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 $0.05 / call

Try it live

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

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

Live testing

API Key

URL*

Response

Example response — hit "Run" 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);

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.
PageSpeed API	$0.00	Heavy rate limits
DataForSEO	$0.08	$500/mo minimum
Semrush API	$0.15	Enterprise plan

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. No credit card required.

Get Started Read Docs

More seo apis endpoints

Keywords

$0.15

Keyword research API with search volume, CPC, difficulty, competition, and 12-month trends. Up to 100 keywords per request from $0.15/call.

POST /v1/seo/keywords

Keyword Ideas

$0.03

Generate hundreds of keyword ideas from any seed keyword with volume, CPC, and difficulty scores. Content planning and topic expansion from $0.03/call.

POST /v1/seo/keywords/ideas

Related Keywords