Function	API operation	Subscription type
Search register / view entity data (Return public data only)	GET /entities/*	Subscription key OAuth 2-legged
Search register / view entity data (Return public data, and private data to an authorised end-user)	GET /entities/*	OAuth three-legged
Maintain entities	POST PUT DELETE /entities/*	OAuth three-legged
Watchlists	GET POST PUT DELETE /watchlists/*	Any
Documents	POST /documents/*	OAuth three-legged
Users and organisations	GET POST PUT DELETE /users/*, /organisations/*	OAuth three-legged
Authorities	GET POST PUT /authorities/*	OAuth three-legged
Find organisation parts	GET /entities/organisation-parts*	Any
Share organisation parts	PUT /entities/organisation-parts/action-request-access	OAuth three-legged
Maintain an organisation part	POST PUT DELETE /entities/organisation-parts*	OAuth three-legged