Pricing

$20.00 / 1,000 text analyzeds

Keyword Extraction API - RAKE Keywords from Any Text

Keyword extraction API using the RAKE algorithm. Input: text string(s). Output: JSON array of ranked keywords and multi-word phrases with relevance scores. No training data, no LLM, no API key. Ideal for tagging, SEO, and content pipelines. $0.02 per text analyzed.

Pricing

$20.00 / 1,000 text analyzeds

Rating

0.0

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Developer

Anthony Snider

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Monthly active users

8 days ago

Last modified

Text Keyword Extractor

Extract the most important keywords and key phrases from any text using the RAKE algorithm — no training, no model, no external API. Perfect for tagging, SEO metadata, and content indexing.

Live on the Apify Store — run it instantly or call it as an agent tool via Apify MCP.

What you get

Key phrases ranked by RAKE score (word degree ÷ frequency, summed per phrase)
Top single words by frequency (stopwords removed)
Single text or bulk array of texts in one run
Pure deterministic, offline extraction — fast and private

Input

Field	Type	Description
`text`	string	The text to analyze (or use `texts`)
`texts`	array	Bulk list of texts, each analyzed independently
`topN`	integer	How many keywords / top words to return (default 20)
`maxTexts`	integer	Cap on texts per run (default 50)

{
  "text": "Compatibility of systems of linear constraints over the set of natural numbers. Criteria of compatibility of a system of linear Diophantine equations are considered.",
  "topN": 10
}

Output

One dataset item per text:

{
  "text": "Compatibility of systems of linear constraints over the set of natural numbers...",
  "keywords": [
    { "phrase": "linear diophantine equations", "score": 9.0 },
    { "phrase": "linear constraints", "score": 4.0 },
    { "phrase": "natural numbers", "score": 4.0 }
  ],
  "topWords": [
    { "word": "linear", "count": 3 },
    { "word": "compatibility", "count": 2 }
  ],
  "keywordCount": 10,
  "uniqueWords": 14,
  "candidatePhrases": 9
}

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