MusicBrainz API
| The MusicBrainz database contains a huge amount of music metadata, which is maintained by the MusicBrainz community. Find information about artists, albums, tracks and labels. Mash the data with your... | Music | 229 | REST v2.0 |
DBpedia API
| From their site: DBpedia.org is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to ask
sophisticated queries... | Wiki | 182 | REST |
ClearForest Semantic Web Services1 API
| ClearForest Semantic Web Services-1 (SWS-1) leverages the power of over a decade of research and product development in natural language processing, text extraction and event detection, making these... | News Services | 44 | RPC |
Evri API
| Use the Evri API to get access to Evri's mapping of the entity web, or the web of people, places and things connected to one another via language. Portions of Evri's NLP-based (natural language... | Recommendations | 29 | REST |
GetGlue API
| GetGlue is a social networking service where users "check-in" to share what movies, videos, or TV shows they are watching, what they are listening to, and what they are reading with their friends.... | Social | 39 | REST |
Zemanta API
| The Zemanta API brings contextually relevant content from around the web to you as you type. The web service API brings finds related Articles, Images, Hyperlinks and Tags right to your app. Use the... | Blogging | 169 | REST |
True Knowledge API
| True Knowledge is a new class of Internet search technology aimed at improving the experience of finding known facts on the Web. The True Knowledge Answer Engine gives consumers instant answers to... | Search | 55 | REST |
Yolink API
| Yolink quickly scans search results, e-books, online documents, and web sites using key words, quotes, and word relationships to find what users are looking for. The API provides access to the cloud... | Search | 7 | REST |
Wolfram Alpha API
| Wolfram|Alpha is a "computational knowledge engine" whose long-term goal is "to make all systematic knowledge immediately computable and accessible to everyone. We aim to collect and curate all... | Reference | 166 | REST |
Sensebot API
| Sensebot Semantic Cloud API features extraction of semantic concepts from a page; creating �semantic cloud� of concepts describing a group of documents; generating a multi-document summary of a... | Search | 16 | RPC |
Yahoo Geo Location API
| Yahoo's REST-based Geo Location API allows users to retrieve associated geographic locations for a given term (e.g. paella, wild west, reindeer). This may be used to identify words or phrases that... | Mapping | 10 | REST |
Yummly API
| The Yummly Recipe API lets you lets you integrate recipes and faceted recipe search into your websites or mobile applications.
Since Yummly understands the recipe –ingredients, diets, allergies... | Search | 93 | REST |
OpinionCrawl Sentiment Analysis API
| The OpinionCrawl Sentiment API allows client applications to assess sentiment on a Web page or a piece of text such as a blog comment. The API is deployed in a computing cloud.
OpinionCrawl.com is... | Sentiment | 33 | RPC |
Amplify API
| Amplify is a web service developed by Hapax that brings human understanding to content. Using patented Natural Language Processing technology, Amplify reads and understands every word used in text.... | Semantics | 69 | |
SemanticHacker API
| The SemanticHacker API generates Semantic Signatures�. A Semantic Signature� is a representation of ALL concepts covered in a block of text. Each block of text contains semantic dimensions with... | Search | 16 | REST |
DigitalOwl Text Similarity API
| The DigitalOwl Text Similarity API allows developers to programmatically evaluate the semantic similarity of two articles. Similarity is expressed as a number. These articles may be submitted to the... | Natural Language Processing | 4 | REST v1.0 |
Ontotext S4 Semantic Biomedical Tagger API
| The Semantic Biomedical Tagger (SBT) API offers developers built-in capability to recognize 133 biomedical entity types in text and semantically link them to a knowledge graph -- in this case... | Text | 3 | REST |
Ontotext S4 Text Analytics API
| The News Annotation service retrieves various types of entities from texts as well as the relations between them. The extraction is based on gazetteers from trusted sources (such as the curated... | Text | 9 | REST |
Maluuba Natural Language API
| Maluuba is a phone assistant app that uses natural voice recognition technology to turn users commands into actions. It can work with features such as calendar, reminders, weather, search, voice... | Telephony | 12 | REST |
Bitext API
| Text analysis API build on a linguistic basis.
Log in for your free API Key at https://api.bitext.com
The API provides 4 text analysis services:
Sentiment analysis
End point https://... | Natural Language Processing | 10 | REST v2.0 |
Yahoo Content Analysis API
| Yahoo Content Analysis replaces Yahoo!’s Term Extraction service and lets users perform content analysis on text or a URL. The API is able to extract key terms from the content and rank them based... | Tools | 27 | REST |
DBpedia Spotlight API
| DBpedia is a web tool built to extract structured information from Wikipedia, convert it into RDF, and make it freely available on the Web. In a nutshell, DBpedia is the Semantic Web mirror of... | Reference | 22 | REST |
SemantiNet Knowledge Graph API
| The Knowledge Graph API is a RESTful API that lets developers build complex queries that can draw data from many different web resources. Data is returned in a JSON format. Currently, users do not... | Tools | 9 | REST |
Extractiv API
| Extractiv is a service which automatically converts unstructured text into structured semantic data. It combines an extremely fast web crawler with powerful natural language processing technology.... | Semantics | 18 | REST |
TweetSentiments API
| TweetSentiments performs semantic analysis of tweets using a Support Vector Machines algorithm. Doing so, it is able to determine whether tweets are positive, negative or neutral in sentiment. This... | Tools | 37 | REST |