PixLab offers a set of APIs that hopes to meet most of your media analysis and processing needs. Whether it's media storage, machine vision, or image processing you need; there is not much on the media analysis/editing market today that PixLab doesn't offer through RESTful APIs.
The Moodstocks API provides image recognition services that developers can integrate into their mobile and web applications. The image recognition API allows developers to add reference images and define them--a process that in turn can be used when identifying objects in images.
Microsoft has announced that paid plans are now available for the Bing Search APIs that are part of Microsoft Cognitive Services. The suite of Bing Search APIs that can now be purchased includes Bing Web Search API, Bing Image Search API, Bing Video Search API, and Bing News Search API.