Example inputPOST /api/v1/x402/notional
{
"price": 2500,
"size": 0.4
}Portable intent card · commercial-operations
Position Notional API for agents
Notional value = mark price × size for sizing and risk. Call when risk engines that need exposure before leverage math. Returns notional quote value as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, 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/notional -m POST -H 'x-delx-source: intent-card-notional-api' --max-amount 0.001 -b '{"price":2500,"size":0.4}'Agent discoverydelx/intent-card/v1
{
"intent": "Position Notional for an agent workflow",
"tool_name": "util_notional",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/notional-api.json"
}Portable and inspectable