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ONE Engine Array Reverse
x402
ONE Engine Array Reverse 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).
Reverses the order of elements in a JSON array, with optional size and offset parameters.
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 reversed array. The response is an object with the transformed array elements in reversed order, potentially scoped by the provided size and offset parameters.
Example use cases
Reverse paginated result order
“I have this list of search results and I need them in reverse order: ["result1", "result2", "result3", "result4", "result5"] — can you flip the sequence?”
Invert a ranked leaderboard
“Take this leaderboard array and reverse it so the last-place item comes first: ["Alice", "Bob", "Carol", "Dave"]”
Reverse a time-series data array
“I have these timestamps in chronological order and need them reversed to show newest first: ["2024-01-01", "2024-01-02", "2024-01-03", "2024-01-04"]”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/array/reverse/t5?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a simple, low-cost ($0.0025 USDC) pay-per-call array reversal via the x402 micropayment protocol on Base, without setting up your own compute infrastructure. Ideal for autonomous agents that need lightweight array transformation utilities on demand.
Side effects
- Array exceeds 1000 item limit — returns an error response
- Invalid or non-array values field — returns a validation error
- Malformed JSON body — returns a parse error
- Payment failure via x402 — returns 402 Payment Required before processing
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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