Example inputPOST /api/v1/x402/is-json-arr
{
"value": [
1,
2
]
}
Portable intent card · data-quality
Check whether value is a JSON array. Call when you validate agent payloads before list ops. Returns boolean result 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.
Intent to transaction
The source header follows this discovery route through challenge, payment and delivery without exposing the buyer or request body.
npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/is-json-arr -m POST -H 'x-delx-source: intent-card-is-json-arr-api' --max-amount 0.001 -b '{"value":[1,2]}'
{
"value": [
1,
2
]
}
{
"intent": "Is JSON Array for an agent workflow",
"tool_name": "util_is_json_arr",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/is-json-arr-api.json"
}
Portable and inspectable