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List of Sentiment APIs for Machine Learning Projects

Free and proprietary machine learning APIs are a good way to get started AI projects without much efforts. Although there are hard to find high quality and performance APIs, like Sentiment APIs. We compiled a list of APIs to you start your machine learning (ML) project right now. We collected a list of public, free and proprietary Sentiment NLP APIs, a large curated repository from sentiment analysis, summarization, to law contract analysis APIs. Covering a wide gamma of NLP use cases, from author profiling, classification, to questions and answers.


Let’s get started with APIs!

Text Sentiment Analysis Method
Connexun API enables developers to source multilingual headlines, articles & summaries from thousands of open web sources. The Connexun Text Analysis API enables users to POST news articles to summarize, POST text for language detection, POST text for sentiment evaluation, and retrieve the country and city of origin.
TheySay PreCeive
The TheySay PreCeive API enables developers to integrate text analytics into their applications without having to figure out natural language processing for themselves. The API can be used to mix-and-match TheySay's text analysis processors—including sentiment analysis, speculation detection, part-of-speech tagging, dependency parsing, and more—for use in third-party applications.
Sentiment Analytics
Analysing text sentiment by passing text or paragraphs, in single line or multiple lines, and get back with the sentiment analysis report, to get how many of lines be analysed, how many positive, negative, middle sentiment for the lines of text.
Q emotion Text to Emotions Premium
The Allganize Alli API enables applications to read and infer meaning, deliver answers from large corporations, extract keywords from natural language texts, reveal the structure and meaning of text and more. The API offers cognitive search abilities for employees and customers to sift through documentation for correct answers. It's GraphQL interface provides answers from chat records as well. Allganize helps businesses automate workflows with natural language understanding AI.
GetSentiment
The GetSentiment REST API allows developers to access and integrate the functionality of GetSentiment with other applications. Some example API methods include retrieving customer feedback analysis, managing customer relationships, and retrieving social media analysis and marketing research. The API performs keyword extraction, topical categorization and aspect-based sentiment analysis of text. The API can be customized by the user via a self-service interface, to suit specifics of the industry, project and use cases. GetSentiment is a text analysis tool that provides brands and companies insight into customer feedback.
Dandelion Sentiment Analysis
The Language Detection API is a simple language identification API that is useful when dealing with texts and currently supports 96 languages. All the requests must be sent, either by GET or POST, to the API endpoint and allows you to define how you send to the text for which you want the language to be recognized. The Dandelion API extracts meaning from unstructured text, puts it in context and provides Semantic Text Analytics as a service that includes; text, actionable data and more.
Babelfly
The Babelfly API in both HTTP and Java provide developers access to the functionality of Babelfly for integration with other websites and applications. The main API method is disambiguating text by uploading text and retrieving the disambiguation result. Babelfly is a multi-lingual text disambiguation service that provides sentiment and disambiguation of text.
AlchemyAPI Sentiment Analysis
Alchemy Combined Call API is only available in pro and enterprise packages and is used to analyze posted documents. The call processing analysis uses various features after the call normalizes and cleans the posted HTML document by removing ads, navigation links, and other unnecessary content. Requests are in JSON and responses are in JSON, RDF, or XML. Authentication is through unique and private API Key. AlchemyAPI is a data mining platform. It provides a set of semantic analysis capabilities in the natural language processing field. Customers are able to perform social media monitoring, target advertisements, track sentiment in media, automate content aggregation and recommendation.
HPE Haven OnDemand Sentiment Analysis
The Haven on Demand Speech Recognition API integrates the transcript of a text in audio or video file. It is available with HTTP requests, JSON responses, and API Key as authentication methods.
SentiRate
Use SentiRate to “Capture the Emotion” hidden within your written digital content! SentiRate is a service that offers sentiment analysis to highlight the emotion or attitude of your written digital content, such as email, forms, documents, blogposts, twitter and facebook. This allows the prioritisation of problematic communications, or ensures your outbound correspondence is always positive. Example uses of SentiRate include:In an organisation that receives a lot of correspondence from their customers each day, SentiRate can identify which items may be problematic so you can prioritise these;In an organisation that sends a lot of correspondence to their customers each day, SentiRate can ensure your messages are always positive.Automatically publish positive comments on your blog and enforce manual moderation for negative comments.Embed it into your own application our API or use it stand alone from our website.The uses are practically unlimited.. Sign up now
