A Step-by-step Guide for Geocoding with Google API and OSM

Geocoding is the process of converting textual location information (human-readable address) into geographic coordinates (latitude and longitude) which you can use to place markers on a map or perform spatial queries. This allows you to represent locations on a map and perform spatial analysis. Reverse geocoding does exactly the opposite i.e. it converts geographic coordinates into a human-readable address.

 

  • Make sure the Maps JavaScript API and Geocoding API are both enabled in your Google Cloud project.
  • Use a valid API key with the correct referrer restrictions (as discussed before).
  • Watch your usage quota — Geocoding is billable after a free tier.

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