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2014年全国各地名校化学试题汇编（第二期）：E单元 物质结构 元素周期律.doc 39页
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2014年全国各地名校化学试题汇编（第二期）：E单元 物质结构 元素周期律.doc
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E单元　物质结构
元素周期律
E单元　物质结构
元素周期律 1
原子结构 1
元素周期表和元素周期律 14
分子结构 化学键 26
晶体结构 30
元素周期律综合 33
【鹰潭一中高一下期末】3．E1
已知1～18号元素的离子aW3+、bX+、cY2-、dZ - 都具
有相同的电子层结构，下列关系正确的是（
A．离子的还原性：Y2-＞Z- B．质子数：c＞b C．氢化物的稳定性：H2Y＞HZ D．原子半径：X＜W
【知识点】本题考查原子结构、元素周期表元素周期律的相关知识
【答案解析】A
解析：根据条件已知1～18号元素的离子aW3+、bX+、cY2-、dZ - 都具有相同的电子层结构可知它们在元素周期表的位置为 Y
W 根据元素周期律可知Z的非金属性大于Y，则离子的还原性：Y2-＞Z-所以A正确，B．质子数： b＞c
， C．氢化物的稳定性从左到右越来越稳定则：HZ＞ H2Y D．原子半径从左到右依次减小则： W＜X
【思路点拨】本题考查原子结构元素周期律的相关知识，根据规律即可判断
【鹰潭一中高一下期末】1．E1
日南京某建设公司丢失用于材料探伤的放射
源Ir—192（铱—192）一枚，经相关部门的努力追查，丢失的放射源于5月10日被回收，Ir—192的放射性会对人体产生很大的伤害。已知Ir元素位于周期表中第6周期第族，原子序数为77，192为该核素的质量数，下列关于Ir—192的说法正确的是 A．Ir—192核外含有115个电子 B．Ir为非金属元素
C．Ir—192中子数与质子数的差为38
D．Ir元素与碘元素位于同一周期
【知识点】原子结构相关知识
【答案解析】c
解析：根据原子结构知识可知：质量数 质子数+中子数，原子的电子数 质子数 原子序数，因此Ir—192的质子数、电子数为77，中子数为115故A错误C正确，铱为金属所以B错误，碘元素位于第5周期所以D错误
【思路点拨】本题考查原子结构相关知识,根据上述关系式即可解答
【银川一中高二下期末】26．E1
N5（每空1分，共10分）根据已学知识，
请你回答下列问题：
（1）含有8个质子，10个中子的原子的化学符号__________。
（2）最外层电子排布为4s24p1的原子的核电荷数为__________。
（3）某元素被科学家称之为人体微量元素中的“防癌之王”，其原子的外围电子排布是4s24p4，该元素的名称是_________。
（4）根据VSEPR模型，H3O+的分子立体结构为： ，SO2的立体结构为： 。
（5）周期表中最活泼的非金属元素原子的轨道表示式为__________ 。
三氯化铁常温下为固体，熔点282°C，沸点315°，在300°C以上易升华。易溶于水，也易溶于乙醚、丙酮等有机溶剂。据此判断三氯化铁晶体为________。
某元素核外有三个电子层，最外层电子数是核外电子总数的1/6，写出该元素原子的电子排布式是__________。 8
写出铬元素在周期表中的位置__________，它位于__________区。
【知识点】本题考查物质结构与性质相关知识
【答案】（1） O （1分） （2）31 （1分）
（3）硒 （1分） （4）三角锥形（1分）、V形 （1分） （5） （1分）
1s22s22p63s2或[Ne]3s2 （1分） 8
第四周期B族（1分）　d（1分） 解析：（1）含有8个质子，10个中子的原子的化学符号O
（2）最外层电子排布为4s24p1的原子的核电荷数为31
（3）某元素被科学家称之为人体微量元素中的“防癌之王”，其原子的外围电子排布是4s24p4，为34号元素的名称是硒
（4）根据VSEPR模型，H3O+的分子立体结构为：三角锥形，SO2的立体结构为：V形
（5）周期表中最活泼的非金属元素原子为F其轨道表示式为 6
三氯化铁常温下为固体，熔点282°C，沸点315°，在300°C以上易升华。易溶于水，也易溶于乙醚、丙酮等有机溶剂。据此判断三氯化铁晶体为分子晶体
某元素核外有三个电子层，最外层电子数是核外电子总数的1/6，写出该元素为Mg原子的电子排布式是[Ne]3s2 8
写出铬元素在周期表中的位置第四周期B族它位于d区。
【思路点拨】本题考查物质结构与性质相关知识，难度较小
【银川一中高二下期末】19．E2
X、Y、Z三种元素的原子，其最外层电子排布分别
为ns1、3s23p1和2s2
正在加载中，请稍后...Contract Price API
Contract Price API Receive the latest OKEX contract data
Description
GET /api/v1/future_ticker
Get OKEX Contract Price
https://www.okex.com/api/v1/future_ticker.do
GET https://www.okex.com/api/v1/future_ticker.do?symbol=btc_usd&contract_type=this_week
# Response
"date":"",
"ticker":{
"last":409.2,
"buy" :408.23,
"sell":409.18,
"high":432.0,
"low":405.71,
"vol":55168.0,
"contract_id":,
"unit_amount":100.0
Return Values
buy: best bid
contract_id: contract ID
high: highest price
last: latest price
low: lowest price
sell: best ask
unit_amount: contract par value
vol: volume (in last 24 hours)
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
GET /api/v1/future_depth
Get OKEX Contract Market Depth
https://www.okex.com/api/v1/future_depth.do
GET https://www.okex.com/api/v1/future_depth.do?symbol=btc_usd&contract_type=this_week
# Response
[411.8,6],
[411.75,11],
[411.6,22],
[411.5,9],
[411.3,16]
[410.65,12],
[410.64,3],
[410.19,15],
[410.18,40],
[410.09,10]
Return Values
asks: asks depth
bids: bids depth
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
value: 5 - 200
value: 1 (merge depth)
GET /api/v1/future_trades
Get Contract Trade History
https://www.okex.com/api/v1/future_trades.do
GET https://www.okex.com/api/v1/future_trades.do?symbol=btc_usd&contract_type=this_week
# Response
"amount": 11,
"date_ms": ,
"price": 7.076,
