Bitland is a web agency that develop web services and restful APIs. Together with University of Malta, Ixaris, University of Bologna tackles the problem of service refinement in multi-party setting (WP2). Bitland contributes to the development of techniques for dealing with failures and rollback in APIs in collaboration with University of Kent and University of Bologna (WP3). It collaborates to the validation of prototype tools for analysing correct usage of APIs in JAVA (WP4).