{"uid":"cap_8m2StTfem6VTEJZ2_oGtw","slug":"karma-domains-domain-spam-score-checker-3b59cf24","name":"Karma.Domains Domain Spam Score Checker","description":"Find expired domain names with high traffic and strong SEO backlinks daily. Boost your revenue by searching our database of 13,000,000+ expired domains from auctions, backorders, and dropped lists—complete with rich metrics and domain age.","url":"https://api.karma.domains/v1/domains/checker/spam_score?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","example":"example.com"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"bl":0,"da":0,"rd":0,"ss":0,"domain":"example.com"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1.5","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":"$1.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZcWD4E7SZOEDZIr_xOj9w","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the spam score and related SEO metrics (backlink count, domain authority, referring domains) for a given domain name","exampleAgentPrompt":"Can you check the spam score and domain authority for oldnewspaper.com using Karma.Domains so I know if it's safe to buy?","exampleUseCases":[{"title":"Pre-purchase spam check for expired domain","prompt":"Before I bid on vintagecars.net at auction, can you pull its spam score and backlink data from Karma.Domains so I know if it's worth buying?"},{"title":"SEO agency domain vetting workflow","prompt":"I need to check whether techblog.org has a low spam score and decent domain authority — can you look it up on Karma.Domains?"},{"title":"Bulk shortlist filtering by spam risk","prompt":"I've shortlisted recipes.io as a potential domain purchase — can you check its spam score, domain authority, and referring domains on Karma.Domains before I commit?"}],"resultDescription":"Returns a JSON object with the domain name, spam score (ss), domain authority (da), backlink count (bl), and referring domains (rd) as numeric values for the queried domain.","failureModes":["Missing or invalid domain parameter returns an error","Non-existent or unrecognized domain may return all zeros for metrics","Rate limiting or payment failure (x402) blocks the request","Malformed domain string (e.g. missing TLD) may cause parsing errors"],"whenToPreferThis":"Use this endpoint when you need a quick, per-domain spam score and core SEO health metrics (DA, backlinks, referring domains) before purchasing or using an expired domain. It is best suited for single-domain lookups where spam risk assessment is the primary goal, rather than broad discovery or full traffic analytics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:41:00.111Z","isFirstParty":false,"canonicalSlug":"karma-domains-domain-spam-score-checker-3b59cf24"}