# Specify an HTTP proxy

<span class="rvts6">This example shows how to specify an HTTP proxy to be used in all HTTP calls made by the API.</span>

```python
# Use a proxy to debug HTTP requests using Fiddler or similar

proxies = {

  "http": os.getenv('YOUR_PROXY_URL'),

}

# Set the proxy to debug HTTP calls

vf.set_proxy(proxies)
```