API Security & CORS Header Auditor

Detect wildcard CORS vulnerabilities and harden public API endpoints — Audits API endpoints for wildcard origin leaks, credentials exposure, permissive methods, and missing security response headers (X-Content-Type-Options).

Up to 5 pages free. 5 free scans/day per visitor.

What this audit evaluates

CORS vulnerability check — identifies dangerous wildcard origins paired with credentials.

Method permission audit — detects overly permissive HTTP method declarations.

API header hardening — verifies nosniff and cache-control security headers.

Frequently Asked Questions

What does the API Security & CORS Header Auditor inspect?

API Security & CORS Header Auditor automatically crawls your website using a real headless browser to inspect: CORS vulnerability check — identifies dangerous wildcard origins paired with credentials. Method permission audit — detects overly permissive HTTP method declarations. API header hardening — verifies nosniff and cache-control security headers.

Who should run this Infrastructure & Mail Security audit?

Engineering leads, DevOps teams, SEO specialists, and product managers who need deterministic, evidence-backed inspection reports without generic AI hallucinations.

How does the NextCase browser audit engine work?

Our engine launches an isolated browser session, captures exact network requests, response headers, DOM snapshots, and console errors, and maps observable findings to actionable remediation steps.

What is included in the Free vs Paid report?

The free tier audits up to 5 pages instantly (5 free scans/day). Comprehensive full-site reports with deep evidence citations are available for $3.99 per audit.

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