{"uid":"cap_fNbbYcsRnB6iK7y8AcqpF","slug":"x402-broker-usdc-quote-audit-1a926288","name":"X402-BROKER USDC Quote Audit","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/usdc-quote-audit?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":{"url":{"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_b3e7SusQF4aTNvWXXXNba","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":"Audits and retrieves a USDC payment quote for a given HTTP endpoint, returning ROI/compression proof data for x402 micropayment routing decisions.","exampleAgentPrompt":"Before I pay to call that MCP server endpoint, can you audit the USDC quote for a GET request to https://example-api.com/data and show me the ROI proof and compression ratio?","exampleUseCases":[{"title":"Pre-flight micropayment cost check","prompt":"I'm about to route an agent call through the x402 broker — can you pull the USDC quote audit for a GET request to https://api.somemcp.com/search so I can see the ROI proof before committing the payment?"},{"title":"Verify compression efficiency of gateway route","prompt":"Can you run a quote audit on a POST request to https://mcp-gateway.agentdiet.dev/v1/run and tell me what the compression ratio looks like in the ROI proof?"},{"title":"Compare payment quote before A2A delegation","prompt":"Before my agent delegates a task to another agent via HTTP GET at https://agent.example.com/task, fetch the USDC quote audit so I can verify the cost and ROI data."}],"resultDescription":"Returns a JSON object with a status field ('ok'), a data object containing quote details, and an roi_proof object that includes a compression_ratio_pct value (e.g. 91.4%) indicating the efficiency of routing through the broker gateway.","failureModes":["Missing required 'input' object returns validation error","Invalid HTTP method (not GET or POST) returns enum error","Malformed or unreachable target URL may return empty data or error status","Payment not settled in USDC on Base may prevent access (402 response)","Schema mismatch on input type (not 'http') causes rejection"],"whenToPreferThis":"Use this endpoint when an agent needs to inspect or audit the USDC micropayment quote and ROI proof for a specific HTTP endpoint before committing to an x402 payment, especially when optimizing cost efficiency across many MCP server or A2A agent calls routed through the AgentDiet broker.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:44:07.082Z","isFirstParty":false,"canonicalSlug":"x402-broker-usdc-quote-audit-1a926288"}