llms.txt): $0.005/call via x402. Returns real-time top-of-book data from Hyperliquid perpetuals exchange for BTC, ETH, or SOL: best bid/ask, mid price, spread in bps, and up to 20 levels of depth per side.
- [Crypto Global Market Context](https://www.zero.xyz/c/crypto-global-market-context-64f5f335/llms.txt): $0.002/call via x402. Returns a single-call snapshot of the entire crypto market: market cap, volume, BTC/ETH dominance, DeFi TVL, stablecoin supply flows, Fear & Greed index, and a RISK_ON/NEUTRAL/RISK_OFF regime label with reasons.
- [Hyperliquid Market Movers via x402](https://www.zero.xyz/c/hyperliquid-market-movers-via-x402-e731fc1e/llms.txt): $0.002/call via x402. Returns top gainers, losers, highest funding, and market breadth stats for Hyperliquid perpetuals, paid per-call with USDC via x402.
- [Token Risk Assessment on Base (x402)](https://www.zero.xyz/c/token-risk-assessment-on-base-x402-875d9a07/llms.txt): $0.01/call via x402. Returns a risk score, verdict, and safety flags for any ERC-20 token contract on Base chain, including honeypot detection, buy/sell tax, holder concentration, and contract verification status.
- [Crypto OHLCV Candlesticks with Precomputed Indicators](https://www.zero.xyz/c/crypto-ohlcv-candlesticks-with-precomputed-indicators-d2fd6d06/llms.txt): $0.002/call via x402. Returns OHLCV candlestick data for major USDT crypto pairs with precomputed technical indicators (EMA20, EMA50, RSI14, ATR14, trend, pullback zone)
- [Hyperliquid Liquidations & Crowding Signal](https://www.zero.xyz/c/hyperliquid-liquidations-crowding-signal-e38a4f5e/llms.txt): $0.003/call via x402. Returns per-coin liquidation data, open interest, taker flow, long/short ratio, funding rates, and a crowding verdict for a perpetuals market coin on Hyperliquid/OKX
- [Crypto Liquidations & Positioning Signal (Coinglass via x402)](https://www.zero.xyz/c/crypto-liquidations-positioning-signal-coinglass-via-x402-9767ede6/llms.txt): $0.003/call via x402. Returns liquidation data, open interest, taker flow, long/short ratios, funding rates, and a crowd-positioning verdict for a given crypto perpetual (e.g. BTC, ETH, SOL), paid per-call with USDC on Base via x402.
- [Crypto Social Sentiment Search (X/Twitter)](https://www.zero.xyz/c/crypto-social-sentiment-search-x-twitter-336726ac/llms.txt): $0.003/call via x402. Searches X (Twitter) for crypto-related posts and returns structured sentiment signals, engagement metrics, and top claims for a given query or token.
- [Hyperliquid Current Funding Rate (x402)](https://www.zero.xyz/c/hyperliquid-current-funding-rate-x402-7f6a70cc/llms.txt): $0.005/call via x402. Returns the current perpetual funding rate, mark price, oracle price, and open interest for BTC, ETH, or SOL on Hyperliquid, paid per-call via x402 USDC microtransaction.
- [Base Wallet Quick Check (ETH + USDC + Gas Bundle)](https://www.zero.xyz/c/base-wallet-quick-check-eth-usdc-gas-bundle-bc5843a8/llms.txt): $0.003/call via x402. Returns ETH balance, USDC balance, nonce, live ERC-20 transfer gas cost, and can_pay_gas/can_pay_x402 flags for a Base wallet in a single call.
- [Crypto Spot Price Oracle (Multi-Exchange Median)](https://www.zero.xyz/c/crypto-spot-price-oracle-multi-exchange-median-7a5b654c/llms.txt): $0.003/call via x402. Returns aggregated spot USD prices for major cryptocurrencies, computed as a median across Coinbase, Kraken, Bybit, Binance, and CoinGecko, with source count, dispersion, 24h change, and volume.
