MT5 — Orders

Place an order

POST /api/external/instances/{accountId}/orders

Field	Type	Required	Notes
`symbol`	string	✅	e.g. `EURUSD`
`type`	enum	✅	`BUY`, `SELL`, `BUY_LIMIT`, `SELL_LIMIT`, `BUY_STOP`, `SELL_STOP`, `BUY_STOP_LIMIT`, `SELL_STOP_LIMIT`, exactly as written. Anything else (`sell`, `Sell`, `ORDER_TYPE_SELL`) is rejected with `400`
`volume`	number	✅	Lots
`price`	number		Required for limit/stop orders
`sl`	number		Stop-loss price
`tp`	number		Take-profit price
`deviation`	integer		Max slippage in points, `0` or more. Omitted uses 50
`comment`	string		Order comment

# Market buy
curl -s -X POST "$ATLAS_BASE_URL/api/external/instances/5012345/orders" \
  -H "Authorization: Bearer $ATLAS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "symbol": "EURUSD", "type": "BUY", "volume": 0.10, "sl": 1.08000, "tp": 1.09000 }'

# Pending buy-limit at 1.0800
curl -s -X POST "$ATLAS_BASE_URL/api/external/instances/5012345/orders" \
  -H "Authorization: Bearer $ATLAS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "symbol": "EURUSD", "type": "BUY_LIMIT", "volume": 0.10, "price": 1.08000 }'

Response (201):

{
  "success": true,
  "data": { "ticket": 123456789, "symbol": "EURUSD", "type": "BUY", "volume": 0.10, "price": 1.08431, "sl": 1.08000, "tp": 1.09000 }
}

List pending orders

GET /api/external/instances/{accountId}/orders

curl -s "$ATLAS_BASE_URL/api/external/instances/5012345/orders" \
  -H "Authorization: Bearer $ATLAS_API_KEY"

Cancel a pending order

DELETE /api/external/instances/{accountId}/orders/{ticket}

curl -s -X DELETE "$ATLAS_BASE_URL/api/external/instances/5012345/orders/123456789" \
  -H "Authorization: Bearer $ATLAS_API_KEY"