USPS address verification API is a free tool that helps to validate addresses. It works in a web application and compares the address provided with its database. A valid address is one that is formatted according to USPS standards.
You can use the USPS Address Verification API in over 40 countries. However, you will need a USPS account to access its database. The account may be required if you need to use its services for business purposes.
The USPS address verification API provides metadata for each address. This metadata helps to sort the data and analyze it.
A valid address has the correct ZIP code. It should also have a 2-digit delivery point. This helps to ensure that the address is standardized and accurate. If it is not, the service will flag the address as invalid.
Although the USPS address verification API is free, it does have some limitations. It is not suitable for bulk validation, and it cannot be used for database cleansing. Another drawback is the fact that its documentation is limited. In addition, it lacks reliability and uptime.
If you are looking for a more convenient solution for your address verification needs, you might want to consider a specialized address verification API. These APIs are generally easier to program and have a faster development time. They also offer official SDKs in different languages.
There are many popular APIs that help you verify addresses. One such service is Loqate.
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