The X-Gw-Api-Key
request header contains the "key" portion of the API key pair issued to your business.
On sandbox you can generate a test key/secret by checking the "Generate key for API Reference documentation" checkbox, simplifying authentication.
![Screen Shot 2022-04-15 at 7.56.22 AM.png 982](https://files.readme.io/02574da-Screen_Shot_2022-04-15_at_7.56.22_AM.png)
request['X-Gw-Api-Key'] = api_key