# Services from crypto.openverbs.com on Zero

> crypto.openverbs.com serves 19 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/crypto.openverbs.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/crypto.openverbs.com/health.json

## Services

- [Crypto Fear and Greed Index](https://www.zero.xyz/c/crypto-fear-and-greed-index-20059e6f/llms.txt): $0.003/call via x402. Returns the live crypto Fear and Greed Index (0–100 with classification label) and optionally a short historical daily series, sourced from alternative.me.
- [DeFi Protocol TVL Lookup](https://www.zero.xyz/c/defi-protocol-tvl-lookup-1d428b0e/llms.txt): $0.001/call via x402. Returns total value locked (USD) for a single DeFi protocol by DefiLlama slug or name, including per-chain TVL breakdown and 1h/1d/7d changes
- [crypto.openverbs.com Historical Token Price Series](https://www.zero.xyz/c/crypto-openverbs-com-historical-token-price-series-c4d9a931/llms.txt): $0.003/call via x402. Returns an evenly-spaced historical USD price series for a single crypto token over a configurable span and period (hourly, daily, or weekly).
- [DeFi Protocols Ranked by TVL](https://www.zero.xyz/c/defi-protocols-ranked-by-tvl-dfa2aff4/llms.txt): $0.003/call via x402. Returns top DeFi protocols ranked by total value locked (USD) with 1d/7d TVL changes, categories, and supported chains, with optional chain and category filters.
- [Stablecoin Market Overview API](https://www.zero.xyz/c/stablecoin-market-overview-api-4a44c585/llms.txt): $0.003/call via x402. Returns the total circulating stablecoin market cap in USD plus a ranked list of the largest stablecoins with their peg type, peg mechanism, and dominance share.
- [DEX Aggregator Trading Volume](https://www.zero.xyz/c/dex-aggregator-trading-volume-48d26ee3/llms.txt): $0.003/call via x402. Returns total 24h/7d/30d USD trading volume for DEX aggregators (1inch, CowSwap, Jupiter, etc.) with 1d/7d change percentages and a ranked leaderboard, optionally filtered by chain.
- [Crypto Web Buzz Analyzer](https://www.zero.xyz/c/crypto-web-buzz-analyzer-096cb334/llms.txt): $0.05/call via x402. Returns total web mention count for a crypto coin/token plus an emotion breakdown (happiness, anger, love, sadness, fun) and a 0-1 positivity score across news, blogs, and forums.
- [Google Trends Search Interest for Crypto Terms](https://www.zero.xyz/c/google-trends-search-interest-for-crypto-terms-58f4baf2/llms.txt): $0.03/call via x402. Returns a relative 0–100 Google Trends popularity time series for up to 5 crypto keywords, with per-keyword average and latest value, measuring retail search attention.
- [Crypto Options Trading Volume & Protocol Rankings](https://www.zero.xyz/c/crypto-options-trading-volume-protocol-rankings-aeae0756/llms.txt): $0.003/call via x402. Returns onchain options trading volume (24h/7d/30d USD) with period-over-period changes, plus a ranked list of top options protocols by 24h volume, with optional single-chain filtering.
- [OpenVerbs Crypto Token Price Lookup](https://www.zero.xyz/c/openverbs-crypto-token-price-lookup-db530ed5/llms.txt): $0.001/call via x402. Returns current USD prices for one or more tokens identified by CoinGecko slug or on-chain contract address, with unrecognized IDs flagged in `notFound`.
- [DEX Trading Volume API](https://www.zero.xyz/c/dex-trading-volume-api-21c82a95/llms.txt): $0.003/call via x402. Returns total 24h and 7d decentralised exchange (DEX) trading volume in USD with period-over-period changes, plus a ranked list of top DEXs by 24h volume, optionally filtered to a single blockchain.
- [DeFi Yield Pools Ranked by APY](https://www.zero.xyz/c/defi-yield-pools-ranked-by-apy-396dff4d/llms.txt): $0.003/call via x402. Returns top DeFi yield pools ranked by APY with optional filters for chain, protocol, stablecoin type, and minimum TVL to exclude dust pools.
- [DeFi Market Overview (TVL & Chain Stats)](https://www.zero.xyz/c/defi-market-overview-tvl-chain-stats-7b801b9f/llms.txt): $0.003/call via x402. Returns the total value locked (USD) across all DeFi chains, the number of chains, and the top chains ranked by TVL with each chain's dominance percentage.
- [DeFi Protocol Fees & Revenue API](https://www.zero.xyz/c/defi-protocol-fees-revenue-api-26c7a130/llms.txt): $0.003/call via x402. Returns total 24h and 7d DeFi protocol fees paid by users plus a ranked list of top protocols by 24h fees with revenue, optionally filtered by chain.
- [Crypto News Headlines Search](https://www.zero.xyz/c/crypto-news-headlines-search-c05989b9/llms.txt): $0.005/call via x402. Returns live, ranked crypto news headlines from Google News for a given query, localised by language and location.
- [Crypto Global Market Cap & Dominance](https://www.zero.xyz/c/crypto-global-market-cap-dominance-170bd880/llms.txt): $0.003/call via x402. Returns total cryptocurrency market capitalization, 24h trading volume, BTC/ETH dominance percentages, 24h market cap and volume changes, and active coin/market counts for the entire crypto market.
- [Crypto Trending Gainers & Losers](https://www.zero.xyz/c/crypto-trending-gainers-losers-36eb5f71/llms.txt): $0.003/call via x402. Returns the top 24h price momentum gainers and losers among major cryptocurrencies, with symbol, rank, USD price, 24h change %, and market cap.
- [Crypto Fear & Greed Index](https://www.zero.xyz/c/crypto-fear-greed-index-a3e4e1c5/llms.txt): $0.001/call via x402. Returns the current Crypto Fear & Greed Index (0–100 with classification) and optionally a short historical series of up to 30 days.
- [crypto.openverbs.com TVL Lookup](https://www.zero.xyz/c/crypto-openverbs-com-tvl-lookup-f78b76a8/llms.txt): $0.003/call via x402. Returns the current total value locked (USD) for a specific DeFi protocol (e.g. Aave) or an entire blockchain (e.g. Ethereum)

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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