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.
Try it live
Fill in the fields and hit Run to see a real response.
{
"ok": true,
"data": [
{
"domain": "techcrunch.com",
"domainAuthority": 93,
"targets": {
"1": true,
"2": true
}
},
{
"domain": "producthunt.com",
"domainAuthority": 91,
"targets": {
"1": false,
"2": true
}
}
]
}Features
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);What developers say
“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
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.
Each API call costs $0.04 (+$0.006 per 100 rows). 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. $5 free credit on signup — no credit card required.
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