The invention discloses an application registration method, apparatus and device, and a readable storage medium. The method comprises the steps of obtaining registry form information submitted by a first object; the registry form information comprises a target application tenant identifier and first
object registration information; performing hook query
processing on the target application tenant identifier to obtain a hook query result; and if the hook query result indicates that the pre-registration tenant management hook in the enabled state exists in the target application tenant identifier, submitting the first
object registration information to a target application tenant
server according to the pre-registration tenant management hook, so that the target application tenant
server performs registration
verification processing on the first
object registration information, obtaining a registration
verification result; and if the registration
verification result is a registration verification passing result, performing application registration
processing according to the first object registration information to obtain an application registration result. According to the invention, the flexibility and diversity of registration verification in a multi-tenant application scene can be improved.