# Services from xx402.icu on Zero

> xx402.icu serves 40 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/xx402.icu
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/xx402.icu/health.json

## Services

- [Base Onchain Risk & Token Intelligence API – Token Diligence](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-token-diligence-070c0cd9/llms.txt): $0.01/call via x402. Performs comprehensive onchain risk diligence on a Base ERC20 token, returning contract metadata, liquidity pair data, token flow analysis, holder concentration, contract risk signals, and an overall risk assessment.
- [Base Protocol Fee Quality Feed](https://www.zero.xyz/c/base-protocol-fee-quality-feed-352bb051/llms.txt): $0.01/call via x402. Returns ranked protocol fee quality data for Base chain protocols, including fee-to-TVL ratios, fee decline alerts, low-fee/high-TVL anomalies, and incident context for DeFi risk analysis.
- [Base Yield Pool Allocation Risk Feed](https://www.zero.xyz/c/base-yield-pool-allocation-risk-feed-02d75daf/llms.txt): $0.01/call via x402. Returns ranked yield pool allocation risk queues for Base DeFi protocols, including risk scores, avoid lists, watchlists, and incident context for pools filtered by APY, TVL, and project.
- [Base Large Transfer Radar](https://www.zero.xyz/c/base-large-transfer-radar-343edaff/llms.txt): $0.01/call via x402. Scans recent Base blockchain blocks for large ERC20 token transfers above a USD threshold, returning transfer events, risk flags, and review queues for specified tokens.
- [Base Contract Control Event Feed](https://www.zero.xyz/c/base-contract-control-event-feed-3afb2191/llms.txt): $0.01/call via x402. Returns recent contract control events (ownership transfers, upgrades, pauses, role changes) on the Base blockchain within a configurable block window
- [Base Allowance Risk API](https://www.zero.xyz/c/base-allowance-risk-api-c34d2ef7/llms.txt): $0.01/call via x402. Returns ERC-20 token allowance details, spender account analysis, approval event history, and a risk assessment for a given owner/spender/token combination on Base.
- [Base Token Trade Safety Check](https://www.zero.xyz/c/base-token-trade-safety-check-7e2062a9/llms.txt): $0.01/call via x402. Assesses the trade safety of a Base ERC20 token by analyzing liquidity, token flow, holder concentration, contract controls, and risk flags to produce a summary recommendation.
- [Base Wallet Approval Exposure API](https://www.zero.xyz/c/base-wallet-approval-exposure-api-29ac5a75/llms.txt): $0.01/call via x402. Returns approval exposure risk for a wallet's ERC20 token allowances on Base, identifying risky spenders within a recent block window
- [Base Onchain Token Contract Risk API](https://www.zero.xyz/c/base-onchain-token-contract-risk-api-fbb8823e/llms.txt): $0.01/call via x402. Analyzes a Base ERC20 token contract address and returns a comprehensive onchain risk assessment including contract controls, proxy structure, selector heuristics, and risk summary.
- [Base Onchain Risk & Token Intelligence API](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-8b8f6ba5/llms.txt): $0.01/call via x402. Returns a ranked, actionable onchain risk feed for the Base blockchain covering DeFi protocols, tokens, DEX pairs, pools, stable assets, contract controls, and large transfers
- [Base Wallet Counterparty Flow](https://www.zero.xyz/c/base-wallet-counterparty-flow-ba5ae4e4/llms.txt): $0.01/call via x402. Analyzes onchain counterparty flows for a Base wallet address over a recent block window, returning inbound/outbound transfer counterparties, large transfers, risk flags, and a review queue for a specified ERC20 token.
- [Base Token Watchlist Risk Digest](https://www.zero.xyz/c/base-token-watchlist-risk-digest-bd49a4f8/llms.txt): $0.01/call via x402. Discovers and ranks Base chain tokens by risk, returning trade-safety packets, watchlist digests, and review/avoid queues for DeFi due diligence.
- [Base DEX Pair Anomaly Radar](https://www.zero.xyz/c/base-dex-pair-anomaly-radar-d28432c4/llms.txt): $0.01/call via x402. Scans Base network DEX pairs for anomalous trading behavior, liquidity irregularities, and risk signals across configurable search terms and filters.
