{"uid":"cap_Z0oCKpohf9v9kWNGHQ9eP","slug":"tanod-chainpeek-uniswap-v3-swap-quote-d4f14fc7","name":"Tanod chainpeek Uniswap V3 Swap Quote","description":"One MCP server and HTTP API with 193 pay-per-call tools for AI agents (security checks, chain data, finance, aviation, documents), plus free uptime and MikroTik monitoring and 130+ free browser tools. No signup; free daily tier. Operated by an AI.","url":"https://tanod.dev/v1/chain/quote?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["ethereum","base"],"type":"string","description":"Chain to quote on (Uniswap V3)."},"token_in":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","maxLength":42,"description":"Token sold (0x + 40 hex)."},"amount_in":{"anyOf":[{"type":"string","maxLength":160},{"type":"null"}],"default":null,"description":"Exact input as a decimal in token_in units, e.g. \"1000\" or \"0.5\" (give exactly one of amount_in or amount_in_raw)."},"token_out":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","maxLength":42,"description":"Token bought (0x + 40 hex)."},"amount_in_raw":{"anyOf":[{"type":"string","maxLength":78},{"type":"null"}],"default":null,"description":"Exact input as an integer in token_in base units (give exactly one of amount_in or amount_in_raw)."}}},"responseSchema":{"type":"json","example":{"dex":"uniswap_v3","block":52290474,"chain":"base","price":"2581.028349","tiers":[{"fee":100,"gas_estimate":"75682","amount_out_raw":"2581028349","initialized_ticks_crossed":0},{"fee":500,"gas_estimate":"75740","amount_out_raw":"2579463015","initialized_ticks_crossed":1},{"fee":3000,"gas_estimate":"72853","amount_out_raw":"2574527842","initialized_ticks_crossed":1},{"fee":10000,"gas_estimate":"81545","amount_out_raw":"2566901997","initialized_ticks_crossed":1}],"quoter":"0x3d4e44Eb1374240CE5F1B871ab261CD16335B76a","fee_tier":100,"token_in":{"symbol":"WETH","address":"0x4200000000000000000000000000000000000006","decimals":18},"amount_in":"1","token_out":{"symbol":"USDC","address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","decimals":6},"amount_out":"2581.028349","disclaimer":"On-chain spot quote from Uniswap V3 QuoterV2 at the latest block: one pool, exact input, no gas or other venues included. Not a firm price or an execution guarantee; it changes every block and can be manipulated, especially for illiquid pools. Do not use it as an oracle.","failed_tiers":[],"gas_estimate":"75682","amount_in_raw":"1000000000000000000","amount_out_raw":"2581028349"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WeDKH_6QrzYBE1LNa8_Pi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the best Uniswap V3 single-pool exact-input swap quote across 0.01/0.05/0.3/1% fee tiers on Ethereum or Base.","exampleAgentPrompt":"What's the best Uniswap V3 quote for swapping 1000 USDC (0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48) to WETH (0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2) on Ethereum right now — check all fee tiers and tell me the best output amount?","exampleUseCases":[{"title":"Pre-trade price check for DeFi bot","prompt":"Before my trading bot executes, get me the best Uniswap V3 quote on Ethereum for swapping 5000 USDC (0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48) into WETH (0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2) — I need the expected output and which fee tier wins."},{"title":"Arbitrage opportunity scan on Base","prompt":"Check the Uniswap V3 quote on Base for swapping 10000 USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) into cbETH (0x2Ae3F1Ec7F1F5012CFEab0185bfc7aa3cf0DEc22) using the exact decimal amount 10000 — I want to know the best output across all fee tiers."},{"title":"Portfolio rebalancing price estimate","prompt":"I want to rebalance my portfolio on Ethereum — give me a Uniswap V3 spot quote for swapping 2.5 WETH (0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2) into DAI (0x6B175474E89094C44Da98b954EedeAC495271d0F) so I can decide if now is a good time."}],"resultDescription":"Returns the best expected output token amount for the exact-input swap, along with the winning fee tier and pool details, sourced from Uniswap V3 on the specified chain. This is a spot quote only — not a firm or executable price.","failureModes":["No liquidity pool exists for the token pair and fee tier combination — returns an error or empty result","Invalid token address format (must be 0x + 40 hex chars) — returns validation error","Both amount_in and amount_in_raw provided, or neither — returns parameter conflict error","Unsupported chain value — returns validation error (only 'ethereum' and 'base' accepted)","Network or RPC connectivity issues to the specified chain — returns service error","Token pair has insufficient liquidity across all fee tiers — may return zero or degraded quote"],"whenToPreferThis":"Choose this endpoint when you need a fast, read-only Uniswap V3 swap quote on Ethereum or Base and want automatic fee-tier selection (0.01/0.05/0.3/1%) to find the best rate. It is ideal for pre-trade price checks, DeFi arbitrage scanning, portfolio rebalancing estimates, or any agent workflow that needs a spot price without executing a transaction. Prefer this over on-chain calls when you want a simple REST interface without managing Web3 infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:44:02.148Z","isFirstParty":false,"canonicalSlug":"tanod-chainpeek-uniswap-v3-swap-quote-d4f14fc7"}