POST/v1/seo/onpage/lighthouse

Lighthouse API

Full Google Lighthouse audit via API — performance, accessibility, best practices, and SEO scores with actionable diagnostics. From $0.05/call.

Trigger a Google Lighthouse audit for any URL and get back performance, accessibility, best practices, and SEO scores along with detailed diagnostics. No browser needed — fully server-side.

Full Docs Get API Key — Free $5 Credit $0.05 / call

Try it live

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

POST/v1/seo/onpage/lighthouseonpage-lighthouse$0.05/call

Response

Example response — hit "Send Request" to see a live result

{
  "ok": true,
  "data": {
    "url": "https://example.com",
    "scores": {
      "performance": 92,
      "accessibility": 98,
      "bestPractices": 95,
      "seo": 100
    },
    "coreWebVitals": {
      "lcp": 1.8,
      "fid": 12,
      "cls": 0.05
    },
    "diagnostics": [
      {
        "id": "render-blocking-resources",
        "title": "Eliminate render-blocking resources",
        "score": 0.7
      }
    ]
  }
}

Features

✓Performance, accessibility, best practices, and SEO scores

✓Core Web Vitals (LCP, FID, CLS) measurements

✓Detailed audit diagnostics and recommendations

✓Server-side execution — no browser required

✓Mobile and desktop device emulation

Use cases

Performance Monitoring

Schedule Lighthouse audits across your site to track Core Web Vitals and catch performance regressions before they impact rankings.

Accessibility Compliance

Automate accessibility checks across all pages to ensure WCAG compliance and identify issues programmatically.

Quick start

Copy this snippet and start making calls.

const res = await fetch('https://api.yepapi.com/v1/seo/onpage/lighthouse', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "url": "https://example.com"
  }),
});
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.”
Marcus T.
SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
Priya S.
Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Jake R.
Indie Hacker

Frequently asked questions

Trigger a Google Lighthouse audit for any URL and get back performance, accessibility, best practices, and SEO scores along with detailed diagnostics. No browser needed — fully server-side.

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/onpage/lighthouse. 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.

Get API Key — Free $5 Credit Read Docs

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