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Delx Text Chunk Plan
x402
Delx Text Chunk Plan is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-13).
Plans overlapping character-based chunks for RAG ingestion from caller-supplied text, returning deterministic chunk boundary metadata without storing the input
Price / call$0.003
Success—
StatusUnknown
How this service works
Plan overlapping character chunks for RAG without storing the text — call when planning overlapping character chunks for RAG prep. Use on text/URLs the agent already holds—adjacent to high-volume extract demand, never advertised as general web or X search. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim of live chain tip, web search, or media gen…
Output
Returns a deterministic JSON object describing the planned chunk boundaries, number of chunks, character offsets, and overlap windows for the supplied text — no text is stored and no upstream services are called.
Example use cases
RAG prep for long document
“I have this research paper text — can you plan out the chunk boundaries using 1024 characters per chunk with 128 characters of overlap so I can figure out how to split it before embedding?”
Optimizing overlap for dense text
“Help me plan how to chunk this legal contract into 800-character pieces with 100 characters of overlap — I want to see the chunk plan before I actually index anything.”
Validating chunking strategy for small corpus
“Before I run my ingestion pipeline, plan the character chunks for this blog post using 256-character chunks and 32-character overlap so I can verify the segmentation makes sense.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/text-chunk-planWhen to prefer
Use this endpoint when you already hold the text in memory and need a deterministic, stateless chunk plan for RAG ingestion — especially when you want to preview or validate chunking parameters before committing to an embedding pipeline. Prefer this over general-purpose text-splitting libraries when you need a machine-readable JSON plan via API with guaranteed no data retention, and when cost per call ($0.003 USDC) is acceptable for planning workloads.
Side effects
- Text missing or empty — returns error indicating required field
- chunk_size out of range (must be 1–20000) — returns validation error
- overlap equals or exceeds chunk_size — returns validation error
- Payment not included or insufficient — x402 payment required error
- Very large text with tiny chunk_size may exceed processing limits
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | UTF-8 text to encode, chunk, index, or analyze (caller-supplied only). |
| overlap | number | Characters of overlap between consecutive chunks (0 .. chunk_size-1). |
| chunk_size | number | Characters per chunk (1–20000); example uses small sizes for demos. |
Output
Schema · Response
{
"type": "json",
"example": {
"chunks": [
{
"end": 4,
"chars": 4,
"index": 0,
"start": 0
},
{
"end": 7,
"chars": 4,
"index": 1,
"start": 3
},
{
"end": 10,
"chars": 4,
"index": 2,
"start": 6
}
],
"schema": "delx/util-text-chunk-plan/v1",
"overlap": 1,
"truncated": false,
"chunk_size": 4,
"text_chars": 10,
"chunk_count": 3
}
}Tags
x402
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