{"uid":"cap_dL2UiLbow6HgMG1-BrKl4","slug":"base-sentinel-slippage-estimator-1810659f","name":"Base Sentinel Slippage Estimator","description":"Safe slippage tolerance estimation for token swaps with pool depth and volatility analysis","url":"https://demo.x402alpha.app/api/slippage-sentinel","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"token_in":{"type":"string (required): Input token address (0x-prefixed hex string)"},"amount_in":{"type":"string (required): Input amount as string (e.g., '1000')"},"token_out":{"type":"string (required): Output token address (0x-prefixed hex string)"},"route_hint":{"type":"string (optional): Route hint for DEX routing (default: 'base')"}}},"responseSchema":{"success":"boolean","token_in":"string","amount_in":"number","timestamp":"string (ISO 8601)","token_out":"string","route_hint":"string (optional)","pool_depths":"number: Total pool depth in USD","volatility_index":"number: Volatility index (0-100)","min_safe_slip_bps":"number: Minimum safe slippage in basis points","recent_trade_size_p95":"number: 95th percentile trade size in USD"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ge2l-lNqCDOuQ1wlaLxTY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Estimates safe slippage tolerance for token swaps on Base by analyzing pool depth and volatility metrics","exampleAgentPrompt":"What's the safe slippage tolerance I should set when swapping 1000 USDC (0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48) for ETH (0x4200000000000000000000000000000000000006) on Base — give me the pool depth and volatility analysis too.","exampleUseCases":null,"resultDescription":"Returns minimum safe slippage in basis points, total pool depth in USD, a volatility index from 0 to 100, the 95th percentile trade size in USD, and metadata about the token pair and route used — all as of the timestamp of the call.","failureModes":["Invalid or non-checksummed token address returns error","Token pair with no liquidity pool returns no data or zero pool depth","Unsupported route hint returns fallback to default Base routing","Amount input as non-numeric string causes parsing failure","Network congestion may cause stale pool depth data"],"whenToPreferThis":"Use this endpoint when you need a quick, data-driven slippage recommendation before executing a token swap on the Base network, especially for large trades where pool depth and recent volatility materially affect execution risk. Prefer this over generic DEX frontends when you need programmatic slippage values with quantitative backing (volatility index, p95 trade size) for agent-driven trading or smart contract integrations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:39:39.853Z","isFirstParty":false}