USPS Address Validation API Example

 

usps address validation api example

If you need to validate a USPS address, you can automate this process with an address validation API. You can use the ZIPFOURce address validation API, which is available for free on windowsavailable for free  and linux systems. It uses a USPS address database to verify an address. Even if the address looks valid, it may not be.

USPS addresses are valid, but they are sometimes misspelled, or incomplete. Using a USPS address validation API to check addresses will help your company make sure that your customers' addresses are correct. If you are unable to get a valid address, the USPS may send your mail to the wrong place.

The USPS addresses database is large and accurate. You can validate a single address at a time using its web interface. You can also check multiple addresses at once using the USPS address validation API. You should choose a USPS address validation API based on your needs. If you want to validate multiple addresses, it may be best to use Melissa Data or another service that supports address validation.

You should also check the address format in the response. If there is a mismatch, return an error response. For example, a wrong zip code could result in a wrong address. A valid address has at least one address line, but it must be a street address.

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