"tid": 37,
"type": "buy"
"amount": 100,
"date_ms": ,
"price": 7.076,
"tid": 39,
"type": "sell"
Return Values
amount: quantity, in number of contracts
date_ms: transaction time(ms)
date: transaction time
price: transaction price
tid: transaction ID
type: buy/sell
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
GET /api/v1/future_index
Get OKEX Contract Index Price
https://www.okex.com/api/v1/future_index.do
GET https://www.okex.com/api/v1/future_index.do?symbol=btc_usd
# Response
{"future_index":471.0817}
Return Values
future_index: current futures index price
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
GET /api/v1/exchange_rate
Get USD-CNY Exchange Rate
https://www.okex.com/api/v1/exchange_rate.do
GET https://www.okex.com/api/v1/exchange_rate.do
# Response
{"rate":6.1329}
Return Values
rate: USD-CNY exchange rate used by OKEX, updated weekly
Request Parameters
GET /api/v1/future_estimated_price
Get Estimated Delivery Price&New
https://www.okex.com/api/v1/future_estimated_price.do
GET https://www.okex.com/api/v1/future_estimated_price.do?symbol=btc_usd
# Response
{"forecast_price":5.4}
Return Values
forecast_price: estimated delivery price
Note: only available within 3 hrs before delivery or settlement
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
GET /api/v1/future_kline&New
Get Contract Candlestick Data
https://www.okex.com/api/v1/future_kline.do
GET https://www.okex.com/api/v1/future_kline.do
# Response
22.2810015
Return Values
0, timestamp
BTC or LTC amount
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
: 1 minute candlestick data
: 3 minutes candlestick data
: 5 minutes candlestick data
: 15 minutes candlestick data
: 30 minutes candlestick data
: 1 day candlestick data
: 3 days candlestick data
: 1 week candlestick data
: 1 hour candlestick data
: 2 hours candlestick data
: 4 hours candlestick data
: 6 hours candlestick data
12hour : 12 hours candlestick data
contract_type
contract type: this_week/next_week/quarter
specify data size to be acquired
timestamp(eg:0). data after the timestamp will be returned
GET /api/v1/future_hold_amount&New
Get Total Number Of Current Holding (cont)
https://www.okex.com/api/v1/future_hold_amount.do
GET https://www.okex.com/api/v1/future_hold_amount.do?symbol=btc_usd&contract_type=this_week
# Response
"amount": 106856,
"contract_name": "BTC0213"
Return Values
amount: total number (cont)
contract_name: contract name
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd (required)
contract_type
contract type: this_week/next_week/quarter
GET /api/v1/future_price_limit&New
Get upper and lower price limit
https://www.okex.com/api/v1/future_price_limit.do
GET https://www.okex.com/api/v1/future_price_limit.do?symbol=btc_usd&contract_type=this_week
# Response
{"high":443.07,"low":417.09}
Return Values
high: limit high price
low: limit low price
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd (required)
contract_type
contract type: this_week/next_week/quarter (required)
Contract Trade API
Contract Trading API for placing contract orders on OKEX
Description
POST /api/v1/future_userinfo
Get OKEX Contract Account Info（Cross-Margin Mode）
https://www.okex.com/api/v1/future_userinfo.do
POST https://www.okex.com/api/v1/future_userinfo.do
# Response
"account_rights": 1,
"keep_deposit": 0,
"profit_real": 3.33,
"profit_unreal": 0,
"risk_rate": 10000
"account_rights": 2,
"keep_deposit": 2.22,
"profit_real": 3.33,
"profit_unreal": 2,
"risk_rate": 10000
