{"uid":"cap_WpX86lZBFrSXhLR5_n24N","slug":"strale-backlink-check-api-6d89e15f","name":"Strale Backlink Check API","description":"Check backlinks for a domain via CommonCrawl and Google search. Returns linking domains, anchor text, dofollow/nofollow counts.","url":"https://api.strale.io/x402/v2/backlink-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string"}}},"responseSchema":{"backlinks":{"type":"array"},"top_anchors":{"type":"array"},"total_backlinks":{"type":"number"},"referring_domains_count":{"type":"number"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.162","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":"$0.162/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.162","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.162","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GTHH1Sc-dj8B32R2lkZ0j","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.162","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given domain has backlinks, returning link authority and referral data with a cryptographic audit record.","exampleAgentPrompt":"Can you check how many backlinks are pointing to example.com and tell me which domains are linking to it?","exampleUseCases":[{"title":"SEO audit for a client site","prompt":"Can you run a backlink check on myclientsite.com? I need to see which domains are linking to it before I put together their SEO report."},{"title":"Competitor backlink research","prompt":"Check the backlinks for competitor.com — I want to know how many sites are linking to them so I can benchmark against my own domain."},{"title":"Verify link-building campaign results","prompt":"We ran a link-building campaign last month targeting brandnewdomain.io — can you check if any backlinks have shown up yet?"}],"resultDescription":"Returns backlink data for the specified domain including referring domain count, link sources, and authority signals, along with a cryptographic audit record containing a chain hash for verifiability.","failureModes":["Domain not found or has no indexed backlinks — returns empty result set","Invalid domain format — returns validation error","Rate limit exceeded — returns 429 status","Service unavailable — returns 5xx error","Insufficient USDC balance for x402 micropayment — payment fails before request is processed"],"whenToPreferThis":"Choose this endpoint when you need a quick, auditable per-domain backlink check with cryptographic proof of the result — especially in automated agent workflows where auditability and pay-per-call micropayment pricing are preferred over subscription-based SEO tools. Ideal for one-off domain checks rather than bulk crawls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:44:18.196Z","isFirstParty":false,"canonicalSlug":"strale-backlink-check-api-6d89e15f"}