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Delx Sort Keys
x402
Delx Sort Keys 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).
Returns the keys of a JSON object sorted lexicographically, enabling deterministic/stable JSON key ordering for hashing and fingerprinting pipelines.
Price / call$0.001
Success—
StatusUnknown
How this service works
Return object keys sorted lexicographically for stable hashes — 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 c…
Output
Returns the input object's keys sorted in lexicographic (alphabetical) order as a deterministic, machine-readable JSON structure. The response enables downstream steps — such as stable hashing, signature computation, or cache key generation — to operate on a predictable, canonical key sequence regardless of the original insertion order.
Example use cases
Stable hash preflight for agent objects
“Before I compute the SHA-256 fingerprint of this config object, sort its keys alphabetically so the hash is consistent regardless of insertion order: {"timeout": 30, "endpoint": "https://api.example.com", "retries": 3}.”
Idempotency key generation pipeline
“I need to generate a stable idempotency key from this request payload — first sort its keys lexicographically so the JSON is canonical before I hash it: {"userId": "u_123", "amount": 50, "currency": "USD"}.”
Cache key normalization for API responses
“Normalize this object's key order alphabetically so I can use it as a deterministic cache key — the same object keeps arriving with shuffled keys: {"region": "us-east", "model": "gpt-4", "temperature": 0.7}.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/sort-keysWhen to prefer
Choose this endpoint when you need a lightweight, stateless, first-party utility to canonicalize JSON key order before hashing, signing, or cache-keying — especially as a preflight step in an agent pipeline that already uses other Delx micro-utils. Prefer it over custom sorting logic when you want a guaranteed lexicographic sort with no side effects, no data retention, and a predictable $0.001 USDC cost per call.
Side effects
- Missing or null 'object' field returns a validation error
- Non-object input (e.g. array or primitive) returns a type error
- Malformed JSON body returns a parse error
- Payment not provided or insufficient USDC balance returns a 402 Payment Required
- Empty object returns an empty key array (valid but trivial result)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| object | object | Input field: object. |
Output
Schema · Response
{
"type": "json",
"example": {
"keys": [
"a",
"b"
],
"count": 2,
"object": {
"a": 2,
"b": 1
},
"schema": "delx/util-sort-keys/v1"
}
}Tags
x402
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