"result": true
Return Values
account_rights: account equity
keep_deposit: margin
profit_real: realized
profit_unreal: unrealized
risk_rate: current margin ratio
Request Parameters
Description
apiKey of the user
signature of request parameters
POST /api/v1/future_position
Get User Contract Positions （Cross-Margin Mode）
https://www.okex.com/api/v1/future_position.do
POST https://www.okex.com/api/v1/future_position.do
# Response
"force_liqu_price": "0.07",
"holding": [
"buy_amount": 1,
"buy_available": 0,
"buy_price_avg": 422.78,
"buy_price_cost": 422.78,
"buy_profit_real": -0.,
"contract_id": ,
"contract_type": "this_week",
"create_date": 0,
"lever_rate": 10,
"sell_amount": 0,
"sell_available": 0,
"sell_price_avg": 0,
"sell_price_cost": 0,
"sell_profit_real": 0,
"symbol": "btc_usd"
"result": true
Return Values
buy_amount(double): long position amount(usd)
buy_available: available long postions that can be closed
buy_price_avg(double): average open price
buy_price_cost(double): cost price
buy_profit_real(double): long position realized gains/losses
contract_id(long): contract ID
create_date(long): open date
lever_rate: lever rate
sell_amount(double): short position amount(usd)
sell_available: available short postions that can be closed
sell_price_avg(double): average open price
sell_price_cost(double): cost price
sell_profit_real(double): short position realized gains/losses
symbol: btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type: contract type
force_liqu_price: estimated margin call price
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
apiKey of the user
signature of request parameters
POST /api/v1/future_trade
Place Orders
https://www.okex.com/api/v1/future_trade.do
Request frequency
POST https://www.okex.com/api/v1/future_trade.do
# Response
"order_id":986,
"result":true
Return Values
order_id: order ID
result: request result, true means successful
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
apiKey of the user
signature of request parameters
order price
order quantity
1: open long position && 2: open short position && 3:liquidate long position && 4: liquidate short position
match_price
match best counter party price (BBO)? 0: No && 1: Yes &&If yes, the 'price' field is ignored
lever_rate
leverage rate value: 10 or 20
(10 by default)
POST /api/v1/future_trades_history&New
Get OKEX Contract Trade History (Not for Personal)
https://www.okex.com/api/v1/future_trades_history.do
POST https://www.okex.com/api/v1/future_trades_history.do
# Response
"amount": 11,
"price": 7.076,
"tid": 37,
"type": "buy"
"amount": 100,
"date": 0,
"price": 7.076,
"tid": 39,
"type": "sell"
Return Values
amount： quantity, in number of contracts
date：transaction time(ms)
price：transaction price
tid：transaction ID
type：buy/sell
Request Parameters
Description
apiKey of the user
signature of request parameters
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract delivery date, format :yyyy-MM-dd
the start of transaction id
POST /api/v1/future_batch_trade
Batch Trade
https://www.okex.com/api/v1/future_batch_trade.do
POST https://www.okex.com/api/v1/future_batch_trade.do
# Response
"order_info":[
{"error_code":20013,"order_id":-1},
{"error_code":20013,"order_id":-1},
{"order_id":161256},
{"order_id":161257}
"result":true
Return Values
result: order successfully placed or not
order_id: order ID
return true if any one order is placed successfully
returned orders info and 'orders_data' are in same sequence
