{"uid":"cap_p8CHYonGmpq8Fy7uafO1h","slug":"klymax402-email-deliverability-audit-44994fee","name":"klymax402 Email Deliverability Audit","description":"One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.","url":"https://klymax402.com/api/email-deliverability/api/audit","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"queryParams":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","description":"Domain to audit (e.g. example.com, gmail.com)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"mx":{},"spf":{},"dkim":{},"dmarc":{},"score":1,"domain":"example","issues":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.012","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":"$0.012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9fdgiZHqe1tabcFROqNMD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.012","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits a domain's email deliverability by checking MX, SPF, DKIM, and DMARC records and returning a health score with issues","exampleAgentPrompt":"Can you do a full email deliverability audit on sendgrid.com and tell me if their SPF, DKIM, and DMARC records are properly set up and what their score is?","exampleUseCases":[{"title":"Pre-campaign deliverability check","prompt":"Before I send out my newsletter, can you audit mycompany.com's email deliverability and flag any issues with the SPF, DKIM, or DMARC setup that might cause emails to land in spam?"},{"title":"Troubleshooting bounced emails","prompt":"My emails from acmecorp.com keep bouncing or going to junk — can you audit the email deliverability configuration for acmecorp.com and tell me what's misconfigured?"},{"title":"Vendor email infrastructure review","prompt":"I'm evaluating a vendor at vendormail.io — can you check their domain's email authentication records and give me a deliverability score so I know if their emails are likely to reach my inbox?"}],"resultDescription":"Returns a JSON object with the domain's MX, SPF, DKIM, and DMARC record details, a numeric deliverability score, the domain checked, and an array of identified issues or misconfigurations.","failureModes":["Invalid or non-existent domain returns error or empty record fields","Domain with no DNS records may return null values for MX/SPF/DKIM/DMARC","Network timeout if DNS lookup takes too long","Malformed domain string (e.g. including http://) may cause query failure"],"whenToPreferThis":"Use this endpoint when you need a quick, all-in-one email deliverability audit covering MX, SPF, DKIM, and DMARC in a single call, especially when no separate email security API key is available and you want a scored summary with issue detection. Ideal for agents that need to diagnose email problems or validate domain email health on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:47:59.246Z","isFirstParty":false}