Since end July 2018, Google has decided to change their policy for the Google API key. After a cap of $ 200 offered by Google, they keys will be billable to be used.
As a result, it is possible that the existing key that is present by default in the bpost plugin no longer works because the usage limit has been exceeded.
How to fix it ?
To solve this problem, and especially for security reasons, we ask our customers to enter their own Google API keys.
Google offers a wizard to setup to API key.
Please note that for bpost plug-ins, you will have to activate the "maps" and "places" services of Google API key.
How much does it cost ?
The Google key is no longer free, but almost...
Indeed, Google offers for free a budget of 200$ on a monthly based , which can represent for example 28500 dynamic map loads, which will definitely match your needs.
Check out all pricing details here: https://cloud.google.com/maps-platform/pricing/
Is it secured ?
In addition, reinforce your website security by restricting the domain(s) (when requesting the key) on which the key will be used. There is therefore no risk of key theft.
Where should I specify the key in the bpost plug-in ?
The keys have to be entered in the configuration of the plugin located under System>> Configuration >> Shipping Settings :