{"uid":"cap_ARKAGPn-XZDv2YwqA-a1y","slug":"uniswap-v3-weth-usdc-pool-slippage-estimator-a3e596d9","name":"Uniswap v3 WETH/USDC Pool Slippage Estimator","description":"Estimated price impact / slippage for a WETH/USDC trade of a given USD size on Uniswap v3, from on-chain pool depth. Order-of-magnitude signal (v3 is concentrated liquidity), useful for MEV/execution bots before trading.","url":"https://auditor-x402.onrender.com/api/pool-slippage?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"tradeSizeUsd":{"type":"number","description":"Trade size in USD, 100-5,000,000 (default 10000)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SlEIRC1Dlvk5ydIfojrsv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Estimates price impact and slippage for a WETH/USDC trade of a given USD size on Uniswap v3, derived from on-chain concentrated liquidity pool depth.","exampleAgentPrompt":"Before I execute a $250,000 WETH/USDC swap on Uniswap v3, can you estimate the expected slippage and price impact from the on-chain pool depth?","exampleUseCases":[{"title":"Pre-trade slippage check for MEV bot","prompt":"I'm about to run an arbitrage — estimate the slippage and price impact for a $500,000 WETH/USDC trade on Uniswap v3 so I know if it's still profitable after execution costs."},{"title":"Large institutional swap pre-flight","prompt":"We're planning to buy $2,000,000 worth of WETH using USDC on Uniswap v3 — what's the estimated price impact and slippage I should expect from the current pool depth?"},{"title":"Optimal trade size calibration","prompt":"I want to keep slippage under 0.5% — can you check what the estimated slippage would be for a $75,000 WETH/USDC trade on Uniswap v3 so I can decide whether to split the order?"}],"resultDescription":"Returns an estimated slippage percentage and price impact for a WETH/USDC trade of the specified USD size, computed from on-chain Uniswap v3 concentrated liquidity pool depth. Provides an order-of-magnitude signal useful for pre-trade execution decisions.","failureModes":["Trade size outside supported range (100–5,000,000 USD) may return validation error","On-chain RPC call failure or node unavailability may cause timeout or 5xx error","Stale or low-liquidity pool state may produce imprecise estimates due to concentrated liquidity dynamics","Missing or malformed tradeSizeUsd field returns bad request error","Render.com cold start delay may add latency on first call"],"whenToPreferThis":"Use this endpoint when you need a fast, on-chain slippage estimate for WETH/USDC trades on Uniswap v3 on Base before executing, especially for MEV bots, arbitrage strategies, or large institutional swaps where price impact is a key decision factor. Prefer this over spot-price-only endpoints when you need pool depth awareness, not just current price.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:05:30.550Z","isFirstParty":false,"canonicalSlug":"uniswap-v3-weth-usdc-pool-slippage-estimator-a3e596d9"}