As a national-level social traffic portal in Vietnam, Zalo is the core position for cross-border e-commerce, foreign trade customer expansion, and local private domain operations. The basic number activation test can only determine whether the account is registered, and cannot meet the current refined, vertical, and high-conversion marketing needs. Problems such as unstratified customer groups, inaccurate audiences, mixed spam accounts, and low content adaptability are common in the industry, resulting in wasteful delivery, sluggish conversions, and uneven private domain quality:
