{"uid":"cap_np1-AZuXB_VlNTYl0wf25","slug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-08877596","name":"A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor","description":"Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement headers. (Live x402 v2, IETF MPP & MCP endpoint at https://serp-extract.agentdiet.dev/v1/paywall-check)","url":"https://serp-extract.agentdiet.dev/v1/paywall-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","minLength":1,"description":"Target A2A, MCP, or x402 service URL to audit for protocol compliance"},"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.01","displayCostAsset":"USD","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":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cn5Fx8QNWwoA3_Q5ob04J","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote agent, MCP, or x402 URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://my-agent.example.com/mcp for JSON-RPC and HTTP 402 compliance, check its latency SLA, and tell me if the OpenAPI schema looks valid?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you audit https://staging.mytools.dev/mcp to confirm it's fully JSON-RPC compliant, passes latency SLA, and has a valid OpenAPI schema?"},{"title":"x402 paywall header verification","prompt":"I set up an HTTP 402 paywall on https://api.myservice.io/v1/data — can you check whether the x402 settlement headers are correct and the endpoint is properly configured for agent payments?"},{"title":"Third-party agent endpoint health audit","prompt":"I'm about to integrate a vendor's A2A agent at https://partner.agentco.ai/a2a — can you audit it for protocol compliance, SLA latency, and any issues with its 402 payment headers before I wire it into my pipeline?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC conformance, measured latency versus SLA thresholds, OpenAPI schema validity findings, and HTTP 402 / x402 settlement header presence and correctness for the audited URL","failureModes":["Target URL is unreachable or returns a non-HTTP response — audit fails with connectivity error","Target URL does not implement JSON-RPC or OpenAPI — compliance fields return not-applicable or failed","HTTP 402 headers absent on a supposed x402 endpoint — flagged as non-compliant","Latency exceeds measurable timeout — SLA result returned as failed or timeout","Malformed or missing URL parameter — request rejected with validation error"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402-monetized API endpoint meets protocol standards before integration — especially when you need simultaneous checks across JSON-RPC compliance, OpenAPI schema validity, latency SLA, and HTTP 402 payment header correctness in a single call rather than running separate tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:58.896Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-100ccc18"}