if fail to place a specific order, the order_id is -1
Request Parameters
Description
apiKey of the user
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
contract_type
this_week&&&next_week&&&quarter
orders_data
JSON string example: [{price:5,amount:2,type:1,match_price:1},{price:2,amount:3,type:1,match_price:1}].
Max 5 orders per request.
For 'price', 'amount', 'type' and 'match_price' parameters, refer to future_trade/API
signature of request parameters
lever_rate
leverage rate value: 10 or 20
(10 by default)
POST /api/v1/future_cancel
Cancel Orders
https://www.okex.com/api/v1/future_cancel.do
Request frequency
10 times/s
POST https://www.okex.com/api/v1/future_cancel.do
# Response
"order_id":986,
"result":true
Return Values
order_id: order ID
result: request result, true is successful
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
apiKey of the user
signature of request parameters
order ID (multiple orders are separated by a comma ',', Max of 3 orders are allowed per request)
contract_type
this_week&&&next_week&&&quarter
POST /api/v1/future_order_info
Get User Contract Order
https://www.okex.com/api/v1/future_order_info.do
POST https://www.okex.com/api/v1/future_order_info.do
# Response
"amount":111,
"contract_name":"LTC0815",
"create_date":0,
"deal_amount":1,
"order_id":106837,
"price":1111,
"price_avg":0,
"status":"0",
"symbol":"ltc_usd",
"type":"1",
"unit_amount":100,
"lever_rate": 10
"result":true
Return Values
amount: order quantity
contract_name: contract name
create_date: order time
deal_amount: filled quantity
fee: transaction fee
order_id: order ID
price: order price
price_avg: average price
status: -1 = cancelled, 0 = unfilled, 1 = partially filled, 2 = fully filled, 4 = cancel request in process, 5 = cancelled
symbol: btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
type: order type 1: open long, 2: open short, 3: close long, 4: close short
unit_amount: contract par value
lever_rate: leverage rate value, 10 or 20
Request Parameters
Description
apiKey of the user
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
signature of request parameters
query by order status 1: unfilled&&2: filled
order ID -1: return the orders of the specified status, otherwise return the order that the ID specified
current_page
current page number
page_length
number of orders per page, maximum 50
POST /api/v1/future_orders_info&&New
Get User Contract Order in Batch
https://www.okex.com/api/v1/future_orders_info.do
POST https://www.okex.com/api/v1/future_orders_info.do
# Response
"orders": [
"amount": 1,
"contract_name": "BTC0213",
"create_date": 0,
"deal_amount": 0,
"lever_rate": 20,
"order_id": 200144,
"price": 1,
"price_avg": 0,
"status": 0,
"symbol": "btc_usd",
"type": 1,
"unit_amount": 100
"amount": 1,
"contract_name": "BTC0213",
"create_date": 0,
"deal_amount": 0,
"lever_rate": 20,
"order_id": 200146,
"price": 1,
"price_avg": 0,
"status": 0,
"symbol": "btc_usd",
"type": 1,
"unit_amount": 100
"amount": 1,
"contract_name": "BTC0213",
"create_date": 0,
"deal_amount": 0,
"lever_rate": 20,
"order_id": 200147,
"price": 1,
"price_avg": 0,
"status": 0,
"symbol": "btc_usd",
"type": 1,
"unit_amount": 100
"result": true
Return Values
amount: order quantity
contract_name: contract name
created_date: order time
deal_amount: filled quantity
fee: transaction fee
order_id: order ID
price: order price
price_avg: average price
status: -1 = cancelled, 0 = unfilled, 1 = partially filled, 2 = fully filled, 4 = cancel request in process
