GET
/api/v1/options/{underlying}/term-structureStandard tier+ · 300 req/minATM implied volatility per expiry — the term-structure curve.
ATM is resolved per expiry as the strike nearest to the latest snapshot's underlying price. Upward slope (contango) = calm spot / uncertain future; downward (backwardation) = near-term stress expected to fade.
Path parameters
Segments of the URL path, validated server-side.
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| underlying | enum | required | — | BTC or ETH. BTCETH |
Query parameters
This endpoint takes no query parameters.
Response shape
Always wrapped in the standard envelope. Nullable fields are explicitly marked — treat missing numeric data as a real data-source gap, not as an error.
data payloadtypescript
// Wrapped in the standard envelope:
// {
// data: /* shape below */,
// meta?: { total?: number; limit?: number; offset?: number; ... }
// }
{ underlying, asOf, underlyingPrice, points: Array<{ expiry, expiryMs, dte, atmStrike, atmIv }> }Example
Copy the curl, replace YOUR_KEY with a real key from your dashboard, and run.
Requestbash
curl -sS "http://localhost:3000/api/v1/options/BTC/term-structure"Responsejson
{ "data": { "underlying": "BTC", "asOf": 1744834800000, "underlyingPrice": 63150, "points": [] }, "meta": { "total": 0 } }Next
Check the error code reference, or get an API key to try the request against your own account.