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Toss Invest

Use the Toss Securities Open API

Order → Create

AI-generated

Summary

Submits an order to Toss Invest for the selected account and returns the API response. Choose quantity-based orders for whole-share limit or market orders, or amount-based market orders for the US market.

Inputs

  • Account Sequence — Account sequence from Account > Get Many. Leave empty to use the credential default; one must be available.
  • Order Mode — Choose Quantity Based or Amount Based (US Market Only). Defaults to quantity-based.
  • Client Order ID — Optional idempotency key, up to 36 characters using letters, numbers, dashes, or underscores.
  • Symbol (required) — Symbol to order, such as 005930.
  • Side — Buy or sell; defaults to Buy.
  • Order Type — For quantity-based orders, choose Limit or Market; defaults to Limit.
  • Time In Force — For quantity-based orders, choose Day or At the Close. At the Close is documented as supported for US limit orders; defaults to Day.
  • Quantity (required) — Whole-share quantity for quantity-based orders.
  • Order Amount (required) — Dollar amount for US amount-based market orders. The source forces this mode to MARKET.
  • Price (required) — Limit price; must match the market tick size. The source includes it only when non-empty.
  • Confirm High Value Order — Whether to confirm orders worth KRW 100,000,000 or more; defaults to false.

Output shape

A single item per input item, with the Toss Invest API response as its JSON body.

Creates the order with a POST request. With Continue On Fail enabled, errors are returned as an item containing an error message; otherwise API errors are raised.

Examples

Example 1: Submitting a limit order

Choose Quantity Based, provide the symbol, side, whole-share quantity, limit price, and time in force. Ensure the account sequence is available in the node or credentials.

Example 2: Submitting a US amount-based order

Choose Amount Based, provide the US symbol, side, and dollar amount. The request is submitted as a market order.

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