[1] RESTful Open Annotation ( (2015-07-27 17:29:13 +09:00)) https://restoa.github.io/

RESTful Open Annotation (REST-OA) provides a simple API for sharing annotations online together with reference implementations and tools and resources implementing the API.

[2] Core API ( (2015-06-05 16:38:53 +09:00)) https://restful-open-annotation.github.io/spec/api-core.html