{"uid":"cap_ZcfTopfOFaRTTNu28b33d","slug":"halowerk-marktwerk-slippage-estimator-3f77aa19","name":"HALOWERK marktwerk Slippage Estimator","description":"HALOWERK marktwerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.","url":"https://markt.netzhandwerker.de/slippage","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"side":{"enum":["buy","sell"],"type":"string","description":"buy consumes the ask side, sell the bid side."},"size":{"type":"number","description":"Order size, in the unit given by size_unit.","exclusiveMinimum":0},"venue":{"enum":["binance","coinbase","kraken","okx","bybit"],"type":"string","default":"binance","description":"Exchange whose book is used."},"symbol":{"type":"string","pattern":"^[A-Za-z0-9]{2,15}/[A-Za-z0-9]{2,15}$","description":"Trading pair as BASE/QUOTE, for example ETH/USDC."},"size_unit":{"enum":["base","quote"],"type":"string","default":"base","description":"base means size is in BASE, quote means size is in QUOTE."},"include_fees":{"type":"boolean","default":false,"description":"Adds the taker fee of the entry tier on top of the fill price."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4dY2YHEBUKg53Kzb5iStI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Estimates order slippage (and optionally taker fees) for a given trade size and direction on a specified crypto exchange's live order book","exampleAgentPrompt":"What's the estimated slippage for buying 5 ETH with USDC on Binance's order book, including taker fees?","exampleUseCases":[{"title":"Pre-trade slippage check for large buy","prompt":"I'm about to buy 100,000 USDC worth of BTC on Binance — can you estimate the slippage and effective fill price I should expect, including taker fees? Size is in quote currency."},{"title":"Sell-side market impact on Kraken","prompt":"How much slippage will I face if I sell 20 ETH on Kraken right now? I want to know the fill price without fees first."},{"title":"Cross-venue slippage comparison","prompt":"Estimate the slippage for buying 1 BTC on Coinbase vs OKX — base size of 1 BTC each, buy side, no fees — so I can pick the better venue."}],"resultDescription":"Returns the estimated fill price for the specified order, reflecting how far the execution price deviates from the best bid/ask due to order book depth (slippage). Optionally includes the taker fee for the entry tier added on top of the fill price, giving the all-in effective execution cost.","failureModes":["Invalid symbol format (not matching BASE/QUOTE pattern) returns a validation error","Unsupported venue name returns an enum validation error","Size of zero or negative returns exclusiveMinimum validation error","Order book data unavailable for the requested pair/venue at query time","Payment failure via x402 protocol (insufficient USDC balance or incorrect payment)","Rate limiting if too many requests are submitted in rapid succession"],"whenToPreferThis":"Use this endpoint when you need a real-time, order-book-aware slippage estimate for a specific crypto trade before execution — especially for large orders where market impact matters. It supports multiple top-tier venues (Binance, Coinbase, Kraken, OKX, Bybit) and can include taker fees for a fully loaded cost estimate, making it ideal for pre-trade analysis, routing decisions, and execution quality benchmarking.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:44:53.741Z","isFirstParty":false}