{"uid":"cap_QmGFoUk_cX5ogXR9eESR9","slug":"email-validator-api-via-x402-broker-555a65ff","name":"Email Validator API (via X402-BROKER)","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.","url":"https://mcp-gateway.agentdiet.dev/v1/email-validator?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_3NJbQ920zyiKt8-KdiIe1","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 structured validation results, settling payment in USDC on Base via the x402 protocol.","exampleAgentPrompt":"Can you check if 'john.doe@example.com' is a valid, deliverable email address?","exampleUseCases":[{"title":"Pre-send email validation for outreach","prompt":"Before I send this cold email campaign, can you validate 'prospect@startupxyz.io' to make sure it's a real, deliverable address?"},{"title":"User registration email check","prompt":"Someone just signed up with the email 'user123@tempmail.org' — can you validate it to see if it's a legitimate address or a throwaway?"},{"title":"CRM data cleanup","prompt":"I have a contact in my CRM with the email 'sarah.jones@oldcompany.net' — can you verify whether that email address is still valid?"}],"resultDescription":"Returns a JSON object with a 'status' field ('ok' on success) and a 'data' object containing the validation result for the submitted email address. Also includes a 'roi_proof' object with a compression_ratio_pct metric.","failureModes":["Missing 'email' query parameter — returns error or empty data","Invalid email format passed as input — may return invalid/false validation result","Payment failure via x402/USDC — 402 Payment Required response","Gateway timeout or upstream service unavailability — 5xx error","Unsupported HTTP method — only GET and POST accepted"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-use, agent-native email validation call settling in USDC via the x402 protocol, especially within an agentic or MCP workflow on Base. It is well-suited for one-off or low-volume email checks where you want to avoid subscription-based email validation SaaS. Prefer alternatives (e.g. ZeroBounce, NeverBounce) for high-volume bulk validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:44:28.463Z","isFirstParty":false,"canonicalSlug":"email-validator-api-via-x402-broker-555a65ff"}