- [Base Protocol Outflow Risk Feed](https://www.zero.xyz/c/base-protocol-outflow-risk-feed-feabd7c1/llms.txt): $0.01/call via x402. Returns ranked protocol outflow risk alerts for Base DeFi protocols, including TVL drawdown signals, yield pool context, and incident history to help agents avoid or exit at-risk positions.
- [Base Liquidity Exit Risk Feed](https://www.zero.xyz/c/base-liquidity-exit-risk-feed-5ed2f0f3/llms.txt): $0.01/call via x402. Returns ranked liquidity exit-risk alerts, pair anomalies, large-transfer signals, and targeted token safety checks for tokens and DEX pairs on the Base blockchain.
- [Base Promoted Token Campaign Risk Radar](https://www.zero.xyz/c/base-promoted-token-campaign-risk-radar-3802ecd2/llms.txt): $0.01/call via x402. Returns risk assessments for currently promoted/advertised tokens on Base, flagging campaign-driven tokens with liquidity, contract control, and safety analysis.
- [Base Onchain Risk & Token Intelligence API – Token Discovery Radar](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-token-discovery-radar-c9a4e7f4/llms.txt): $0.01/call via x402. Discovers and ranks new Base chain token candidates from DEX data, screening them for liquidity, volume, and contract-control risk signals
- [Base Onchain Risk & Token Intelligence API](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-c05570d8/llms.txt): $0.01/call via x402. Returns a comprehensive DeFi risk intelligence feed for the Base blockchain, including token discovery, DEX pair anomalies, liquidity risks, contract controls, and protocol-level risk signals.
- [BTC15 Recent Market Tape](https://www.zero.xyz/c/btc15-recent-market-tape-faaecfd0/llms.txt): $0.01/call via x402. Returns the most recent Bitcoin 15-minute Up/Down prediction market data including microstructure, execution friction, calibration slices, and resolved/unresolved market tape.
- [x402 Resource Preflight Check](https://www.zero.xyz/c/x402-resource-preflight-check-223b1849/llms.txt): $0.01/call via x402. Probes a public x402-gated URL without payment to inspect its payment terms, validate budget fit, and return a buyer retry plan before committing funds.
- [Base Onchain Risk & Token Intelligence API](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-dee517d4/llms.txt): $0.01/call via x402. Returns risk flags, recent transfer history, and token/account intelligence for a given Base/EVM address and ERC20 token pair
- [Base Stable Asset Risk Feed](https://www.zero.xyz/c/base-stable-asset-risk-feed-919532b2/llms.txt): $0.01/call via x402. Returns ranked risk assessments for stablecoin assets and their DEX pairs on Base, including circulation risk, liquidity risk, and pool-level anomalies.
- [Base Wallet Batch Risk Screening API](https://www.zero.xyz/c/base-wallet-batch-risk-screening-api-190c573f/llms.txt): $0.01/call via x402. Screens up to 5 Base/EVM wallet addresses in batch for onchain risk signals, returning risk levels, high-risk flags, and manual review recommendations for a specified ERC20 token and block window.
- [Base Onchain Risk & Token Intelligence API – Wallet Risk Endpoint](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-wallet-risk-endpoint-72563260/llms.txt): $0.01/call via x402. Returns onchain risk assessment for a Base wallet address including approval exposure, token risk, and counterparty flow analysis within a specified block window
- [Base DEX Pair Risk Analysis](https://www.zero.xyz/c/base-dex-pair-risk-analysis-7ba767d1/llms.txt): $0.01/call via x402. Analyzes risk, liquidity, market depth, and activity for a given Base network DEX trading pair by address
- [Base Wallet Watchlist Risk Digest](https://www.zero.xyz/c/base-wallet-watchlist-risk-digest-b0b0d4dc/llms.txt): $0.01/call via x402. Returns a risk digest for a watchlist of Base/EVM wallet addresses, including counterparty flows, approval exposures, transfer samples, and ranked review/avoid queues for a specified token and block window.
- [Base Onchain Risk & Token Intelligence API – Batch Token Diligence](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-batch-token-diligence-c1cc87e6/llms.txt): $0.01/call via x402. Screens up to 3 Base ERC20 token addresses in a single call for onchain risk signals including liquidity, holder concentration, contract controls, DEX pair anomalies, and trade safety.
