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Batch Chunk Plan
x402
Batch Chunk Plan is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Computes an ordered list of bounded chunk offsets and counts given a total item count and a desired chunk size, returning a versioned deterministic JSON plan.
Price / call$0.001
Success—
StatusUnknown
How this service works
Batch Chunk Plan: Batch Chunk Plan plans ordered bounded chunks from item count and chunk size from bounded caller-supplied values without an external provider. Call Batch Chunk Plan before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for Batch Chunk Plan as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base. Fir…
Output
Returns a versioned deterministic JSON object containing the ordered list of chunk definitions — each chunk has an index, start offset, and item count — along with aggregate counts (total items, total chunks, chunk size used) and normalized values, all wrapped in a versioned result contract.
Example use cases
Paginating large dataset export
“I need to export 15000 records to a downstream API that only accepts 500 at a time — can you calculate the chunk plan so I know exactly how many batches there are and where each one starts?”
Parallel worker job partitioning
“I'm spinning up parallel workers to process 3200 items and each worker can handle at most 400 items — give me a chunk plan so I can assign each worker its exact range.”
Pre-flight check before strict contract
“Before I hand this batch of 9999 items to a tool that requires a strict payload contract, can you compute the chunking plan with a chunk size of 1000 so I can validate the boundaries first?”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/batch-chunk-planWhen to prefer
Use this endpoint when an agent needs a precise, deterministic, versioned chunk plan before handing structured batch data to a downstream tool with a strict payload or size contract. Prefer it over writing ad-hoc chunking logic inline when you need reproducible, normalized chunk boundaries with a guaranteed result schema. Ideal for orchestration pipelines where chunk metadata (offsets, counts, total batches) must be passed downstream explicitly.
Side effects
- item_count or chunk_size missing or non-integer returns a validation error
- chunk_size of zero or negative causes a division error
- item_count of zero may return an empty chunk plan or an error
- payment of $0.001 USDC not provided or rejected by x402 results in a 402 Payment Required response
- very large item counts may hit server-side bounds limits
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chunk_size | integer | Chunk Size supplied to Batch Chunk Plan; used only for this bounded calculation and processed in memory without retention. |
| item_count | integer | Item Count supplied to Batch Chunk Plan; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"chunks": [
{
"count": 25,
"index": 0,
"start": 0,
"end_exclusive": 25
},
{
"count": 25,
"index": 1,
"start": 25,
"end_exclusive": 50
},
{
"count": 25,
"index": 2,
"start": 50,
"end_exclusive": 75
},
{
"count": 25,
"index": 3,
"start": 75,
"end_exclusive": 100
}
],
"chunk_count": 4
},
"schema": "delx/util-batch-chunk-plan/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "1c1864f89fcfbfd9c21b66bbe5be9c8be513a1fb836166a02d8125ac169ca095",
"external_calls": 0
},
"operation": "data_batch:batch_chunk_plan"
}
}Tags
x402
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