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Best APIs for Natural Language Processing

List of APIs for NLP to use in your AI projects

Covering tasks from classification to question answering, languages from English, Portuguese to Arabic. We hope you find this library useful in your development endeavors

API Name Description Task
Connexun Text Analysis 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. News Services
Connexun News 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. News Services
Klazify Website Categorization The Klazify Website Categorization API gives developers the ability to lookup the categories of a particular URL, website, domain name, or IP address. We offer three top-level category structures to choose from. Whether you need the deep categorization provided by the IAB taxonomy or prefer a more simple category structure, we’ve got you covered. Our Website Categorization API uses a machine learning (ML) engine to scan a website’s content and meta tags. It extracts text to classify the site and assign up to three categories aided by natural language processing (NLP). Machine Learning
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. Sentiment
Ancient Greek WordNet Greek WordNet is a database of the Greek language from Mycenaean and of the Homeric epics, with planned chronological extension into the Classical, Hellenistic, and Roman periods. The GreekWordNet API exposes the data from the database in in JSON format. This includes detailed information about individual lemmas (canonical form, dictionary form, or citation form of a set of words) and synsets (synonymous words), translation, and sentiment analysis. Ancient Greek WordNet is a collaboration between Harvard's Center for Hellenic Studies, the University of Exeter, and the University of Pavia. Words
CalorieNinjas Natural language API to extract nutrition data from any text or image of text. Nutrition
DefinedCrowd DefinedCrowd is a training data platform for artificial intelligence sourced by humans and powered by machine learning. The platform enables users to train speech ASR models, natural language processing models, computer vision (image/video) and prediction models, and machine translation models. The DefinedCrowd REST API provides a programmable interface for integrating data DefinedCrowd's platform. From the REST API, you can create and manage Projects based on Workflow Templates, and upon project completion, retrieve enriched training data. Artificial Intelligence
Webit Text Analytics An AI service capable of doing advanced comparisons, detecting languages, extracting key phrases and entities from an unstructured text. Natural Language Processing
DeepPavlov The DeepPavlov API is available for inference as a REST web service. API routes include model, probe, API, and docs. Find the Framework available in the ProgrammableWeb's directory at https://www.programmableweb.com/framework/deeppavlov-python-framework Framework
Allganize Alli The Allganize Alli API is an RPC service 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. It allows you to identify recurring themes and topics in comments and reviews to understand how customers feel using services for; Cognitive Search, Named Entity Recognition, Sentiment analysis and Review Analysis. Allganize helps businesses automate workflows with natural language understanding AI. Q&A
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