symbol: btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
type: order type 1: open long, 2: open short, 3: close long, 4: close short
unit_amount: contract par value
lever_rate: leverage rate value, 10 or 20
Request Parameters
Description
apiKey of the user
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter
signature of request parameters
order ID (multiple orders are separated by a comma ',', Max of 50 orders are allowed per request)
POST /api/v1/future_userinfo_4fix
Get User Account Info (Fixed-Margin Mode)
https://www.okex.com/api/v1/future_userinfo_4fix.do
POST https://www.okex.com/api/v1/future_userinfo_4fix.do
# Response
"balance": 99.,
"contracts": [
"available": 99.,
"balance": 0.,
"bond": 0,
"contract_id": ,
"contract_type": "this_week",
"freeze": 0,
"profit": -0.,
"unprofit": 0
"rights": 99.
"balance": 77,
"contracts": [
"available": 99.,
"balance": 0.,
"bond": 0,
"contract_id": ,
"contract_type": "this_week",
"freeze": 0,
"profit": -0.,
"unprofit": 0
"rights": 100
"result": true
Return Values
balance: account balance
available: available fund
balance: account (contract) balance
bond: fixed margin
contract_id: contract ID
contract_type: contract Type
freeze: frozen
profit: realized
unprofit: unrealized
rights: account equity
Request Parameters
Description
apiKey of the user
signature of request parameters
POST /api/v1/future_position_4fix
Get User Positions (Fixed-Margin Mode)
https://www.okex.com/api/v1/future_position_4fix.do
POST https://www.okex.com/api/v1/future_position_4fix.do
# Response
"holding": [
"buy_amount": 10,
"buy_available": 2,
"buy_bond": 1.,
"buy_flatprice": "338.97",
"buy_price_avg": 555.,
"buy_price_cost": 555.,
"buy_profit_lossratio": "13.52",
"buy_profit_real": 0,
"contract_id": ,
"contract_type": "this_week",
"create_date": 0,
"sell_amount": 8,
"sell_available": 2,
"sell_bond": 0.,
"sell_flatprice": "671.15",
"sell_price_avg": 567.,
"sell_price_cost": 567.,
"sell_profit_lossratio": "-45.04",
"sell_profit_real": 0,
"symbol": "btc_usd",
"lever_rate": 10
"result": true
Return Values
buy_amount: long position quantity
buy_available: available long postions that can be closed
buy_bond: long position margin
buy_flatprice: long position force liquidation price
buy_profit_lossratio: long position profit ratio
buy_price_avg: average open price
buy_price_cost: cost price
buy_profit_real: long position realized gain/loss
contract_id: contract ID
contract_type: contract Type
create_date: position opened time
sell_amount: short position quantity
sell_available: available short postions that can be closed
sell_bond: short position margin
sell_flatprice: short position force liquidation price
sell_profit_lossratio: short position profit ratio
sell_price_avg: average open price
sell_price_cost: cost price
sell_profit_real: short position realized gain/loss
symbol: btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
lever_rate: leverage rate
Request Parameters
Description
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
this_week&&&next_week&&&quarter&&&(if left null, all contracts are returned)
apiKey of the user
signature of request parameters
by default, futures positions with leverage rate 10 are returned. If type = 1, all futures positions are returned
POST /api/v1/future_explosive&New
Get Forced Liquidation Orders
https://www.okex.com/api/v1/future_explosive.do
POST https://www.okex.com/api/v1/future_explosive.do
