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Delx Commerce — Basis Points Calculator
x402
Delx Commerce — Basis Points Calculator is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Computes the basis percentage (spread) between a spot price and a futures price for a given asset
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
Returns a JSON object containing the original spot and futures prices echoed back, the schema identifier (delx/util-basis-pct/v1), and the computed basis_pct as a floating-point number representing the percentage difference of the futures price relative to the spot price. For example, spot=100, future=101.5 yields basis_pct=1.5.
Example use cases
Crypto futures basis monitoring
“I'm tracking BTC basis — spot is currently 65200 and the quarterly futures are trading at 66150. What's the basis percentage?”
Arbitrage opportunity sizing
“I want to know the basis between ETH spot at 3400 and the monthly futures contract at 3358 — give me the exact basis percentage so I can size my cash-and-carry trade.”
Contango versus backwardation check
“Gold spot is 2300 and the 3-month futures are at 2324. Can you calculate the basis percentage to tell me how much contango we're in?”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/basis-pct?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, cheap, deterministic computation of basis percentage between two price levels — especially in an agentic pipeline that already uses USDC on-chain micropayments via x402. Ideal when you want verifiable, pay-per-result pricing with no subscription or signup overhead. Prefer over building your own formula when auditability and on-chain payment receipts matter.
Side effects
- Missing required fields (spot or future) returns a 4xx error
- Spot value of zero causes division-by-zero or undefined behavior
- Non-numeric input types cause schema validation failures
- Payment failure over x402 protocol blocks the request before computation
- Negative prices may produce unexpected or undefined results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| spot | integer | Input field: spot. |
| future | number | Input field: future. |
Output
Schema · Response
{
"type": "json",
"example": {
"spot": 100,
"future": 101.5,
"schema": "delx/util-basis-pct/v1",
"basis_pct": 1.5
}
}Tags
x402
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