Example inputPOST /api/v1/x402/sign-n
{
"value": -2
}Portable intent card · agent-ops-math
Sign N API for agents
Sign of a number (-1, 0, 1). Call when you branch agent logic on direction without float noise. Returns sign and original value 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
One command, attributed.
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/sign-n -m POST -H 'x-delx-source: intent-card-sign-n-api' --max-amount 0.001 -b '{"value":-2}'Agent discoverydelx/intent-card/v1
{
"intent": "Sign N for an agent workflow",
"tool_name": "util_sign_n",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/sign-n-api.json"
}Portable and inspectable