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ONE Engine Array Intersection
x402
ONE Engine Array Intersection is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0005/call, status unknown (last checked 2026-10-02).
Computes the intersection of two arrays, returning elements common to both input arrays.
Price / call$0.0005
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 array of elements common to both the primary 'values' array and the optional 'other' comparison array, respecting any specified size limit and offset for pagination.
Example use cases
Matching user IDs across datasets
“I have two lists of user IDs — one from our CRM and one from our email platform. Can you find all the IDs that appear in both lists so I know which users are in both systems? CRM list: [101, 202, 303, 404, 505] and email list: [202, 404, 606, 808].”
Finding shared product tags
“I have two arrays of product tags — one from last month's bestsellers and one from this month's — find me the tags that appear in both: ['electronics','books','toys','sports'] and ['books','clothing','sports','home'].”
Cross-referencing blocked and active accounts
“Check which account IDs from my blocked list also show up in my active accounts list and return the overlapping ones. Blocked: [55, 77, 99, 111] and active: [77, 88, 99, 120, 130].”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/array/intersection/t1?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call array intersection computation without spinning up your own infrastructure. Ideal for AI agents that occasionally need set operations on small-to-medium arrays (up to 1000 items) and want to avoid maintaining stateful services. Costs only $0.0005 USDC per call via x402 on Base.
Side effects
- Missing required 'values' field returns a validation error
- Arrays exceeding 1000 items are rejected
- Invalid JSON in array fields causes a parse error
- Payment failure via x402 results in 402 Payment Required response
- Empty intersection returns an empty array (not an error)
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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