Our goal with the Octopart API is to open up access to part data for design, sourcing and manufacturing. To help design engineers evaluate components we've added manufacturer product detail links as well as links to free sample and eval kit order forms:
http://octopart.com/api/docs/v3/rest-api#object-schemas-externallink
To recap, here's a list of the data types that are currently available in the Octopart API:
If you're a component manufacturer and you would like to see your data in the Octopart API just send us an email (contact@octopart.com)!