---
name: cors-checker
description: "CORS Header Checker (CORS Header Checker) via devops.majbase.com's free public API, no key required. Keywords: check cors headers, cross origin policy checker."
---

# CORS Header Checker

CORS Header Checker. Calls devops.majbase.com's free public API — no API key or authentication required.

## Endpoint

```
GET/POST https://devops.majbase.com/cors-checker/api
```

## Request / Response

```
API: GET or POST /cors-checker/api
  url=<string>       (required)
  origin=<string>     (optional, default 'https://cors-check.example')
  method=<string>     (optional, default 'GET' — used for the preflight simulation)
Returns {"url", "tested_origin", "status_code", "cors_enabled", "allow_origin",
"origin_allowed", "allow_credentials", "expose_headers", "preflight", "warnings"},
or {"error": "..."}.
```

## Example

```bash
curl -sS "https://devops.majbase.com/cors-checker/api?url=https://api.example.com/data&origin=https://myapp.example"
```

## Notes

- No API key or authentication required.
- Full interactive tool: https://devops.majbase.com/cors-checker/