Backlink APIs APIs

World's largest backlink index via API

Access Ahrefs' industry-leading backlink database. The API returns referring domains, anchor text, link type, domain rating, URL rating, and first/last seen dates.

Domain Authority and backlink data via API

Query Moz's link index for Domain Authority, Page Authority, spam score, linking domains, and inbound link details. Trusted metrics for evaluating site credibility.

Trust Flow, Citation Flow, and backlink topology data

Majestic's unique Trust Flow and Citation Flow metrics distinguish link quality from quantity. The API exposes full backlink data, anchor text, and topical trust flow categories.

Real-time backlink data with built-in spam scoring

Retrieve fresh backlink data including referring domains, anchors, page metrics, and a built-in spam score. DataForSEO updates its index continuously for near-real-time accuracy.

Comprehensive backlink data from SEMrush's index

Query SEMrush's backlink database for referring domains, anchors, authority scores, and lost/new links. Includes toxic link identification for disavow workflows.

Backlink monitoring and email alerts via API

Linkody automatically monitors your backlinks and alerts you to new, lost, or broken links. The API lets you access this data for custom integrations and reporting workflows.

Free backlink analysis API for basic link research

A free API for basic backlink research. Returns referring domains, anchor text, and link influence scores. Good for budget-conscious teams or supplementary link data.