# Web Key Directory Checker
This tool verifies Web Key Directory (WKD) configuration for email addresses, checking both direct and advanced discovery methods. It validates policy files, CORS headers, key availability, and proper key association with the email address.
At least one Method is required to be set up for the WKD to work.
More Information on [how to set up WKD]({{< ref "/posts/WKD-setup/index.md" >}})
Direct Method Unknown
Key Location:Unknown
Key Available:Unknown
Key CORS Valid:Unknown
Key Type:Unknown
Fingerprint:Unknown
Email in Key:Unknown
Policy Available:Unknown
Policy Configuration Unknown
The WKD specification requires a policy file to be present (even if empty) to check for WKD support and advanced configuration properties.
Policy Location:Unknown
Policy CORS Valid:Unknown
Policy Compliant:Unknown
Advanced Method Unknown
Key Location:Unknown
Key Available:Unknown
Key CORS Valid:Unknown
Key Type:Unknown
Fingerprint:Unknown
Email in Key:Unknown
Policy Available:Unknown
Policy Configuration Unknown
The WKD specification requires a policy file to be present (even if empty) to check for WKD support and advanced configuration properties.
Policy Location:Unknown
Policy CORS Valid:Unknown
Policy Compliant:Unknown
Overall Status Unknown
Valid:Unknown
## NPM Library
This tool is powered by the [wkd-checker](https://www.npmjs.com/package/wkd-checker) npm library. You can use it in your own projects or run it via CLI. The JSON output below is identical to the library output.
### CLI Usage
```bash
npx wkd-checker test@example.com
```
### Library Usage
```javascript
const wkd = require('wkd-checker');
const email = 'test@example.com';
wkd.checkKey(email)
.then(result => {
console.log('WKD Result:', result);
console.log('Advanced:', result.advanced.valid);
console.log('Direct:', result.direct.valid);
})
wkd.getKey(email)
.then(key => {
console.log('Retrieved Key:\n', key);
})
.catch(err => {
console.error('Error retrieving key:', err);
});
```