Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.
The functionality will be supported next year.
Why OpenCalais API break on this message unless substring " Let's hear from in fact." is removed?
OpenCalais: trained model for French is available?
Feedback on the following nodejs opencalais sdk is much appreciated
Curl vs openCalais demo inconsistency/bug?
Extracting relationships alongwith Entities using Opencalais