Example inputPOST /api/v1/x402/basis-annualize
{
"future": 101,
"spot": 100,
"days": 30
}Portable intent card · commercial-operations
Basis Annualize API for agents
Annualize futures-spot basis percent. Call when carry trades need annualized basis from raw premium. Returns basis_apr 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/basis-annualize -m POST -H 'x-delx-source: intent-card-basis-annualize-api' --max-amount 0.001 -b '{"future":101,"spot":100,"days":30}'Agent discoverydelx/intent-card/v1
{
"intent": "Basis Annualize for an agent workflow",
"tool_name": "util_basis_annualize",
"price_usdc": "0.001",
"machine_url": "https://commerce.delx.ai/intents/basis-annualize-api.json"
}Portable and inspectable