What is a Geocoding API?

A Geocoding API converts raw data into usable information. It offers two basic types of searches: exact and approximate. The default setting returns Washington, DC, for the query wahsington. The exact version of the API accepts ISO 3166 alpha 2 country codes. For more information about each, see the Google Maps Geocoding API documentation. In a nutshell, the Geocoding API allows you to turn raw data into useful information.



The first step toward world-class geocoding is address validation. It validates the user's address against a reliable database. If the address is incorrect, it should return an "invalid address" response to give the user a chance to fix it. For instance, if you want to display a map of a certain city, you should validate the address first. Otherwise, your data will be invalid.

A geocoding API provides accurate geocodes for individual buildings in a complex. Its accuracy varies, and many geocoders use Esri as a gold standard. These geocoding services include subaddress accuracy, apartment numbers, suites, and other location data. Some geocoding APIs also let you use their data on 3rd party maps. If you want to display your results on other platforms, you should check the terms of service of the provider.

A Geocoding API is essential for a wide range of applications. For example, home service apps use address data to track customer needs. Once this data is collected, it must be translated to location coordinates. These coordinates are used to locate buildings and public places. Security services use geocoding technology to deploy security personnel to customer locations and monitor their movements with mobile phones. So, if you're building a map, you need to use geocoding APIs to make it work.

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