{"uid":"cap_L7WMJbBUOtPoD1Iz9aTLG","slug":"agentdiet-x402-prompt-firewall-audit-78334c6f","name":"AgentDiet x402 Prompt Firewall Audit","description":"15-App Autonomous Business-to-Agent (B2A) API Hub & MCP Suite. Supports Web Distillation, On-Chain Risk, DEX Token Intelligence, B2B Lead Enrichment, Domain OSINT, Email Verification, SEC Filings, GitHub Audits, Prompt Firewall, and native HTTP 402 (x402 Base USDC).","url":"https://prompt-guard.agentdiet.dev/v1/x402-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"},{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MDhGjdroOZmrj8710dXee","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null},{"uid":"pm_OphKtfMMqgRT7Tc9H6CdJ","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 an HTTP URL through a prompt firewall and returns a distilled, compressed intelligence payload with ROI compression proof via x402 micropayment.","exampleAgentPrompt":"Can you run a prompt firewall audit on https://example.com/api/data using a GET request and tell me if the content is safe for my agent to consume?","exampleUseCases":[{"title":"Pre-call agent safety check","prompt":"Before my agent calls https://partner-api.io/v1/offers, can you audit that URL with a GET to make sure there's no prompt injection or adversarial content hiding in the response?"},{"title":"Distilling third-party web content","prompt":"Fetch and distill the content at https://news-site.com/article/crypto-report using a GET request — I want a compressed intelligence summary my agent can act on quickly."},{"title":"B2A compliance scan before integration","prompt":"I'm integrating a new B2B data feed at https://vendor.io/feed?type=leads — can you audit it via GET and tell me the compression ratio and whether it passes the prompt firewall?"}],"resultDescription":"Returns a JSON object with a status field ('ok'), a data object containing the distilled audit results, and an roi_proof object that includes a compression_ratio_pct value (e.g. 91.4%) indicating how much the content was compressed relative to the source.","failureModes":["Invalid or unreachable URL returns an error status","Missing required 'type' or 'method' fields causes a 400 validation error","Payment not fulfilled via x402 returns HTTP 402 Payment Required","URL points to a non-HTTP resource and is rejected","Rate limiting or quota exceeded returns an error response"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to safely audit or pre-screen a URL for prompt injection, adversarial content, or B2A compliance before consuming its output — especially when you also want a compressed, distilled intelligence payload rather than raw HTML. Prefer it over generic scrapers when agent safety and prompt firewall validation are the primary concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:30:16.911Z","isFirstParty":false,"canonicalSlug":"agentdiet-x402-prompt-firewall-audit-78334c6f"}