Just found the SMArt project pages and looked more closely at the REST API description. It would seem to me that there might be some really good synergies between SMArt and the hData REST API (see http://projecthdata.org/). From a first, superficial look I think that we might be able to model at least portions of the SMArt REST API through an hData Content Profile. It could be interesting to try this out, since (i) we have a simple reference implementation, and (ii) hData is getting closer to being standardized as an HL7 standard.
If you have interest in talking about a possible collaboration, please let me know.
Best regards,
Gerald Beuchelt
The MITRE Corporation