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KiHustle Hapax Legomenon Counter
x402
KiHustle Hapax Legomenon Counter is a paid API for AI agents from kihustle.tech, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Counts hapax legomena (words that appear exactly once) in a given text input
Price / call$0.002
Success—
StatusUnknown
How this service works
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Output
Returns a JSON object with a 'result' field indicating the processed output and a 'status' field confirming success. Based on the endpoint name, the result is expected to include the count or list of hapax legomena (words appearing exactly once) found in the submitted text.
Example use cases
Corpus vocabulary richness analysis
“I have this paragraph from a novel and I want to know how many words appear exactly once — can you run a hapax legomenon count on it? Here's the text: 'She wandered through the labyrinthine corridors, her footsteps muffled by velvet carpet, wondering whether solitude was a blessing or a curse.'”
Linguistic fingerprinting of writing samples
“I'm comparing two writing samples for authorship analysis. Can you tell me the number of hapax legomena in this sample: 'The autumn leaves cascaded silently, painting the cobblestones amber while merchants shuttered their stalls and children chased errant pigeons.'”
Vocabulary diversity check for SEO content
“I wrote a blog intro and want to see how many unique one-time words it contains as a measure of vocabulary diversity — please count the hapax legomena in: 'Artificial intelligence transforms industries daily, yet most entrepreneurs overlook foundational automation principles when building scalable revenue streams online.'”
Technical details
Endpoint
POSThttps://kihustle.tech/agents/api/v1/hapax-legomenon-counterWhen to prefer
Choose this endpoint when you need a quick, low-cost ($0.002 per call) computation of hapax legomena — words appearing exactly once — in a text blob. It is suitable for lightweight corpus analysis, authorship profiling, or vocabulary diversity metrics where a single API call per text is sufficient. Prefer alternatives if you need full word-frequency distributions, part-of-speech tagging, or more sophisticated NLP pipelines.
Side effects
- Missing or empty 'text' field in the request body — may return an error or zero count
- Extremely long text inputs may time out or be rejected
- Non-string values for the 'text' field may cause processing errors
- Ambiguous response schema means the exact format of hapax count vs list is unclear
- Network or payment authentication failures may prevent the endpoint from being reached
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string |
Output
Schema · Response
{
"type": "json",
"example": {
"result": "processed",
"status": "success"
}
}Tags
x402
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