OKLink launched OpenAPI business on January 9, 2023, and added on-chain security detection services (including transaction monitoring, address health detection, domain name detection, token risk scanning) and address label services. Based on hundreds of millions of address tag libraries, the service has established a multi-scenario applicable risk rule model, which can detect transaction risk information in real time and help users avoid transactions with malicious addresses and risk entities. As of today, OKLink OpenAPI business has included security detection services, providing more than 13 public chain browser data, aggregated data indicators, and more than 1.5 billion address tags and other services. API functions can be customized according to business needs to provide users with overall solutions. The landing of this business enables Okey Cloud Chain to provide users with multi-dimensional data analysis capabilities on the chain, and at the same time provide one-stop data services for professional users such as Web3 teams and institutions through OpenAPI.