Using an address validation API helps ensure that you send mailpieces to the right recipients. It can also help you avoid chargebacks and delays in delivery.
A Geocoding API is designed to identify a real-world location based on the input address. If the input address is invalid, the API will return a 602 error. The returned address will include a normalized address. It will also provide information on how the address was derived from the normalized address. If the address is correct, the API will return a full address. It will also include information on any components that were missing. The address can be standardized or modified according to USPS guidelines. Address Validation helps make the checkout process faster and more efficient. It improves delivery predictability and increases customer retention. The API is CASS certified, meaning it provides accurate results. It has expanded its coverage regularly. The service uses reference data, including Places data from Google Maps Platform, to validate addresses. It has four possible classifications: residential, business, functional and mixed. Address Validation uses the data provided by the USPS and other sources to identify missing or incorrect components. It can also correct invalid addresses. It provides detailed information on the components of an address and provides feedback to users. The API supports both the United States and PR regions. If you are delivering to the US, you need to enable CASS by default. There are also third-party APIs that provide more accurate data than USPS. However, USPS does not provide an international address validation API.
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