{"uid":"cap_V6UfyMTH5HkQqUVbbkwkN","slug":"x402-broker-402-compliance-check-108af371","name":"X402-BROKER 402 Compliance Check","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/v1/402-compliance?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_OH70Z3Dj93_PhJ0b_XUef","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":"Checks x402/L402 payment compliance and returns execution metadata for a given HTTP endpoint URL via the X402-BROKER gateway","exampleAgentPrompt":"Check whether this URL is x402-compliant and give me the payment compliance status and ROI proof: https://some-mcp-server.example.com/api/tool","exampleUseCases":[{"title":"Verify MCP server payment compliance","prompt":"Before I route my agent to call that MCP tool, can you check if https://tools.example-mcp.com/search is x402 compliant and tell me what the compliance status looks like?"},{"title":"Validate x402 support before agent payment","prompt":"I want to make sure https://api.agentservice.io/data supports x402 USDC payments on Base before my agent tries to call it — can you run a compliance check on it?"},{"title":"Inspect A2A endpoint protocol readiness","prompt":"Can you verify that https://agent.marketplace.dev/v1/execute supports the L402 or x402 payment protocol and show me the compliance proof?"}],"resultDescription":"Returns a JSON object with a status field ('ok' or error), a data payload containing the compliance result for the queried endpoint, and an roi_proof object that includes a compression_ratio_pct metric indicating how efficiently the gateway processed the request.","failureModes":["Missing or invalid 'url' query parameter returns an error status","Target URL not reachable or not x402-registered returns a non-compliant result","Invalid HTTP method (not GET or POST) causes schema validation failure","Input type not set to 'http' causes request rejection","Payment of $0.01 USDC not settled on Base causes 402 response before execution"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify whether a specific URL/API endpoint supports the x402, L402, or MCP payment protocol before routing an agent call or executing a micropayment. It is the right choice when you want a deterministic compliance check with proof-of-processing metadata (ROI/compression ratio), and when you are operating within the X402-BROKER ecosystem settling in USDC on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:44:22.744Z","isFirstParty":false,"canonicalSlug":"x402-broker-402-compliance-check-108af371"}