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Flowseeker/API Reference/Underlying

List underlyings active on a date

GEThttps://flow-api.skylit.ai/v1/underlying

Lists every ticker that traded options on the requested date, ordered by total premium (descending). Useful as a starting point for discovery or for repopulating the universe of tradable tickers.

Authorization

Authorization: Bearer <your API key>

Required. A missing header returns 401; an invalid, revoked or expired key returns 403.

Query parameters

  • limitintegerdefault 100min 1 · max 500

    Maximum rows to return. Server caps at 500.

  • datestringdate

    Trading date the request targets, in YYYY-MM-DD. Defaults to the current trading date (the most recent session that has settled enough data to be queryable).

  • min_premiumnumberdoublemin 0

    Minimum total premium (USD) for the day.

  • min_volumeintegermin 0

    Minimum total option volume for the day.

Responses

  • 200

    Tickers ranked by total premium.

  • 400

    Request validation failed.

  • 401

    Missing or invalid API key.

  • 402

    The account's shared Skylit credit balance is lower than this route's cost. Top up to continue. Carries X-Credits-Remaining: 0.

  • 403

    API key invalid, revoked or expired, or the account's API access is suspended (account_suspended).

  • 429

    Per-minute rate limit exceeded.

Response fields

  • dataobject[]required
    • tickerstringrequired
    • totalPremiumnumberdoublerequired

      Total premium (USD) across all option trades on the day.

    • totalVolumeintegerrequired

      Total option contracts traded.

  • metaobjectrequired
    • timestampstringdate-timerequired

      Server-side timestamp the response was generated at.

    • requestIdstringrequired

      Short opaque ID for log correlation.

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