{
    "resultType": "rejectOrder",
    "data": {
        "statusCode": 400,
        "body": "Post-only order rejected as it would have matched immediately",
        "order": {
            "userId": "5f5a019e-4ae3-4aae-8a15-964b072999e5",
            "orderId": "01JGPRJC7KHY8GP4FT6WRQG193",
            "market": "BTC-USD",
            "orderType": "sell",
            "tradeType": "limit",
            "orderStatus": "active",
            "price": "98491.86060236",
            "quantity": "15.83767529",
            "leverage": "1",
            "updatedAt": 1735930754142,
            "createdAt": 1735930753267
        },
        "clientRequestId": "b9fe6677-12c3-4d43-894c-370236b94023"
    },
    "connectionId": "H8D-KebFiYcCJvA="
}

This message applies to post-only orders that would have matched immediately. When a post-only order is rejected, the order is not placed on the order book.

​
URL

This stream can be subscribed per market and you will need to pass in the market in the URL query. See below.

​
Query params

​
market
string
required

Example value: ETH-USD. To get all supported markets, call /api/v1/markets endpoint.

​
Headers

See Authorization section on how to retrieve authorization token. Once token is received, set Sec-WebSocket-Protocol headers in the WebSocket handshake request or on connect().

​
Sec-WebSocket-Protocol
string
required

Example value (authorization token) :

authorization#eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdGFnaW5nLmZ1bmdpYmxlLnh5eiIsInN1YiI6ImQxM2I1MzBmLWFmNzMtNDBmOS04ZjhlLWVkNzk1OTU3YTU3ZiIsImF1ZCI6WyJzdGFnaW5nLWFwcC5mdW5naWJsZS54eXoiXSwiZXhwIjoxNzAzMzA1NzQwLCJpYXQiOjE3MDMzMDM5NDB9.vsHe4G_yEkRfz8XNoTKcX83udA-LUysWD4q80wfCC8k

{
    "resultType": "rejectOrder",
    "data": {
        "statusCode": 400,
        "body": "Post-only order rejected as it would have matched immediately",
        "order": {
            "userId": "5f5a019e-4ae3-4aae-8a15-964b072999e5",
            "orderId": "01JGPRJC7KHY8GP4FT6WRQG193",
            "market": "BTC-USD",
            "orderType": "sell",
            "tradeType": "limit",
            "orderStatus": "active",
            "price": "98491.86060236",
            "quantity": "15.83767529",
            "leverage": "1",
            "updatedAt": 1735930754142,
            "createdAt": 1735930753267
        },
        "clientRequestId": "b9fe6677-12c3-4d43-894c-370236b94023"
    },
    "connectionId": "H8D-KebFiYcCJvA="
}