{"uid":"cap_Lpf1SMp8Ol_hwFuVPO5wE","slug":"agentdiet-x402-verifier-a2a-mcp-http-402-sla-compliance-auditor-ab241575","name":"AgentDiet x402 Verifier — A2A/MCP/HTTP 402 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://agentdiet.dev/v1/x402-verifier)","url":"https://agentdiet.dev/v1/x402-verifier?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":["x402"],"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":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"},{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3Rz6Uvr6cAjA1bdWx8hxl","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null},{"uid":"pm_h8208unjvpefdb4gWSFhq","protocol":"mpp","methodType":"crypto","chain":"tempo","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 any remote agent, MCP, or HTTP endpoint for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers.","exampleAgentPrompt":"Can you audit https://myagent.example.com/api using a GET request and tell me if it's x402-compliant — specifically check its JSON-RPC compliance, latency SLA, and HTTP 402 settlement headers?","exampleUseCases":[{"title":"Verify agent before marketplace listing","prompt":"Before I list my agent on a marketplace, can you audit https://mybot.example.com/v1/agent via GET and tell me if it passes x402 compliance — JSON-RPC, OpenAPI schema, and 402 payment headers all included?"},{"title":"Debug failing x402 payment headers","prompt":"My MCP server at https://mcp.myplatform.io/rpc isn't receiving payments properly — can you audit it with a GET request and show me exactly which HTTP 402 settlement headers are missing or wrong?"},{"title":"Benchmark latency SLA of third-party agent","prompt":"I'm evaluating a third-party agent at https://vendor-agent.io/api/v2 for integration — can you run an x402 compliance audit on it via GET and report on its latency SLA and JSON-RPC conformance?"}],"resultDescription":"Returns an audit report covering JSON-RPC compliance status, latency SLA measurement, OpenAPI schema validation results, and HTTP 402 payment settlement header inspection for the target URL — indicating which checks passed, failed, or have warnings.","failureModes":["Target URL unreachable or returns network error","Target URL does not implement JSON-RPC at all, producing incomplete audit","URL missing or malformed in query parameters","Target endpoint blocks automated audit requests (rate limiting or auth)","HTTP 402 headers absent entirely, resulting in partial audit with compliance failures"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an AI agent, MCP server, or HTTP API endpoint properly implements the x402 payment protocol, JSON-RPC spec, and latency SLAs — especially before integrating, listing, or going live with an agent service. Prefer it over manual inspection or generic HTTP checkers because it specifically understands x402 settlement headers and agent-layer compliance requirements.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:48:20.841Z","isFirstParty":false,"canonicalSlug":"agentdiet-x402-verifier-a2a-mcp-http-402-sla-compliance-auditor-ab241575"}