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ONE Engine Array Set Pack T3
x402
ONE Engine Array Set Pack T3 is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0012/call, status unknown (last checked 2026-10-02).
Computes a set operation (pack/intersection/union) on two input arrays and returns a tier-3 processed result.
Price / call$0.0012
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
A JSON object containing 'tier' (set to 3) and 'result' (a tier-dependent packed or combined representation of the two input arrays, such as a union, intersection, or encoded pack structure).
Example use cases
Deduplicating tag sets across datasets
“I have two lists of tags from different data sources — list A is ['sports','news','tech'] and list B is ['tech','finance','news'] — can you pack them together and get me the combined set result from ONE Engine's array utility?”
Finding shared elements in user segments
“I've got two arrays of user IDs — group A is [101, 202, 303, 404] and group B is [202, 404, 505] — run them through the ONE Engine array-set-pack at tier 3 so I can see what comes back.”
Merging permission lists for access control
“I need to combine two permission arrays — permissions A are ['read','write'] and permissions B are ['write','execute','admin'] — use ONE Engine's set-pack API to get the tier-3 packed output.”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v2/array-set-pack/t3?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call array set-packing computation on Base via x402 with minimal overhead and no subscription requirement. It is best suited for autonomous agents that need on-demand, cost-controlled set operations on two arrays without spinning up local computation.
Side effects
- Missing 'a' or 'b' array fields returns a validation error
- Non-array values for 'a' or 'b' may cause a 400 bad request
- Payment failure (insufficient USDC or x402 issue) results in 402 Payment Required
- Empty arrays may produce an empty or trivial result
- Cloudflare Worker timeout on very large arrays
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| a | array | |
| b | array |
Output
Schema · Response
{
"type": "json",
"example": {
"tier": 3,
"result": "Tier-dependent output"
}
}Tags
x402
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