## ace{docsify-ignore}
**Kind**: global class
**Extends**: Exchange
* [fetchMarkets](#fetchmarkets)
* [fetchTicker](#fetchticker)
* [fetchTickers](#fetchtickers)
* [fetchOrderBook](#fetchorderbook)
* [fetchOHLCV](#fetchohlcv)
* [createOrder](#createorder)
* [cancelOrder](#cancelorder)
* [fetchOrder](#fetchorder)
* [fetchOpenOrders](#fetchopenorders)
* [fetchOrderTrades](#fetchordertrades)
* [fetchMyTrades](#fetchmytrades)
* [fetchBalance](#fetchbalance)
### fetchMarkets{docsify-ignore}
retrieves data on all markets for ace
**Kind**: instance method of [ace
](#ace)
**Returns**: Array<object>
- an array of objects representing market data
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#oapi-api---market-pair
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchMarkets ([params])
```
### fetchTicker{docsify-ignore}
fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
**Kind**: instance method of [ace
](#ace)
**Returns**: object
- a [ticker structure](https://docs.ccxt.com/#/?id=ticker-structure)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#oapi-api---trade-data
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the ticker for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchTicker (symbol[, params])
```
### fetchTickers{docsify-ignore}
fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
**Kind**: instance method of [ace
](#ace)
**Returns**: object
- a dictionary of [ticker structures](https://docs.ccxt.com/#/?id=ticker-structure)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#oapi-api---trade-data
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
, undefined
| Yes | unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchTickers (symbols[, params])
```
### fetchOrderBook{docsify-ignore}
fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
**Kind**: instance method of [ace
](#ace)
**Returns**: object
- A dictionary of [order book structures](https://docs.ccxt.com/#/?id=order-book-structure) indexed by market symbols
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---order-books
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the order book for |
| limit | int
| No | the maximum amount of order book entries to return |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchOrderBook (symbol[, limit, params])
```
### fetchOHLCV{docsify-ignore}
fetches historical candlestick data containing the open, high, low, and close price, and the volume of a market
**Kind**: instance method of [ace
](#ace)
**Returns**: Array<Array<int>>
- A list of candles ordered as timestamp, open, high, low, close, volume
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---klinecandlestick-data
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch OHLCV data for |
| timeframe | string
| Yes | the length of time each candle represents |
| since | int
| No | timestamp in ms of the earliest candle to fetch |
| limit | int
| No | the maximum amount of candles to fetch |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchOHLCV (symbol, timeframe[, since, limit, params])
```
### createOrder{docsify-ignore}
create a trade order
**Kind**: instance method of [ace
](#ace)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---new-order
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to create an order in |
| type | string
| Yes | 'market' or 'limit' |
| side | string
| Yes | 'buy' or 'sell' |
| amount | float
| Yes | how much of currency you want to trade in units of base currency |
| price | float
| No | the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.createOrder (symbol, type, side, amount[, price, params])
```
### cancelOrder{docsify-ignore}
cancels an open order
**Kind**: instance method of [ace
](#ace)
**Returns**: object
- An [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---cancel-order
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | order id |
| symbol | string
| Yes | unified symbol of the market the order was made in |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.cancelOrder (id, symbol[, params])
```
### fetchOrder{docsify-ignore}
fetches information on an order made by the user
**Kind**: instance method of [ace
](#ace)
**Returns**: object
- An [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---order-status
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | the order id |
| symbol | string
| Yes | unified symbol of the market the order was made in |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchOrder (id, symbol[, params])
```
### fetchOpenOrders{docsify-ignore}
fetch all unfilled currently open orders
**Kind**: instance method of [ace
](#ace)
**Returns**: Array<Order>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---order-list
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the market orders were made in |
| since | int
| No | the earliest time in ms to fetch orders for |
| limit | int
| No | the maximum number of order structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchOpenOrders (symbol[, since, limit, params])
```
### fetchOrderTrades{docsify-ignore}
fetch all the trades made from a single order
**Kind**: instance method of [ace
](#ace)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=trade-structure)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---order-history
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | order id |
| symbol | string
| Yes | unified market symbol |
| since | int
| No | the earliest time in ms to fetch trades for |
| limit | int
| No | the maximum number of trades to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchOrderTrades (id, symbol[, since, limit, params])
```
### fetchMyTrades{docsify-ignore}
fetch all trades made by the user
**Kind**: instance method of [ace
](#ace)
**Returns**: Array<Trade>
- a list of [trade structures](https://docs.ccxt.com/#/?id=public-trades)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---trade-list
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch trades for |
| since | int
| No | timestamp in ms of the earliest trade to fetch |
| limit | int
| No | the maximum amount of trades to fetch |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchMyTrades (symbol[, since, limit, params])
```
### fetchBalance{docsify-ignore}
query for balance and get the amount of funds available for trading or funds locked in orders
**Kind**: instance method of [ace
](#ace)
**Returns**: object
- a [balance structure](https://docs.ccxt.com/#/?id=balance-structure)
**See**: https://github.com/ace-exchange/ace-official-api-docs/blob/master/api_v2.md#open-api---account-balance
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
ace.fetchBalance ([params])
```