Get better address data from your members buy using the paid for third party service called Loqate.
We make it really easy for you to integrate with Loqate if you have an account with them.
Simply go to Settings > Account and scroll down to the Loqate box.
In the box you simply need to paste your API key from your Loqate account settings.
You can follow this guide from Loqate on creating an API key
> guide to creating a key on Loqate.
You will be asked to set limits by URL for your API key, please set a limit for the following URLs.
A correctly set up API key should look like this: