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ONE Engine Array Flatten (t3)
x402
ONE Engine Array Flatten (t3) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-02).
Flattens a nested JSON array into a single-level array, with optional comparison array and offset/size controls.
Price / call$0.001
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 flattened version of the input array, with nesting removed. May include comparison results if an optional 'other' array is supplied, and respects 'size' and 'offset' pagination parameters to limit the returned slice.
Example use cases
Normalize nested API response data
“I got back this deeply nested array from another API: [["a","b"],["c",["d","e"]],"f"] — can you flatten it into a single list so I can process each item one by one?”
Compare flattened data against reference list
“Flatten this nested array [[1,2],[3,[4,5]],6] and compare it against [1,2,3,4,5,6] so I can see if they match up after flattening.”
Paginate through large nested array
“I have a big nested array with hundreds of items — can you flatten it and return just 50 items starting from offset 100?”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/array/flatten/t3?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a cheap, pay-per-call ($0.001 USDC) serverless operation to flatten nested arrays of up to 1000 items, especially in agentic pipelines on Base using x402 micropayments. Prefer it over building custom flatten logic when you want a stateless, reliable utility with optional comparison and pagination support.
Side effects
- Input array exceeds 1000 items — request rejected
- Missing required 'values' field — validation error
- Malformed JSON in values array — parse error
- Payment not provided or insufficient — 402 Payment Required
- Network timeout on Cloudflare Worker edge node
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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