DuckDuckGo Zero-click Info includes topic summaries, categories, disambiguation, official sites, !bang redirects, definitions and more. You can use this API for many things, e.g. define people, places, things, words and concepts; provides direct links to other services (via !bang syntax); list related topics; and gives official sites when available.
The PeerReach API allows you to give context to the content produced by any Twitter profile. PeerReach has analysed over a 100 million accounts and can return information like, expertise area's. interests, gender, age and location. This free version of our API allows you to make 2400 daily calls.