{"uid":"cap_SLhsyRxI0dEqj-VNnYxFu","slug":"agentdiet-mx-check-email-validation-roi-proof-73df3f7a","name":"AgentDiet MX Check — Email Validation & ROI Proof","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://status.agentdiet.dev settling in USDC on Base.","url":"https://status.agentdiet.dev/v1/mx-check?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":{"email":{"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":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5ZJAtOmkIrBcBmGTUOZzy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an email address and returns a compression/ROI proof metric showing context distillation efficiency","exampleAgentPrompt":"Can you run an MX check on user@example.com to validate that email address and confirm it's reachable?","exampleUseCases":[{"title":"Pre-send email validation for outreach","prompt":"Before I send this campaign, can you validate whether contact@acmecorp.com is a real, reachable email address using an MX check?"},{"title":"Agent workflow email gating","prompt":"I want to make sure we only process leads with valid emails — can you run an MX check on leads@startup.io before we move them to the next step?"},{"title":"Validate email input from a web form","prompt":"A user just submitted john.doe@techfirm.co as their email on signup — can you verify that address is valid and deliverable before we create their account?"}],"resultDescription":"Returns a JSON object with a 'status' field ('ok' or error), a 'data' object with validation details, and a 'roi_proof' object containing a 'compression_ratio_pct' value (e.g. 91.4) indicating context distillation efficiency for the request.","failureModes":["Missing or malformed email query parameter returns an error status","Invalid domain with no MX records returns failed validation","Network timeout reaching the AgentDiet status node","Payment failure via x402/USDC settlement blocks the request","Unsupported HTTP method returns a schema validation error"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call ($0.005 USDC) email MX validation that also returns a compression ROI proof metric, particularly within agent-to-agent (A2A) or bot-to-agent (B2A) workflows on the Base blockchain using x402 payment protocol. Best for agentic pipelines that need deterministic email validation with micropayment settlement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:42:49.509Z","isFirstParty":false,"canonicalSlug":"agentdiet-mx-check-email-validation-roi-proof-73df3f7a"}