POST/v1/seo/backlinks/domain-intersection

Domain Intersection API

Find domains that link to competitors but not to you. Uncover link building opportunities your rivals already have from $0.05/call.

Compare up to 20 domains and discover which referring domains link to some targets but not others. The ultimate tool for competitive link gap analysis — find untapped backlink sources that already link to your rivals.

Full Docs Get API Key $0.05 / call

Try it live

Fill in the fields and hit Run to see a real response.

POST /v1/seo/backlinks/domain-intersection$0.05/call

Live testing

API Key

Targets (JSON)*

Limit

Response

Example response — hit "Run" to see a live result

{
  "ok": true,
  "data": [
    {
      "domain": "techcrunch.com",
      "domainAuthority": 93,
      "targets": {
        "1": true,
        "2": true
      }
    },
    {
      "domain": "producthunt.com",
      "domainAuthority": 91,
      "targets": {
        "1": false,
        "2": true
      }
    }
  ]
}

Features

✓Compare up to 20 domains simultaneously

✓Find referring domains unique to specific targets

✓Authority scores for each intersecting domain

✓Configurable result limit

Use cases

Competitive Link Gap

Discover high-authority sites linking to every competitor but not to you, creating a prioritized outreach list.

Link Building Strategy

Identify the most common link sources across your industry to understand which sites are most receptive to outreach.

Quick start

Copy this snippet and start making calls.

const res = await fetch('https://api.yepapi.com/v1/seo/backlinks/domain-intersection', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "targets": {
      "1": "example.com",
      "2": "competitor.com"
    },
    "limit": 100
  }),
});
const data = await res.json();
console.log(data);

Why YepAPI is cheaper

No monthly minimums. No enterprise plans. Just pay per call.

Provider	Cost / call	Catch
YepAPI	$0.05	No minimum. Pay as you go.
Ahrefs API	$0.25	$999/mo plan
Semrush API	$0.30	Enterprise plan

Frequently asked questions

Each API call costs $0.05. No monthly minimums or subscriptions — you only pay for what you use.

Sign up for a free API key, then send a POST request to /v1/seo/backlinks/domain-intersection. Check the code example above for a ready-to-use snippet in JavaScript, cURL, or Python.

YepAPI bundles SEO, AI, and web scraping APIs under one key with no monthly minimums. You get lower per-call pricing, a unified dashboard, and one billing account instead of managing multiple providers.

Ready to integrate?

Get your API key and start making calls in 30 seconds. No credit card required.

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