Our Address Validation service allows you to verify and correct postal addresses from 240 countries world-wide.You can test our Address Validation service here for free - just register for a free API key.Once you have your username, you will need to build a URL query to validate an address using the USPS web tool and the File Maker script step Insert from URL.You will also want to make sure that the parameters within your URL are encoded using the File Maker function Get As URLEncoded().
Our Address Autocomplete API provides address suggestions while the user is still typing.
Postal Service guidelines to thoroughly check the city, state and postal code of every shipment.
When your shipping labels contain typos, incorrect ZIP codes or non-standard state abbreviations, delivery rates can decline and postage may be wasted if your mail is returned as undeliverable.
USPS defines a address as one that is fully spelled out, has a correct city and state, is abbreviated with Postal Service standard abbreviations, and is correctly formatted.
UPS provides up to ten alternate addresses, including an accuracy rate that lets your customers know how closely the address they entered matches the suggested address.