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ONE Engine Unique Word Count (First N Words, Tier 8)
x402
ONE Engine Unique Word Count (First N Words, Tier 8) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0068/call, status unknown (last checked 2026-10-25).
Counts the number of unique words within the first 128 words of a given text input, returning diagnostics at tier 8 richness.
Price / call$0.0068
Success—
StatusUnknown
How this service works
Deterministic local text analysis utility: Count unique words in first N words; parameter=128. Tier 8/10 provides progressively richer diagnostics.
Output
Returns the count of unique (distinct) words found within the first 128 words of the input text, along with tier-8 level diagnostics which may include word frequency distributions, token lists, repetition ratios, and other enriched text analysis metrics.
Example use cases
Vocabulary diversity check for essays
“Can you count how many unique words appear in the first 128 words of this student essay draft and give me the detailed breakdown? Here's the text: 'In modern society, technology plays an important role...'”
Repetition detection in marketing copy
“Analyze the first 128 words of this ad copy and tell me how many distinct words are used — I want to know if we're repeating ourselves too much: 'Our product is the best product for your best life...'”
Content deduplication scoring for scraped text
“Run a unique word count with full diagnostics on the first 128 words of this scraped article to assess how repetitive the vocabulary is: 'Breaking news today as officials confirmed that today's event...'”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v9/text-analysis/unique-words/p4/t8?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a deterministic, reproducible unique word count scoped to the first 128 words of a text, especially when richer tier-8 diagnostics are needed alongside the raw count. Prefer it over general NLP APIs when you want a cheap, pay-per-call micro-utility without managing infrastructure, and when determinism (same input always yields same output) is a requirement.
Side effects
- Empty or missing text input returns an error or zero count
- Text shorter than 128 words is analyzed up to available length, which may affect comparability
- Non-text or binary input may cause parsing failures
- Payment failure via x402 results in 402 status and no analysis
- Malformed POST body returns a 400-level error
Tags
x402
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