Lob Address Verification API is a fee based cloud API that verifies addresses to confirm deliverability potential. This API performs cleansing, standardizing, and local geocoding of submitted addresses, both domestic and foreign. The Lob Address Verification API supports UTF-8 encoded characters to ensure worldwide verification ability. Domestic verification is free and verification of over 150 countries is available through a fee.
Lob API requires an authentication key and is REST oriented.This API provides Ruby, Node.js, PHP, Java, & Python wrappers for ease of integration.