---
title: "Place limit order"
method: POST
path: "/orders"
tags: ["Trading"]
---

# Place limit order

`POST /orders`

Creates a new limit order.

## Request body

- PlaceLimitOrderRequest
  - `market` string, required
  - `side` 'buy' | 'sell', required
  - `price` string, required — Limit price as a decimal string.
  - `quantity` string, required — Order quantity as a decimal string.
  - `time_in_force` 'GTC' | 'IOC' | 'FOK'
  - `client_order_id` string — Optional idempotency key. Auto-generated if omitted.

## Response `201`

Order created successfully.

- Order
  - `order_id` string
  - `client_order_id` string
  - `market` string
  - `side` 'buy' | 'sell'
  - `type` 'limit' | 'market' | 'stop_limit' | 'stop_market'
  - `price` string, nullable — Null for market orders.
  - `quantity` string
  - `filled` string
  - `remaining` string
  - `status` 'open' | 'partially_filled' | 'filled' | 'cancelled' | 'rejected'
  - `time_in_force` 'GTC' | 'IOC' | 'FOK'
  - `created_at` integer
  - `updated_at` integer
  - `cancelled_at` integer, nullable — Present when the order has been cancelled.

## Other responses

- `400` — Invalid request parameters.
- `401` — Missing or invalid authentication headers.
- `409` — Request conflicts with an existing resource.
- `429` — Rate limit exceeded.
- `503` — Service temporarily unavailable.

---

[API](https://skmtc.dev/altcointrader/apis/altcointrader-api.md) · [All operations](https://skmtc.dev/altcointrader/apis/altcointrader-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/altcointrader/altcointrader-api/revisions/fcbbd5bcd699/schema)