YAY SNOWFLAKE!
Different query:
Exists as an endpoint, for converting v3 usernames to v5 userID’s which, one hopes, will be around forever.
But what exists for converting a display name? For when a display name is in localised such as ジェイコブ aside form Search theres no end point for this, primarily in the case of “new sub” where there is no tag data of use to use to get other information.