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Delx String Trunc
x402
Delx String Trunc is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Truncates a string to a specified maximum character length, optionally appending an ellipsis suffix
Price / call$0.001
Success—
StatusUnknown
How this service works
Truncate a string to max_chars with optional ellipsis — first-party local utility for agent preflight and proven micro-utils expansion. Returns deterministic machine-readable JSON for $0.001 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, no web search, no live RPC, and no mediagen. Results are advisory; the caller owns authorization, budgets, and production controls. Sibling of Delx routes that already converted…
Output
A deterministic JSON object containing the truncated string result — the input text clipped at max_chars characters, with the optional ellipsis appended if truncation occurred. The response is machine-readable, stateless, and consistent for identical inputs.
Example use cases
Clip UI label to character budget
“I need to shorten the string 'Quarterly Revenue Report for North America — Q4 2024 Final Draft' to at most 50 characters and append '…' if it was cut.”
Preflight text length enforcement
“Before I send this notification message to the push service, trim it down to 160 characters max — add '...' if it's longer. The text is: 'Your order #98432 has been confirmed and is now being prepared by our warehouse team. Estimated delivery is Thursday, January 16th between 2–6 PM.'”
Truncate agent log entry for storage
“Cut this log line to 120 characters with no ellipsis: 'AgentRun[abc123] completed task classify_sentiment on input payload {text: "I love this product but shipping was slow"} in 340ms with result POSITIVE.'”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/string-truncWhen to prefer
Choose this endpoint when you need a deterministic, stateless, zero-dependency string truncation in an agent pipeline — especially during preflight formatting steps, payload preparation, or when enforcing character limits on dynamic text before display, storage, or transport. Prefer it over in-code string slicing when you want a consistent, billable, auditable micro-utility call with JSON output that integrates cleanly into x402-based agentic workflows.
Side effects
- Missing required fields (text or max_chars) return a validation error
- max_chars of zero or negative may return an error or empty string
- Payment failure via x402 protocol returns a 402 status with payment details
- Malformed JSON body returns a 400 error
- Very large input strings may hit request size limits
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Input field: text. |
| ellipsis | string | Input field: ellipsis. |
| max_chars | integer | Input field: max chars. |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"result": "abcdefghi…",
"schema": "delx/util-string-trunc/v1",
"max_chars": 10,
"truncated": true,
"original_chars": 26
}
}Tags
x402
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