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ONE Engine Array Unique (t5)
x402
ONE Engine Array Unique (t5) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0025/call, status unknown (last checked 2026-10-02).
Removes duplicate values from a JSON array, returning only unique elements, with optional offset and size controls.
Price / call$0.0025
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
Returns a JSON object containing the deduplicated array of unique values drawn from the input, respecting any offset and size parameters provided. The response shape is flexible (additionalProperties: true), typically including the filtered unique elements.
Example use cases
Deduplicating product tag lists
“I have this array of product tags from our catalog that has a lot of repeats: ["electronics","sale","electronics","featured","sale","new"] — can you strip out the duplicates and give me only unique tags?”
Unique user ID extraction for batch job
“Before I run my email campaign, deduplicate this list of user IDs so I don't message anyone twice: [1001, 1002, 1001, 1003, 1002, 1004] — give me back just the unique ones.”
Paginated unique search results
“I've got a large list of search result URLs with duplicates — remove the dupes and give me unique results starting from position 20, limiting to 50 items: ["https://a.com", "https://b.com", "https://a.com", ...]”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/array/unique/t5?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a cheap, stateless, pay-per-call deduplication of a JSON array (up to 1000 items) without spinning up your own compute. Ideal for autonomous agents on the Base/x402 payment rail that need lightweight array utility operations without provisioning infrastructure. Prefer this over in-memory deduplication when operating in constrained agent environments or when you want a consistent, auditable microservice call.
Side effects
- Input array exceeds 1000 items — request rejected
- Malformed JSON array in 'values' field — validation error
- Missing required 'values' field — 400 bad request
- Payment not included or insufficient — 402 Payment Required
- Offset larger than the unique result set — empty array returned
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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