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ONE Engine Array Frequency Analysis
x402
ONE Engine Array Frequency Analysis is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0065/call, status unknown (last checked 2026-10-02).
Computes frequency counts and distributions for elements in a JSON array, with optional comparison to a second array.
Price / call$0.0065
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
Returns an object mapping each unique element in the input array to its occurrence count, along with distribution statistics. When a comparison array is provided, includes comparative frequency data between both arrays.
Example use cases
Inventory item frequency tally
“I have a list of product categories from our last 500 orders and I want to know how many times each category appears — here's the array: ["electronics","clothing","electronics","books","clothing","electronics",...]. Can you give me the frequency count for each?”
Survey response distribution
“I've got an array of survey answers from respondents — things like "agree", "disagree", "neutral" — and I want to see how many times each response shows up. The array has about 200 entries. Can you compute the frequency distribution?”
Compare word usage across two texts
“I have two word lists from two different documents and I want to compare how frequently each word appears in both. Can you run a frequency analysis on the first array and use the second array as the comparison baseline?”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/array/frequency/t7?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call frequency/tally computation on a JSON array without standing up your own infrastructure. It is particularly useful for AI agents that need on-demand statistical summaries of discrete value lists (e.g. survey responses, log entries, categorical data) at very low cost ($0.0065 per call) via x402 micropayments on Base.
Side effects
- Array exceeds 1000 item limit — request rejected with validation error
- Malformed JSON array input — returns parse error
- Payment failure via x402 — HTTP 402 returned before processing
- Empty values array — may return empty frequency map
- Non-homogeneous array types may produce unexpected groupings
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| size | integer | |
| other | array | Optional comparison array |
| offset | integer | |
| valuesrequired | array | JSON array with at most 1000 items |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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