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Free • No Sign-Up Needed

The SEO API for Developers

Programmatically audit websites, validate schemas, and monitor Core Web Vitals. Fast, free, and no API key required.

JSON Response
12345
200 OK
{
  "score": 92,
  "audit": {
    "status": "pass",
    "vitals": "healthy"
  }
}
API Capabilities

Everything You Need, Programmatically

Full coverage of our audit engine exposed via clean REST endpoints — no API key required.

Full Site Audit

POST /audit — crawl up to 10k pages, get meta, schema, links, and performance data in one JSON payload.

Page Speed Insights

GET /speed — Lighthouse-based Core Web Vitals with lab and field data, plus actionable recommendations.

Schema Validation

POST /schema/validate — support for JSON‑LD, Microdata, RDFa. Validate against Schema.org with precise error messages.

Broken Link Spider

POST /links/check — crawl internal and external links, detect 404s, 500s, and redirect chains.

Webhooks

Receive real-time notifications when audits complete. Integrate with Slack, Teams, or custom endpoints.

SDKs & Libraries

Official SDKs for JavaScript, Python, PHP, and Ruby. Community-maintained packages for Go and Java.

Quickstart

Start Auditing in 3 Lines of Code

No API key required. Just send a request to our public endpoint.

cURL
curl -X POST https://api.zyptora.com/v2/audit \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com", "max_pages": 100}'

No authentication required for basic usage.

JavaScript SDK
import { Zyptora } from '@zyptora/sdk';

const zyptora = new Zyptora();

const report = await zyptora.audit('https://example.com', {
  maxPages: 100,
  includePerformance: true
});

console.log(report.score);
Integrations

Works with Your Stack

SLACK GITHUB JIRA ZAPIER CIRCLECI DATADOG
Testimonials

Trusted by Developers

The fact that Zyptora's API is completely free and requires no key is a game‑changer for prototyping. I embedded it into our CI in minutes.

Mike R.
Mike R.
Senior Engineer @ TechCo

The SDK is a joy to use. I've built internal monitoring dashboards that alert us on schema errors — all without spending a cent.

Sarah K.
Sarah K.
DevOps Lead @ Cloudify
FAQ

Frequently Asked Questions

Find answers to the most common questions about this tool.

Yes. This tool is 100% free to use. There are no hidden charges, subscriptions, or premium plans.
No. Zyptora does not require login or registration. Simply open the tool, enter your URL, and get instant results.
Yes. Every Zyptora tool is fully responsive and works smoothly on desktop, tablet, and mobile devices.
No. We do not permanently store the URLs or analysis results you submit. Your privacy is important to us.
Zyptora supports all modern browsers including Chrome, Edge, Firefox, Safari, and Brave for the best experience.