Amazon Rekognition - Add Amazon's advanced image analysis to your applications.
Klevu - Klevu offers instant site search solution for eCommerce stores.
Clarifai - The World's AI
Google Custom Search - Google Custom Search enables you to create a search engine for your website, your blog, or a collection of websites.
Google Vision AI - Cloud Vision API provides a comprehensive set of capabilities including object detection, ocr, explicit content, face, logo, and landmark detection.
Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.