Spot trading

Base URL for all endpoints in this module: https://open.coinmy.com/spot/open
Full URL = {baseurl}{requestPath}, e.g. https://open.coinmy.com/spot/open/sapi/v1/order.
When signing, requestPath must be /sapi/v1/... only — do not include the gateway prefix /spot/open. See General information → Signed endpoints.

General

Security: NONE

Endpoints below require no API key or signature.

Test connectivity

GET /sapi/v1/ping

Checks REST API connectivity.

200

json

{}

Server time

GET /sapi/v1/time

Returns server time. Call once before placing orders to align your local clock.

200

json

{
    "timezone": "GMT+08:00",
    "serverTime": 1595563624731
}

Symbols

GET /sapi/v1/symbols

Lists tradable symbols with precision and minimum-size metadata.

200

json

{
    "symbols": [
        {
            "symbol": "btcusdt",
            "baseAsset": "BTC",
            "quoteAsset": "USDT",
            "pricePrecision": 2,
            "quantityPrecision": 8,
            "limitPriceMin": "0.01",
            "limitVolumeMin": "0.0001",
            "marketBuyMin": "10",
            "marketSellMin": "0.0001"
        }
    ]
}

Response

Field	Type	Example	Description
symbol	string	`btcusdt`	Symbol (lowercase)
baseAsset	string	`BTC`	Base asset
quoteAsset	string	`USDT`	Quote asset
pricePrecision	integer	`2`	Price decimals
quantityPrecision	integer	`8`	Quantity decimals
limitPriceMin	string	`0.01`	Min price tick for limit orders
limitVolumeMin	string	`0.0001`	Min size for limit orders
marketBuyMin	string	`10`	Min notional for market buy (quote)
marketSellMin	string	`0.0001`	Min size for market sell

Market data

Security: NONE

Market endpoints below require no API key or signature.

Order book depth

GET /sapi/v1/depth

Query parameters

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
limit	integer	Default 100; max 100

200

json

{
  "time": 1595563624731,
  "bids": [
    ["3.90000000", "431.00000000"],
    ["4.00000000", "431.00000000"]
  ],
  "asks": [
    ["4.00000200", "12.00000000"],
    ["5.10000000", "28.00000000"]
  ]
}

Each level is [price, quantity], sorted best price first.

24h ticker

GET /sapi/v1/ticker

24-hour rolling statistics.

Query parameters

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`

200

json

{
    "high": "9279.0301",
    "vol": "1302",
    "last": "9200",
    "low": "9279.0301",
    "rose": "0",
    "time": 1595563624731
}

Response

Field	Type	Description
time	long	Timestamp (ms)
high	string	High
low	string	Low
last	string	Last price
vol	string	24h volume
rose	string	24h change

Recent trades

GET /sapi/v1/trades

Query parameters

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
limit	integer	Default 200

200

json

[
    {
        "price": "3.00000100",
        "qty": "11.00000000",
        "time": 1499865549590,
        "side": "BUY"
    }
]

Response

Field	Type	Description
price	string	Trade price
qty	string	Quantity
time	long	Trade time (ms)
side	string	Aggressor side, `BUY`/`SELL`

K-lines / candles

GET /sapi/v1/klines

Query parameters

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
interval*	string	One of `1min`, `5min`, `15min`, `30min`, `60min`, `1day`, `1week`, `1month`
limit	integer	Default 100; max 300

200

json

[
    {
        "idx": 1594640340,
        "open": "6228.77",
        "close": "6228.77",
        "high": "6228.77",
        "low": "6228.77",
        "vol": "111"
    }
]

Response

Field	Type	Description
idx	long	Open time (seconds)
open	string	Open
close	string	Close
high	string	High
low	string	Low
vol	string	Volume

Trading

Security: TRADE

Trading endpoints require API key + signature. Every endpoint below requires the same headers; we don't repeat them in each section.

Header	Type	Description
X-CH-APIKEY*	string	API key
X-CH-TS*	string	Timestamp (ms)
X-CH-SIGN*	string	HMAC-SHA256 hex
Content-Type*	string	`application/json`

Place order

POST /sapi/v1/order

Rate limit: 100 req / 2s

Request body

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
volume*	number	Order quantity
side*	string	`BUY` / `SELL`
type*	string	`LIMIT` / `MARKET`
price	number	Required for `LIMIT` orders
newClientOrderId	string	Client order id (you must keep it unique)
recvWindow	integer	Recv window (ms)

200

json

{
    "symbol": "LXTUSDT",
    "orderId": "150695552109032492",
    "clientOrderId": "157371322565051",
    "transactTime": "1573713225668",
    "price": "0.005452",
    "origQty": "110",
    "executedQty": "0",
    "status": "NEW",
    "type": "LIMIT",
    "side": "SELL"
}

Response

Field	Type	Description
orderId	string	System order id
clientOrderId	string	Client order id
symbol	string	Symbol
transactTime	string	Create time (ms)
price	string	Price
origQty	string	Order quantity
executedQty	string	Filled quantity
type	string	`LIMIT` / `MARKET`
side	string	`BUY` / `SELL`
status	string	`NEW` / `PARTIALLY_FILLED` / `FILLED` / `CANCELED` / `REJECTED`

Test new order

POST /sapi/v1/order/test

Same parameters as POST /sapi/v1/order but the order is not sent to the matching engine. Use it to validate signatures and parameters.

