Address autocomplete (with Photon API)

This module allows for your users to input the whole address with a predictive autocomplete field, provided through Photon API. The module depends on the address module and adds a simplifying widget for the address input. (less fields to fill)

You can find Photon API documentation here : https://photon.komoot.io/

Photon API is open source. You can find source on GitHub : https://github.com/komoot/photon

The initial address fields are hidden at first (if javascript is enabled, otherwise the fields are there and this module fields aren't fired). You can configure module to disable fields in place of hidden fields.
Note that if countries are restricted on an address field settings page or, in case of Drupal Commerce Customer profile on a store's Edit page (Supported billing countries), then only addresses for those countries will be suggested in the widget.

Alternative modules

The Address Autocomplete module supports several autocompletion providers.
I recommend prioritizing this module in the future.