Place an Order

The method POST /orders enables you to place a buy or sell order. Both Limit and Market orders are available.

HTTP Request

You must specify the following authorization parameters in your request:

Parameter	Description	Required
`key`	See the section, Authentication	Yes
`signature`	See the section, Authentication	Yes
`nonce`	See the section, Authentication	Yes

Body parameters must be JSON encoded and precisely the same as the JSON payload used to construct the signature:

Parameter	Description	Required
`book`	The book to use.	Yes
`major`	The amount in the major currency for the order. - Limit Orders: Required. You must always specify the amount using `major`. - Market Orders: Optional. You may specify the amount using either `major` or `minor`, but not both. If both are provided, the request will be rejected.	No
`minor`	The amount in the minor currency for the order. - Limit Orders: Not supported. Do not use `minor` when placing Limit Orders. - Market Orders: Optional. You may specify the amount using either `major` or `minor`, but not both.	No
`origin_id`	The order's client-supplied, unique ID (if any). Valid character set: `a` to `z` (lower and uppercase), `0` to `9`, underscore, `_`, and dash, `-`. Maximum length = 40 characters.	No
`price`	The price per unit of major. Use this parameter only with Limit Orders. The rounding algorithm considers only eight decimal places, rounding up to the nearest price when selling and down when buying.	No
`side`	The order's side. Valid values: `buy` and `sell`.	Yes
`stop`	The price per unit of major at which to stop and place the order. Use this parameter only with Stop Orders.	No
`time_in_force`	The period a Limit Order remains active before it is executed or expires. Valid values: `goodtillcancelled`, `fillorkill`, `immediateorcancel`, and `postonly`.	No
`type`	The order's type. Valid values: `market` and `limit`.	Yes

The endpoint returns a JSON object representing the order. This object includes the following field:

Field Name	Description	Type
`oid`	The order's unique ID.	String

The following response object exemplifies the JSON object returned:

{
    "success": true,
    "payload": {
        "oid": "qlbga6b600n3xta7"
    }
}