TomoIDV is a cross-border identity verification API for payment providers and digital platforms serving non-residents. Through one integration, it verifies customers using the government-issued IDs and mobile numbers they already hold in their home markets, eliminating reliance on local resident IDs or carrier accounts. Rather than inferring identity from a document image alone, TomoIDV confirms it against authoritative sources and returns a standardized verification response. Its recognition pipeline uses YOLO to locate identity fields and selectively applies DDPM-based reconstruction only to damaged regions caused by glare, blur, skew, or low light. Clean fields are read directly, reducing unnecessary generative processing and supporting real-time verification workflows. TomoIDV also creates a service-specific Pseudonymous Permanent Identifier (PPID), allowing businesses to securely recognize returning verified customers without receiving raw identity data. This supports repeat purchases, refunds, and credential updates while preserving privacy.