InputPOST /api/v1/x402/arr-nth
{
"items": [
"a",
"b",
"c"
],
"index": 1
}
Agent data quality · data-quality
Return the element at index. Call when you pick a specific agent-held array slot with bounds check. Returns value, index, ok for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.
One-command purchase
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/arr-nth -m POST -H 'x-delx-source: product-page' --max-amount 0.001 -b '{"items":["a","b","c"],"index":1}'
{
"items": [
"a",
"b",
"c"
],
"index": 1
}
{
"schema": "delx/util-arr-nth/v1",
"value": "b",
"index": 1,
"ok": true
}
Machine-readable evidence