apio

Best Backlink Data APIs

Our data-driven picks, ranked from published pricing, compliance, and capability data — with the reasons shown. Compare all 6 →

Top pick: DataForSEO

We provide comprehensive SEO and digital marketing data solutions via API

Why it leads: transparent public pricing, self-serve signup, GDPR, webhooks, a sandbox.

DataForSEO profile →

Best for…

Best free tier
Moz API — has a genuine free tier
Most self-serve
DataForSEO — lets you sign up and get keys without sales
Strongest compliance
Ahrefs API — carries the most compliance attestations
Most capabilities
SE Ranking — exposes the broadest documented API surface

The shortlist

  1. DataForSEO

    We provide comprehensive SEO and digital marketing data solutions via API

    Strengths: transparent public pricing, self-serve signup, GDPR, webhooks.

  2. Ahrefs API

    With Ahrefs API, you can use data from your Ahrefs workspace to create custom integrations and automations.

    Strengths: transparent public pricing, self-serve signup, SOC 2 In progress, GDPR.

  3. Serpstat API

    The most cost-effective API SEO data provider

    Strengths: transparent public pricing, self-serve signup, GDPR, 51 documented actions.

  4. Semrush API

    Semrush API (Application Programming Interface) is a method of extracting raw Semrush data without manually logging into the platform.

    Strengths: transparent public pricing, self-serve signup, GDPR, PCI DSS.

  5. Moz API

    Moz API gives you the power to quickly create custom SEO tools, dashboards, and integrations — affordably and at scale.

    Strengths: transparent public pricing, a free tier, self-serve signup, 30 documented actions.

How we pick: ranking is computed from each API’s published, sourced fields — no reviews, no paid placement. See the full Backlink Data APIs directory and each profile for the underlying data and citations.