SEO Fundamentals

What Is a Domain Rating API and How Does It Work?

A domain rating API lets developers programmatically access authority-style scores for any domain. Learn what these metrics mean and how to use them in your workflows.

April 15, 20266 min readBy Basanta Sapkota

What Is a Domain Rating API?

A Domain Rating API is a programmatic interface that lets you query authority-style scores for any domain without manually visiting an SEO tool dashboard. Instead of copying metrics by hand, you send an HTTP GET request and receive clean JSON data in milliseconds.

Domain rating is an authority-style indicator — a numerical estimate that reflects the relative strength of a domain's backlink profile. It is typically expressed on a 0–100 scale where higher scores indicate stronger domains.

How Does It Work?

When you call the Basanta SEO API endpoint, you pass a url parameter with the domain or URL you want to look up:

GET https://seo.basantasapkota.com/api/seo?url=example.com

The API returns a simple JSON response:

json
{
  "domain_rating": 45,
  "ahrefs_rank": 320000,
  "url_rating": 12
}

Why Use a Domain Rating API?

Manual lookups are time-consuming. When you are qualifying 200 guest post targets, vetting 500 expired domains, or scoring a list of backlink prospects, doing this one-by-one is not scalable.

A Domain Rating API lets you:

  • **Automate bulk checks** in n8n, Zapier, or Python scripts
  • **Enrich CRM data** with domain authority before outreach
  • **Filter link prospects** programmatically based on thresholds
  • **Power internal tools** without relying on slow third-party dashboards

Key Metrics Explained

Domain Rating — An authority-style score (0–100) representing the estimated strength of a domain's backlink profile. Higher is generally stronger.

Ahrefs Rank — A rank-style indicator. A lower number suggests the domain is relatively stronger on a global scale.

URL Rating — A page-level strength indicator (0–100) for the specific URL submitted.

Important Disclaimer

These metrics are research and automation tools. They are not official scores from Google, Ahrefs, Moz, or any other platform. They should not be treated as guaranteed ranking factors.

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