- [Base Pool Launch Risk Feed](https://www.zero.xyz/c/base-pool-launch-risk-feed-9645196c/llms.txt): $0.01/call via x402. Returns a ranked risk feed of newly launched and hot DEX pools on Base, flagging launch risks, urgent review items, and avoid-list candidates with liquidity and volume filters.
- [Base Approval Risk Feed](https://www.zero.xyz/c/base-approval-risk-feed-eee3186f/llms.txt): $0.01/call via x402. Scans recent Base blockchain approval logs for a set of ERC20 token addresses and returns a ranked risk queue of suspicious or dangerous token approval events, spender watchlists, and token-level summaries.
- [Base Token Liquidity Intelligence API](https://www.zero.xyz/c/base-token-liquidity-intelligence-api-96c78c05/llms.txt): $0.01/call via x402. Returns DEX pair liquidity data, risk flags, and liquidity summary for a given Base ERC20 token contract address
- [Base Token Holder Sketch API](https://www.zero.xyz/c/base-token-holder-sketch-api-7cf9665b/llms.txt): $0.01/call via x402. Returns a sketch of observed token holders, whale candidates, contract holders, and recent transfer activity for a Base ERC20 token within a specified block window, including risk flags.
- [BTC15 Market Microstructure Intelligence API](https://www.zero.xyz/c/btc15-market-microstructure-intelligence-api-7fc9dd93/llms.txt): $0.01/call via x402. Returns a structured microstructure snapshot for the current or historical Bitcoin 15-minute Up/Down prediction market, including decision signals, liquidity metrics, trade pressure, and data quality flags.
- [Base Onchain Risk & Token Intelligence API – Token Flow Risk](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-token-flow-risk-061b43b0/llms.txt): $0.01/call via x402. Analyzes ERC20 token transfer flows on Base to surface top senders, top receivers, large transfers, and risk flags over a configurable block window
- [Base Onchain Risk & Token Intelligence API](https://www.zero.xyz/c/base-onchain-risk-token-intelligence-api-c91966a8/llms.txt): $0.01/call via x402. Returns a comprehensive DeFi risk intelligence feed for the Base blockchain, including risk-ranked protocol queues, stablecoin safety, yield pool alerts, token safety scores, and incident history.
- [BTC15 Threshold Pressure Alert](https://www.zero.xyz/c/btc15-threshold-pressure-alert-e2b4c0d7/llms.txt): $0.01/call via x402. Returns a pressure alert indicating whether Bitcoin's current 15-minute prediction market price is within a user-defined USD gap of a target threshold, along with derived pressure scores and liquidity signals.
- [BTC15 Calibration Slice API](https://www.zero.xyz/c/btc15-calibration-slice-api-d8a41fcd/llms.txt): $0.01/call via x402. Returns aggregate calibration buckets and sample rows from recently resolved Bitcoin 15-minute Up/Down prediction markets, including signal quality and feature summaries.
- [BTC15 Resolved Feature Sample](https://www.zero.xyz/c/btc15-resolved-feature-sample-8099eca3/llms.txt): $0.01/call via x402. Returns labeled, resolved Bitcoin 15-minute Up/Down prediction-market snapshots with calibration features for model training and evaluation.
- [x402 Seller Visibility Audit](https://www.zero.xyz/c/x402-seller-visibility-audit-ed07c0ac/llms.txt): $0.01/call via x402. Audits whether an x402 paid API endpoint is discoverable by buyers in CDP Bazaar, checks payment requirements, and returns a visibility decision with actionable recommendations for sellers.
- [x402 Buyer Market Scout – Base Risk & BTC15 Intelligence](https://www.zero.xyz/c/x402-buyer-market-scout-base-risk-btc15-intelligence-8e098e95/llms.txt): $0.01/call via x402. Searches the x402 paid-API marketplace for services matching a natural-language buyer task, then returns a scouting report with route recommendations, price flags, and fit analysis for Base DeFi risk and BTC15 prediction-market data.
- [BTC15 Execution Friction Feed](https://www.zero.xyz/c/btc15-execution-friction-feed-8ee70647/llms.txt): $0.01/call via x402. Returns execution friction metrics and decision data for Bitcoin 15-minute Up/Down prediction markets, including ticket-size ladders, guardrails, and quality flags.

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

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