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Saylor Innovations Text Similarity Analyzer
x402
Saylor Innovations Text Similarity Analyzer is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-18).
Compares two texts using cosine, Jaccard, Dice bigram, and edit-distance similarity metrics, returning an overall score, duplicate verdict, and shared terms
Price / call$0.01
Success—
StatusUnknown
How this service works
Compare two texts with cosine, Jaccard, Dice bigram and edit-distance similarity, an overall score, a duplicate verdict and the shared terms
Output
Returns a JSON object with cosine similarity, Jaccard similarity, Dice bigram similarity, edit distance, edit similarity, an aggregated overall similarity score (0–1), a plain-English duplicate verdict, a list of shared terms, and word counts for both inputs — plus optional notes and source attribution.
Example use cases
Plagiarism check on student essays
“I have two student essay submissions and I want to know if they're too similar — can you run a full similarity check on them and tell me the overall score and whether they look like duplicates? Essay 1: 'Climate change is the defining challenge of our era, driven by rising greenhouse gas emissions from fossil fuels.' Essay 2: 'The defining challenge of our time is climate change, caused by growing greenhouse gas emissions from burning fossil fuels.'”
Deduplication of product descriptions
“Check whether these two product descriptions are essentially the same thing so I can decide whether to merge them. Description A: 'Lightweight running shoes with breathable mesh upper and cushioned sole, ideal for road running.' Description B: 'Breathable mesh running shoes with a cushioned sole designed for road use — lightweight and comfortable.'”
Content similarity audit for SEO
“I need to know how similar these two blog post intros are from an SEO duplication standpoint — give me the cosine and Jaccard scores and a duplicate verdict. Text 1: 'Starting a podcast in 2024 is easier than ever with affordable recording equipment and free hosting platforms.' Text 2: 'In 2024, launching a podcast has never been simpler thanks to cheap recording gear and free hosting options.'”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/text/similarity?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need multi-metric text similarity in a single call — it combines cosine, Jaccard, Dice bigram, and edit-distance into one aggregated score with a duplicate verdict, saving you from calling separate NLP tools. Prefer it over standalone edit-distance or cosine tools when you want a holistic comparison with shared-term extraction for explainability.
Side effects
- Missing required query parameters 'a' or 'b' returns an error
- Text inputs exceeding 2500 characters may be rejected or truncated
- Very short inputs (single words) may produce unreliable similarity scores
- Payment failure (x402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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