- [Crypto Long/Short Ratio & Crowding Signal (CoinAnk)](https://www.zero.xyz/c/crypto-long-short-ratio-crowding-signal-coinank-83342c43/llms.txt): $0.003/call via x402. Returns aggregated long/short positioning, open interest, liquidations, taker flow, funding rates, and a plain-language crowding verdict for a given perp coin.
- [Crypto Contract Info Lookup (x402)](https://www.zero.xyz/c/crypto-contract-info-lookup-x402-44f3172b/llms.txt): $0.002/call via x402. Returns on-chain contract metadata for a given EVM address on Base or Ethereum: token info, proxy structure, admin flags, and risk indicators.
- [Hyperliquid L2 Orderbook via x402](https://www.zero.xyz/c/hyperliquid-l2-orderbook-via-x402-7a9a479f/llms.txt): $0.005/call via x402. Returns the live L2 order book (bids, asks, spread, mid price) for BTC, ETH, or SOL perpetuals on Hyperliquid, paid per-call via x402 USDC micropayment.
- [Crypto Liquidations & Market Positioning Signal](https://www.zero.xyz/c/crypto-liquidations-market-positioning-signal-47beaf3c/llms.txt): $0.003/call via x402. Returns real-time liquidation data, open interest, taker flow, long/short ratios, and a crowd-positioning verdict for a given crypto perpetual contract
- [Crypto Derivatives Microdata — Perpetuals Sentiment & Positioning](https://www.zero.xyz/c/crypto-derivatives-microdata-perpetuals-sentiment-positioning-3ef33ac8/llms.txt): $0.003/call via x402. Returns real-time perpetuals derivatives data for a given coin: funding rates, open interest, liquidations, taker flow, long/short ratios, and a crowding verdict with action signal.
- [Crypto Liquidations & Positioning Signal (x402)](https://www.zero.xyz/c/crypto-liquidations-positioning-signal-x402-694eb06d/llms.txt): $0.003/call via x402. Returns real-time liquidation data, open interest, taker flow, funding rates, and a positioning verdict for a given crypto perp coin
- [Hyperliquid Perpetuals Orderbook via x402](https://www.zero.xyz/c/hyperliquid-perpetuals-orderbook-via-x402-2758b4bb/llms.txt): $0.005/call via x402. Returns the real-time L2 order book (bids, asks, spread, mid price) for BTC, ETH, or SOL perpetual futures on Hyperliquid, paid per-call with USDC on Base.
- [Base Transaction Simulator](https://www.zero.xyz/c/base-transaction-simulator-4a597722/llms.txt): $0.003/call via x402. Simulates one or more Base blockchain transactions to predict gas usage, token transfers, balance changes, and safety verdict before broadcasting
- [Base Gas Oracle (x402 Microdata)](https://www.zero.xyz/c/base-gas-oracle-x402-microdata-8922a556/llms.txt): $0.001/call via x402. Returns current Base L2 gas prices, fee tiers (slow/standard/fast), congestion level, and estimated transaction costs for a given gas limit, paid per-call via x402 USDC.
- [ERC-20 Token Allowance Checker (Base Chain)](https://www.zero.xyz/c/erc-20-token-allowance-checker-base-chain-d4200f69/llms.txt): $0.002/call via x402. Fetches the current ERC-20 token allowance granted by an owner to a spender on Base, including balance, exposure risk, and revoke recommendation.
- [Crypto Open Interest & Positioning Signal](https://www.zero.xyz/c/crypto-open-interest-positioning-signal-51c26381/llms.txt): $0.003/call via x402. Returns real-time open interest, liquidations, taker flow, long/short ratio, and a crowding verdict for a given crypto perpetual coin
- [Crypto OHLCV Klines with Precomputed Indicators](https://www.zero.xyz/c/crypto-ohlcv-klines-with-precomputed-indicators-47d3cf3d/llms.txt): $0.002/call via x402. Returns OHLCV candlestick data for major USDT crypto pairs with precomputed technical indicators (EMA20, EMA50, RSI14, ATR14, trend, pullback zone)
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