PostGrid Address Verification is a real-time postal address validation solution for verifying, validating, standardizing, autocorrecting and enriching all of your customers' addresses with our CASS and SERP certified address database. With our Standard address verification API you can easily validate US and Canadian addresses real-time. With our International Address Verification API, you can verify addresses across 245+ countries globally. Ensure your customer's addresses are up to date and ensure accurate mail deliverability.