There are many uses for an address lookup APi. Whether you need to find an address in a certain state or want to use an address lookup API for an application, there are several tools you can use. Here's a look at some of them. The primary one is to find a person's address. It will also list the required fields in an address object. There are several others, too.
An address validation API can validate an address and return detailed information about it. The SUSPECT status means the address is suspect, but it isn't actually invalid, but does need to be corrected. If the address is invalid, a suggested correction will be returned. Another address validation API is the Byteplant Postal Address Online Validator, which will help you remove old addresses. Many mobile applications and websites require their users to enter a valid street address before they can use it. Using an address lookup API from RapidAPi can help you validate the address before you send it. It's free to register with RapidAPi and has a number of additional services.
The USPS addresses API is a popular choice. This API is free to use and is the official repository for address data in the United States. However, this API is notoriously problematic, with poor documentation and poor support. It's also notorious for frequent downtime. Nevertheless, this API has some unique features that can be helpful for your application. It's also available in JavaScript, Python, and C#.