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Alchemy API

All categories


Crawl and clean web pages, tag documents with their taxonomy categories, high-level concepts, or emotional sentiment. Extract named entities, rank keywords by relevance, image recognition, and more.

(FREE TIER) Alchemy API offers a free tier with limited capabilities.

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Classification from HTML

Classify text from HTML into categories such as Sports, Polit...

Classification from Text

Classify a body of text into categories such as Sports, Polit...

Classification from URL

Classify webpages into categories such as Sports, Politics, E...

Concept Tagging from HTML

Identify key concepts from text in an HTML document. Also get...

Concept Tagging from Text

Identify key concepts from a body of text. Also get links to ...

Concept Tagging from URL

Identify key concepts from text on a webpage.

Detect Language from HTML

Detect language from text in an HTML document....

Detect Language from Text

Detect language from a body of text....

Detect Language from URL

Detect language of a webpage....

Entity Extraction from HTML

Extract entities from text within an HTML document. Identi...

Entity Extraction from Text

Extract entities from a body of text. Identify companies, ...

Entity Extraction from URL

Extract entities from text on a webpage. Identify companie...

Extract Article Author from URL

Given the URL for an article or piece of news, extract the au...

Extract Microformat from URL

Extract microformat from a URL. This is extra information emb...

Extract Primary Image from URL

Extract primary image from a webpage....

Extract RSS Feeds from URL

Extract any links to RSS / ATOM feeds contained within the sp...

Extract Text from HTML

Algorithmically pull out main text from an HTML document. Avo...

Extract Text from URL

Algorithmically pull out main text from a webpage. Avoid all ...

Face Detection and Recognition from URL

Automatically detect and recognize faces from an image. You c...

Identify Keywords from HTML

Identify most important keywords from text within an HTML doc...

Identify Keywords from Text

Identify most important keywords from a body of text. Thes...

Identify Keywords from URL

Identify most important keywords from text on a webpage. T...

Image Recognition from URL

Detect objects within an image....

News Search using Raw Query

"AlchemyData News indexes 250k to 300k English language news ...

Relation Extraction from HTML

Find relationship between sentence components (nouns, verbs, ...

Relation Extraction from Text

Find relationship between sentence components (nouns, verbs, ...

Relation Extraction from URL

Find relationship between sentence components (nouns, verbs, subjects, etc).

Search Recent News Articles by Author

Given an author's name, search for their most recent articles...

Sentiment Analysis from HTML

Get sentiment of HTML document. This algorithm automatically ...

Sentiment Analysis from Text

Get sentiment of text.

Sentiment Analysis from URL

Get sentiment of website. This algorithm automatically extrac...