{"uid":"cap_6WZEOkjXH_349HMAT_-Aa","slug":"shopify-spy-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-a87dbf1b","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://shopify-spy.agentdiet.dev/v1/paywall-check)","url":"https://shopify-spy.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"}}},"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_hGWlRDEfdrRAyqVsQ3nSf","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"shopify-spy.agentdiet.dev","brandSlug":"shopify-spy-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-spy.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any remote agent, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema presence, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://myagent.example.com/rpc and tell me if it's JSON-RPC compliant, whether its latency meets SLA, and whether it has proper HTTP 402 payment headers?","exampleUseCases":[{"title":"Validate new MCP server before launch","prompt":"Before I go live, can you run a compliance audit on https://api.mymcp.dev/mcp and tell me if it passes JSON-RPC spec, has an OpenAPI schema, and handles HTTP 402 settlement headers correctly?"},{"title":"Debug x402 payment header issues","prompt":"My x402 paywall endpoint at https://payments.myagent.io/v1/chat isn't being recognized by clients — can you audit it and check whether the HTTP 402 headers are set up to spec?"},{"title":"SLA spot-check for production agent","prompt":"Can you do a latency and protocol compliance check on https://prod.agentservice.dev/a2a and report back on whether it's meeting SLA and is fully A2A compliant?"}],"resultDescription":"Returns a structured audit report covering: JSON-RPC protocol compliance status, measured latency against SLA thresholds, presence and validity of OpenAPI schema, and correctness of HTTP 402 settlement headers — giving a pass/fail view of the target endpoint's readiness","failureModes":["Target URL is unreachable or times out — returns connectivity error","Target URL returns non-JSON or malformed response — compliance check fails","Missing or malformed HTTP 402 headers — flagged as non-compliant","Target URL has no OpenAPI schema — schema check returns absent","URL parameter not provided — returns validation error"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that an A2A, MCP, or x402-enabled service URL is protocol-compliant and production-ready — especially before integrating a third-party agent service, debugging payment header issues, or running SLA spot-checks on deployed agent infrastructure. It is purpose-built for agent protocol compliance auditing, not generic HTTP health checks or uptime monitoring.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:39:35.016Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-03f404af"}