{"uid":"cap_bAsXsTKZ93jQ0yhbXLcEi","slug":"synthora-deliverability-e812c3de","name":"SYNTHORA Deliverability","description":"Audit a domain's email deliverability and sender reputation. Checks SPF, DKIM selectors, DMARC policy strength (reject/quarantine/none), BIMI, MX and PTR records, returning a spam score and prioritized fixes. Use it to assess inbox placement, email authentication and domain reputation before sending. Deterministic DNS-only, Ed25519-signed. 0.001 USDC on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<your Base address> (no payment); then \\0.001 USDC per call.","url":"https://deliverability.hergertsynthora.com/service?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","description":"Domain or email address to audit"}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"deliverability","result":{"mx":[],"spf":{},"dkim":{},"dmarc":{},"score":100,"domain":"example.com","verdict":"good","recommendations":[]}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_i80W2X5RCpfB_40Mos6H9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","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 SPF, DKIM, DMARC, BIMI, MX, and PTR records and returning a spam score with prioritized fixes.","exampleAgentPrompt":"Can you run a full email deliverability audit on sendgrid.com and tell me the spam score, whether DMARC is set to reject, and what I should fix first?","exampleUseCases":[{"title":"Pre-campaign sender reputation check","prompt":"Before I send out our newsletter tomorrow, can you audit deliverability.example.com and tell me if our SPF, DKIM, and DMARC are all properly configured and what our spam score looks like?"},{"title":"Diagnose emails landing in spam","prompt":"Our transactional emails from notifications.acme.com keep ending up in spam — can you check the full email authentication setup including MX, PTR, and DMARC policy and give me a list of things to fix?"},{"title":"Verify new domain email readiness","prompt":"I just set up email on startup.io and I want to make sure everything is configured correctly — can you audit the domain's deliverability and tell me if BIMI is set up and whether DMARC is at reject strength?"}],"resultDescription":"A JSON object containing the domain's MX records, SPF configuration, DKIM selector details, DMARC policy level (reject/quarantine/none), BIMI status, PTR records, a numeric spam score (0-100), an overall verdict (e.g. 'good'), and a prioritized list of actionable recommendations to improve deliverability.","failureModes":["Domain not found or non-existent DNS — returns error or empty record sets","Malformed domain input — validation error returned","DKIM selectors unavailable or not published — partial result with missing DKIM data","Timeout on DNS resolution for slow nameservers — may return incomplete results","Rate limit exceeded without wallet header — payment required response"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, all-in-one email authentication audit covering SPF, DKIM, DMARC, BIMI, MX, and PTR in a single DNS-only call with a spam score and prioritized remediation list. Prefer it over manual per-record DNS lookups when you want a verdicted, scored summary rather than raw DNS data. It is especially useful before email campaigns, when troubleshooting inbox placement, or when onboarding a new sending domain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:32:09.614Z","isFirstParty":false,"canonicalSlug":"synthora-deliverability-e812c3de"}