200

json

{}

Cancel order

POST /sapi/v1/cancel

Rate limit: 100 req / 2s

Request body

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
orderId*	string	Order id
newClientOrderId	string	Client order id

200

json

{
    "symbol": "BHTUSDT",
    "clientOrderId": "0",
    "orderId": "499890200602846976",
    "status": "CANCELED"
}

Batch place

POST /sapi/v1/batchOrders

Rate limit: 50 req / 2s; max 10 orders per batch

Request body

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
orders*	array	Array of orders, max 10

orders[] fields

Field	Type	Description
price	number	Price (required for `LIMIT`)
volume	number	Quantity
side	string	`BUY` / `SELL`
batchType	string	`LIMIT` / `MARKET`
newClientOrderId	string	Per-order client id (optional)

200

json

{
    "ids": [
        "165964665990709251",
        "165964665990709252",
        "165964665990709253"
    ]
}

Batch cancel

POST /sapi/v1/batchCancel

Rate limit: 50 req / 2s; max 10 orders per call

Request body

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
orderIds*	array	Order ids, e.g. `[123, 456]`

200

json

{
    "success": ["165964665990709251", "165964665990709252"],
    "failed":  ["165964665990709250"]
}

Items in failed typically didn't exist or had reached a terminal state (FILLED / CANCELED).

Query order

GET /sapi/v1/order

Rate limit: 20 req / 2s

Query parameters

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
orderId*	string	Order id
newClientOrderId	string	Client order id

200

json

{
    "orderId": "499890200602846976",
    "clientOrderId": "157432755564968",
    "symbol": "BHTUSDT",
    "price": "0.01",
    "origQty": "50",
    "executedQty": "0",
    "avgPrice": "0",
    "status": "NEW",
    "type": "LIMIT",
    "side": "BUY",
    "transactTime": "1574327555669"
}

Open orders

GET /sapi/v1/openOrders

Lists open orders for the given symbol.

Rate limit: 20 req / 2s

Query parameters

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
limit	integer	Default 100

200

json

[
    {
        "orderId": "499902955766523648",
        "symbol": "BHTUSDT",
        "price": "0.01",
        "origQty": "50",
        "executedQty": "0",
        "avgPrice": "0",
        "status": "NEW",
        "type": "LIMIT",
        "side": "BUY",
        "time": "1574329076202"
    }
]

User trades

GET /sapi/v1/myTrades

Rate limit: 20 req / 2s

Query parameters

Name	Type	Description
symbol*	string	Symbol, e.g. `BTCUSDT`
limit	integer	Default 100; max 100
fromId	integer	Start from this trade id

200

json

[
  {
    "symbol": "ETHBTC",
    "id": 100211,
    "bidId": 150695552109032492,
    "askId": 150695552109032493,
    "price": "4.00000100",
    "qty": "12.00000000",
    "time": 1499865549590,
    "isBuyer": true,
    "isMaker": false,
    "feeCoin": "ETH",
    "fee": "0.001"
  }
]

Response

Field	Type	Description
symbol	string	Symbol
id	long	Trade id
bidId	long	Bid order id
askId	long	Ask order id
price	string	Trade price
qty	string	Quantity
time	long	Trade time (ms)
isBuyer	boolean	`true` if you were the buyer
isMaker	boolean	`true` if you were the maker
feeCoin	string	Fee asset
fee	string	Fee amount

Account

Security: USER_DATA

Account endpoints require API key + signature. Headers as in Trading.

Account information

GET /sapi/v1/account

Rate limit: 20 req / 2s

200

json

{
    "balances": [
        { "asset": "BTC", "free": "0", "locked": "0" },
        { "asset": "ETH", "free": "0", "locked": "0" }
    ]
}

Response

Field	Type	Description
balances	array	Asset balances
asset	string	Asset name
free	string	Available balance
locked	string	Locked balance (open orders)

Deposit history

GET /sapi/v1/deposit/history

TIP

The backend accepts both query string and JSON body (@RequestBody(required = false)). Prefer the query string so signing matches the rest of the GET endpoints.

Query parameters

Name	Type	Description
symbol	string	Asset, e.g. `USDT`
status	integer	Status filter
startTime	long	Start time (ms); defaults to last 90 days
endTime	long	End time (ms); defaults to now
txid	string	On-chain txid filter
limit	integer	Page size; max 1000

200

json

[
  {
    "symbol": "USDT",
    "amount": "100.00",
    "address": "0x...",
    "txid": "0x...",
    "status": 1,
    "createTime": 1574329076202
  }
]

Withdraw history

GET /sapi/v1/withdraw/history

Parameters identical to /sapi/v1/deposit/history. The response uses withdraw-side fields with the same shape.

Spot trading ​

General ​

Security: NONE ​

Test connectivity ​

Server time ​

Symbols ​

Market data ​

Security: NONE ​

Order book depth ​

24h ticker ​

Recent trades ​

K-lines / candles ​

Trading ​

Security: TRADE ​

Place order ​

Test new order ​

Cancel order ​

Batch place ​

Batch cancel ​

Query order ​

Open orders ​

User trades ​

Account ​

Security: USER_DATA ​

Account information ​

Deposit history ​

Withdraw history ​

Spot trading

General

Security: NONE

Test connectivity

Server time

Symbols

Market data

Security: NONE

Order book depth

24h ticker

Recent trades

K-lines / candles

Trading

Security: TRADE

Place order

Test new order

Cancel order

Batch place

Batch cancel

Query order

Open orders

User trades

Account

Security: USER_DATA

Account information

Deposit history

Withdraw history