InputPOST /api/v1/x402/json-unique-fields-check
{
"items": [
{
"id": 1,
"region": "us"
},
{
"id": 2,
"region": "us"
}
],
"fields": [
"id",
"region"
]
}Agent data quality · data-quality
JSON Unique Fields Check
JSON Unique Fields Check: JSON Unique Fields Check finds duplicate composite keys across object rows from bounded caller-supplied values without an external provider. Call JSON Unique Fields Check 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 JSON Unique Fields Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base. First-party, stateless, memory-only execution with no paid upstream, live RPC, web search, credentials, custody, signing, media generator, or input retention. Honest limit: Processes bounded caller-supplied data in memory only; it performs no file fetch, database write, code execution, or retention. Advisory output only; the buyer owns authorization, payment policy, and production decisions.
One-command purchase
Run it from an agent.
No account or API key. AgentCash reads the 402 challenge, pays no more than the declared cap, retries the request and returns the result.
npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/json-unique-fields-check -m POST -H 'x-delx-source: product-page' --max-amount 0.001 -b '{"items":[{"id":1,"region":"us"},{"id":2,"region":"us"}],"fields":["id","region"]}'Delivered resultapplication/json
{
"schema": "delx/util-json-unique-fields-check/v1",
"operation": "data_batch:json_unique_fields_check",
"status": "pass",
"result": {
"duplicate_indices": [],
"unique": true
},
"evidence": {
"input_sha256": "9add83ab55b011d3994b700af703d6cc08072afb22cf6873ea05add8e1af633e",
"retained": false,
"external_calls": 0
}
}Machine-readable evidence