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Nexus/API Reference/Futures

Close a futures position, or flatten the account

POSThttps://app.skylit.ai/api/nexus/v1/trading/accounts/{account}/close

Send ticker to close one position at market, or "closeAll": true to flatten every position in the account. Not both. A close works on a quiet price, and it's the same close as the Flatten button in Nexus.

Nothing to close answers 200 with an empty closed list and meta.nothingToClose: true. If closeAll closes some positions and fails on one, the error says how many closed and which is still open. Send it again (with a new clientOrderId if you sent one). A repeated closeAll id returns what already closed, plus meta.stillOpen if anything is.

Authorization

Authorization: Bearer <your API key>

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

Path parameters

  • accountstringrequired

    practice, evaluation or funded (when you have exactly one running), or a futures account id from capabilities.

Headers

  • Idempotency-Keystring

    Your clientOrderId, as a header instead of a body field. If you send both they must match.

Request body

  • tickerstring

    The position to close, like NQ or NQZ26.

  • closeAllboolean

    true flattens every position in the account.

  • clientOrderIdstring

    Your own id for safe retries.

  • testboolean

    true previews the close against what the account really holds, and places nothing.

Responses

  • 200

    What closed.

  • 400

    The request was refused before anything was traded. Codes: bad_request, bad_contract, invalid_quantity, invalid_price, unsupported_asset_class, unsupported_order_type, only_market_orders, test_orders_unavailable, test_modify_unavailable.

  • 401

    No key, or a key that isn't valid. Codes: missing_api_key, invalid_api_key.

  • 403

    The key works but the account can't do this. Codes: account_suspended, nexus_access_denied, futures_access_denied.

  • 404

    Not on your account. Codes: trade_not_found, account_not_found, order_not_found.

  • 409

    The order clashes with what you hold or sent before. Codes: duplicate_position (with tradeId), trade_closed, open_position_limit, client_order_id_used, request_in_progress, account_locked, account_busy, account_ended, order_not_working.

  • 422

    Read fine, but the market or the account says no. Codes: market_closed, contract_expired, contract_not_offered, price_outside_market, insufficient_buying_power, account_not_tradable, account_ambiguous, reduce_only_would_open, order_refused.

  • 429

    Over a rate limit. Wait Retry-After seconds, then retry. Code: rate_limited.

  • 500

    Something went wrong on our side. If you sent a clientOrderId, retry with the same one. Code: internal_error.

  • 503

    Try again in a moment (honour Retry-After when it's sent). Codes: stale_quote, no_live_price, rules_pending, unavailable, auth_unavailable, access_check_unavailable, api_keys_unavailable, trades_api_disabled.

Response fields

  • dataobject
    • accountobject
    • closedobject[]
  • metaobject

    Extra facts about an order. Each field is there only when it applies.

    • fillobject

      The fill: price, priceSource (market or client), and when you sent a price, the bid and ask it was checked against. On an exit, quantity is how many sold.

    • clientOrderIdstring
    • idempotentReplayboolean

      This answer is a repeat of an earlier order with the same clientOrderId.

    • testboolean

      A test order: nothing was placed.

    • notCheckedstring[]

      Futures test orders: what the preview couldn't check, like account_rules_judgment or bracket_netting.

    • discordRoutingobject

      Where Nexus routed the trade to Discord, when it did.

    • nothingToCloseboolean
    • stillOpenstring[]

      A repeated closeAll: positions still open.

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