Using plain Rebol3
This is how you can use CouchDB from plain Rebol3 (which is currently in public Alpha).
And here you can get Rebol3 Rebol3 Alpha download
How to read data from CouchDB using Rebol
to-string read http://localhost:5984/db2/id
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How to write data to CouchDB using Rebol
to-string write http://localhost:5984/db2/id json-data
How to create a new CouchDB Database using Rebol
to-string write http://localhost:5984/db2 [PUT [] ""]
A complete console session
>> to-string write http://localhost:5984/hohtest [PUT]
== {{"ok":true}}
>> to-string write http://localhost:5984/hohtest {{"_id":"hello","data":"Hello World!"}}
== {{"ok":true,"id":"hello","rev":"1-a67aaac28adabcdd8d0718187741d49d"}}
>> to-string read http://localhost:5984/hohtest/hello
== {{"_id":"hello","_rev":"1-a67aaac28adabcdd8d0718187741d49d","data":"Hello World!"}}
>> to-string write http://localhost:5984/hohtest [DELETE]
== {{"ok":true}}BTW, to-string is only needed to make it human readable. Without it, the return values would be binary.
A Rebol3 module
And here you can get a Rebol3 module, to make it even easier. especially working with json data.