Text Sentiment Analysis Method
Connexun API enables developers to source multilingual headlines, articles & summaries from thousands of open web sources. The Connexun Text Analysis API enables users to POST news articles to summarize, POST text for language detection, POST text for sentiment evaluation, and retrieve the country and city of origin.
TheySay PreCeive
The TheySay PreCeive API enables developers to integrate text analytics into their applications without having to figure out natural language processing for themselves. The API can be used to mix-and-match TheySay's text analysis processors—including sentiment analysis, speculation detection, part-of-speech tagging, dependency parsing, and more—for use in third-party applications.
Sentiment Analytics
Analysing text sentiment by passing text or paragraphs, in single line or multiple lines, and get back with the sentiment analysis report, to get how many of lines be analysed, how many positive, negative, middle sentiment for the lines of text.
Q emotion Text to Emotions Premium
The Allganize Alli API enables applications to read and infer meaning, deliver answers from large corporations, extract keywords from natural language texts, reveal the structure and meaning of text and more. The API offers cognitive search abilities for employees and customers to sift through documentation for correct answers. It's GraphQL interface provides answers from chat records as well. Allganize helps businesses automate workflows with natural language understanding AI.
GetSentiment
The GetSentiment REST API allows developers to access and integrate the functionality of GetSentiment with other applications. Some example API methods include retrieving customer feedback analysis, managing customer relationships, and retrieving social media analysis and marketing research. The API performs keyword extraction, topical categorization and aspect-based sentiment analysis of text. The API can be customized by the user via a self-service interface, to suit specifics of the industry, project and use cases. GetSentiment is a text analysis tool that provides brands and companies insight into customer feedback.
Dandelion Sentiment Analysis
The Language Detection API is a simple language identification API that is useful when dealing with texts and currently supports 96 languages. All the requests must be sent, either by GET or POST, to the API endpoint and allows you to define how you send to the text for which you want the language to be recognized. The Dandelion API extracts meaning from unstructured text, puts it in context and provides Semantic Text Analytics as a service that includes; text, actionable data and more.
Babelfly
The Babelfly API in both HTTP and Java provide developers access to the functionality of Babelfly for integration with other websites and applications. The main API method is disambiguating text by uploading text and retrieving the disambiguation result. Babelfly is a multi-lingual text disambiguation service that provides sentiment and disambiguation of text.
AlchemyAPI Sentiment Analysis
Alchemy Combined Call API is only available in pro and enterprise packages and is used to analyze posted documents. The call processing analysis uses various features after the call normalizes and cleans the posted HTML document by removing ads, navigation links, and other unnecessary content. Requests are in JSON and responses are in JSON, RDF, or XML. Authentication is through unique and private API Key. AlchemyAPI is a data mining platform. It provides a set of semantic analysis capabilities in the natural language processing field. Customers are able to perform social media monitoring, target advertisements, track sentiment in media, automate content aggregation and recommendation.
HPE Haven OnDemand Sentiment Analysis
The Haven on Demand Speech Recognition API integrates the transcript of a text in audio or video file. It is available with HTTP requests, JSON responses, and API Key as authentication methods.
SentiRate
Use SentiRate to “Capture the Emotion” hidden within your written digital content! SentiRate is a service that offers sentiment analysis to highlight the emotion or attitude of your written digital content, such as email, forms, documents, blogposts, twitter and facebook. This allows the prioritisation of problematic communications, or ensures your outbound correspondence is always positive. Example uses of SentiRate include:In an organisation that receives a lot of correspondence from their customers each day, SentiRate can identify which items may be problematic so you can prioritise these;In an organisation that sends a lot of correspondence to their customers each day, SentiRate can ensure your messages are always positive.Automatically publish positive comments on your blog and enforce manual moderation for negative comments.Embed it into your own application our API or use it stand alone from our website.The uses are practically unlimited.. Sign up now

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