{"uid":"cap_Nc_ZqDIvXN8FZ7BcWFj3K","slug":"karma-domains-domain-authority-checker-49a859ce","name":"Karma.Domains Domain Authority 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/domain_authority?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":{"domain":"example.com","metrics":{}}},"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_UhSB2j2Dkysg7qjeV0Owm","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 domain authority metrics and SEO backlink data for a given domain name from the Karma.Domains expired domain database","exampleAgentPrompt":"Can you check the domain authority and SEO metrics for 'techblog.com' on Karma.Domains so I can see if it's worth buying as an expired domain?","exampleUseCases":[{"title":"Expired domain quality evaluation","prompt":"Before I bid on this expired domain 'vintagerecords.com', can you pull its domain authority and backlink metrics from Karma.Domains so I know if it's worth the investment?"},{"title":"SEO campaign domain sourcing","prompt":"I need to find a dropped domain with strong authority for a new niche site — can you check the domain authority score for 'healthtipsweekly.com' on Karma.Domains?"},{"title":"Competitor domain benchmarking","prompt":"Can you look up the domain authority and SEO metrics for 'marketingnews.net' on Karma.Domains so I can benchmark it against domains I'm considering buying?"}],"resultDescription":"Returns a JSON object containing the queried domain name and a metrics object with domain authority data, SEO backlink information, traffic indicators, and domain age pulled from Karma.Domains' database of 13M+ expired domains.","failureModes":["Invalid or malformed domain name returns an error response","Domain not found in the Karma.Domains database may return empty metrics","Payment failure (insufficient USDC) blocks the request with a 402 status","Missing required 'domain' query parameter returns a validation error","Rate limiting may occur for high-frequency callers"],"whenToPreferThis":"Choose this endpoint when you need fast, per-domain authority and SEO metrics lookups — especially for evaluating expired, dropped, or auctioned domains before purchase. It is ideal for agents automating domain acquisition decisions, building SEO-focused niche sites, or vetting domains for authority-building link networks. Prefer this over generic WHOIS lookups when you specifically need SEO authority scores and backlink quality data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:40:40.904Z","isFirstParty":false,"canonicalSlug":"karma-domains-domain-authority-checker-49a859ce"}