p5::JSON::RPC-Common is a perl module provides abstractions for JSON-RPC 1.0, 1.1 (both variations) and 2.0 (formerly 1.2) Procedure Call and Procedure Return objects (formerly known as request and result), along with error objects. It also provides marshalling objects to convert the model objects into JSON text and HTTP requests/responses. WWW: https://metacpan.org/release/JSON-RPC-Common