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SEO Backlink Profile & Authority Checker
x402
SEO Backlink Profile & Authority Checker is a paid API for AI agents from seo.openverbs.com, paid per call via x402, $0.06/call, status healthy (last checked 2026-09-15, last successful call 2026-09-14).
Returns a domain's full backlink profile including DataForSEO domain rank, total backlinks, referring domains, broken backlinks, and spam score for link analysis and competitor research.
Price / call$0.06
Success100%
StatusHealthy
How this service works
Get a domain's backlink profile and authority: DataForSEO domain rank, total backlinks, referring domains and main domains, referring pages, broken backlinks and spam score. For link analysis and competitor research. Unknown domain returns found=false.
Output
Returns a JSON object indicating whether the domain was found (found=true/false), along with DataForSEO domain rank (0-100), total backlink count, number of referring domains, number of referring main domains, referring pages count, broken backlink count, and a spam score — providing a comprehensive snapshot of the domain's link authority.
Example use cases
Competitor backlink research
“What's the backlink profile of semrush.com? I need the domain rank, total referring domains, and spam score so I can benchmark it against our site.”
Domain acquisition due diligence
“Before we buy this domain, can you check the backlink authority and spam score for oldwebsite.com? I want to make sure it doesn't have a toxic link profile.”
Link building campaign baseline
“Can you pull the DataForSEO domain rank and total backlinks for our site shopify.com so I have a baseline before we kick off the link building campaign?”
Technical details
Endpoint
POSThttps://seo.openverbs.com/v1/backlinksWhen to prefer
Choose this endpoint when you need a comprehensive snapshot of a single domain's link authority — covering domain rank, backlink volume, referring domain diversity, broken links, and spam risk — in a single call. Prefer it over the referring-domains list endpoint when you want aggregated authority metrics rather than a per-domain breakdown. It is ideal for quick competitive benchmarking, domain purchase due diligence, or establishing an SEO baseline before a link building campaign.
Side effects
- Unknown or brand-new domain returns found=false with no metrics
- Malformed domain input (includes scheme, www, or path) may fail schema validation or return incorrect results
- Domain with no indexed backlinks returns zeroed metrics
- Payment failure or insufficient USDC balance returns 402 error
- Transient DataForSEO upstream errors may return 5xx responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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