# Hyperflow Purge Cache

Purges the global Cloudflare cache for a site.  This works with our caching-proxy configuration and is intended to be automatically triggered by Webflow's site publish Webhook. 

## R\&D 

* Individual CMS item publication and cache purging
* Plus Webflow\.js etc. 

## Configuration

Learn more about [Hyperflow configuration](https://hyperflow.sygnal.com/hyperspeed/additional-notes/broken-reference) here.

### KV Store

Service Name: `purge-cache` 

```json
{
  "version": 1, 
  "zoneId": "28fb418cb8b59d549384f34fe0decd07" 
}
```

### Secrets

Requires a Cloudflare API key, which has purge cache permissions on the desired zone; 

Account > Workers & Pages > cloudflare-clear-cache > Settings > Variables

Add CLOUDFLARE\_API\_TOKEN (value) Encrypted 

## Deployment

### Worker Routes

Variable. 

We recommend a route like;

* `*DOMAIN/_purge`
* `*DOMAIN/_hf/purge-cache`
* `*hf.DOMAIN/purge-cache`

### Webflow API Webhook

Get your SiteID

<https://developers.webflow.com/reference/list-sites>

Create your Webhook

<https://developers.webflow.com/reference/create-webhook>

* site\_id = your site ID, above
* triggerType: `site_publish` - Sends a [site\_publish](https://developers.webflow.com/reference/create-webhook#site_publish) event
* url - your URL

## Future

<https://developers.cloudflare.com/workers/learning/how-the-cache-works/>

<https://developers.cloudflare.com/workers/examples/cache-api/>

<https://blog.cloudflare.com/introducing-the-workers-cache-api-giving-you-control-over-how-your-content-is-cached/>