{"uid":"cap_-caph0TrB_TipRm3-mXOw","slug":"x402-broker-slippage-estimator-8e977493","name":"X402-Broker Slippage Estimator","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.","url":"https://mcp-gateway.agentdiet.dev/v1/slippage-estimator?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","POST"],"type":"string"},"queryParams":{"type":"object","properties":{"token":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{},"status":"ok","roi_proof":{"compression_ratio_pct":91.4}}},"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_9_vQzJvrtg491F_0ODliA","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 slippage for HTTP-based API or token transactions routed through the X402-Broker MCP gateway","exampleAgentPrompt":"Before routing this GET request through the x402 broker with token 'usdc-base-v1', can you estimate the slippage I should expect and show me the compression ratio?","exampleUseCases":[{"title":"Pre-flight slippage check for token route","prompt":"I'm about to send a GET request through the x402 broker using token 'usdc-base-v1' — can you estimate the slippage first so I know if this route is efficient?"},{"title":"ROI validation before MCP server call","prompt":"Before my agent calls that MCP server endpoint via POST, estimate the slippage and give me the ROI proof so I can decide if it's worth the $0.01 fee."},{"title":"Comparing route efficiency for agent workflow","prompt":"I need to compare slippage on a GET vs POST route through the x402 broker for my token — can you run the slippage estimator for the GET method and tell me the compression ratio?"}],"resultDescription":"Returns a JSON object with a status field ('ok'), a data object containing slippage estimates, and an roi_proof object including a compression_ratio_pct value (e.g. 91.4%), indicating how efficiently the route compresses or settles the transaction.","failureModes":["Missing required 'input' object returns validation error","Invalid method value (not GET or POST) returns schema error","Unknown or malformed token parameter may return empty data object","Network or gateway timeout if broker is under load","Payment failure if USDC balance is insufficient for the $0.01 fee"],"whenToPreferThis":"Use this endpoint when you need to estimate slippage or verify route efficiency before committing to an x402-brokered API or MCP server call, especially when optimizing cost or validating ROI on USDC-settled transactions on Base. Prefer this over generic fee estimators when working within the X402-Broker ecosystem with its 31,000+ MCP server routes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:43:21.784Z","isFirstParty":false,"canonicalSlug":"x402-broker-slippage-estimator-8e977493"}