Аннотация:In this paper we describe the current state of open APIs for M2M applications as well as some possible changes and extensions. Our article based on open standards ETSI is going to provide for the rapidly growing M2M market. An open specification, presented as an Application Programming Interface (OpenAPI), provides applications with a rich framework of core network capabilities upon which to build services while encapsulating the underlying communication protocols. OpenAPI is a portable platform for services that may be replicated and ported between different execution environments and hardware platforms. We would like to discuss the possible extensions for ETSI proposals that, by our opinion, let keep telecom development inline with the modern approaches in the web development domain.