Official Copy Document Availability
Check which register referred documents are available for immediate download. Use a title number to find out the Official Copy Document Availability status via a RESTful API. When you know what is available, you can order using the Official Copy Title Known service (https://landregistry.github.io/bgtechdoc/services/official_copy_title_known).
Where [title_number] is replaced by the title number you need to use.