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ONE Engine Drop-Last Array Items Utility (Tier 10)
x402
ONE Engine Drop-Last Array Items Utility (Tier 10) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0114/call, status unknown (last checked 2026-10-13).
Drops the last 64 items from a JSON array and returns the truncated result with richest-tier diagnostics.
Price / call$0.0114
Success—
StatusUnknown
How this service works
Deterministic JSON array processing utility: Drop last array items; parameter=64. Tier 10/10 provides progressively richer diagnostics.
Output
Returns the input JSON array with the last 64 elements removed, along with Tier 10 richest-level diagnostic output including processing metadata such as original length, resulting length, items dropped, and any relevant processing signals.
Example use cases
Trim event log tail for analysis
“I have a JSON array of 200 log entries and I need to remove the last 64 — can you drop those trailing entries and give me the trimmed array with detailed processing info?”
Remove recent queue additions
“Here's my task queue as a JSON array; strip the last 64 items that were just added so I'm left with only the older stable entries.”
Paginate by dropping processed tail
“I've got a JSON array of records and I want to discard the last 64 that have already been handled — drop them and return the remainder with diagnostic details.”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v9/array-process/drop-tail/p10/t10?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a deterministic, auditable drop of the last 64 elements from a JSON array and want the richest available diagnostic output (Tier 10). Prefer it over lower-tier siblings when you need maximum processing insight. Use it when a fixed tail-drop of exactly 64 items matches your use case and you are operating in an x402-payment agent context on Base.
Side effects
- Array shorter than 64 items may return empty array or error
- Invalid JSON input returns a parse error
- Non-array JSON input rejected
- Payment failure via x402 results in 402 response and no processing
- Network timeout on large arrays
Tags
x402
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