Example inputPOST /api/v1/x402/is-float-str
{
"text": "12.5"
}
Portable intent card · data-quality
Check whether a string is a float. Call when you validate decimal form fields before parse. Returns valid boolean 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-float-str -m POST -H 'x-delx-source: intent-card-is-float-str-api' --max-amount 0.001 -b '{"text":"12.5"}'
{
"text": "12.5"
}
{
"intent": "Is Float String for an agent workflow",
"tool_name": "util_is_float_str",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/is-float-str-api.json"
}
Portable and inspectable