# Response
"amount": "42",
"create_date": " 11:48:07",
"loss": "-0.",
"price": "249.02",
"amount": "12",
"create_date": " 11:48:05",
"loss": "-0.",
"price": "249.02",
"amount": "3",
"create_date": " 11:48:01",
"loss": "-0.",
"price": "248.98",
"amount": "1811",
"create_date": " 11:48:01",
"loss": "-23.",
"price": "249.02",
"amount": "2",
"create_date": " 11:48:00",
"loss": "-0.",
"price": "248.80",
Return Values
amount: order quantity(unit: contract)
create_date: create date
loss: user loss due to forced liquidation
price: order price
type：1: 2: 3:liq 4:liquidate short position
Request Parameters
Description
apiKey of the user
signature of request parameters
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
contract_type
contract type: this_week/next_week/quarter
0: open liquidation orders of last 7 1: filled liquidation orders of last 7 days
current_page
current page index
page_number
current page number(current_page is invalid when using page_number，don't send current_page )
page_length
number of orders per page, maximum 50
POST /api/v1/future_devolve&New
Account Fund Transfer
https://www.okex.com/api/v1/future_devolve.do
POST https://www.okex.com/api/v1/future_devolve.do
# Response
"result":true
"error_code":20029,
"result":false
Return Values
result: Transfer result. In case of error, returns the error code.
Request Parameters
Description
apiKey of the user
signature of request parameters
btc_usd&&&ltc_usd &&&eth_usd &&&etc_usd &&&bch_usd
1: Spot to futures, 2: Futures to spot
Amount in coins
Spot Price API
Receive the latest OKEx spot market data
Description
GET /api/v1/ticker&&New
Get Price Ticker
URL https://www.okex.com/api/v1/ticker.do
GET https://www.okex.com/api/v1/ticker.do?symbol=ltc_btc
# Response
"date": "",
"ticker": {
"buy": "33.15",
"high": "34.15",
"last": "33.15",
"low": "32.05",
"sell": "33.16",
"vol": "99642"
Return Values
date: server time for returned data
buy: best bid
high: highest price
last: latest price
low: lowest price
sell: best ask
vol: volume (in the last rolling 24 hours)
Request Parameters
Description
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
GET /api/v1/depth&&New
Get Market Depth
https://www.okex.com/api/v1/depth.do
GET https://www.okex.com/api/v1/depth.do?symbol=ltc_btc
# Response
[789.68, 0.018],
[788.99, 0.042],
[788.43, 0.036],
[787.27, 0.02]
[787.1, 0.35],
[787, 12.071],
[786.5, 0.014],
[786.2, 0.38],
[786, 3.217],
[785.3, 5.322],
[785.04, 5.04]
Return Values
asks : ask depth
bids : bid depth
Request Parameters
Description
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
value: must be between 1 - 200
GET /api/v1/trades&&New
Get Trade Recently 600
https://www.okex.com/api/v1/trades.do
GET https://www.okex.com/api/v1/trades.do?symbol=ltc_btc&since=
# Response
"date": "",
"date_ms": "0",
"price": 787.71,
"amount": 0.003,
"tid": "230433",
"type": "sell"
"date": "",
"date_ms": "0",
"price": 787.65,
"amount": 0.001,
"tid": "230434",
"type": "sell"
"date": "",
"date_ms": "0",
"price": 787.5,
"amount": 0.091,
"tid": "230435",
"type": "sell"
Return Values
date: transaction time
date_ms: transaction time in milliseconds
price: transaction price
amount: quantity in BTC (or LTC)
tid: transaction ID
type: buy/sell
Request Parameters
Description
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
get recently 600 pieces of data starting from the given tid (optional)
Get /api/v1/kline&&New
Get Candlestick Data
URL https://www.okex.com/api/v1/kline.do &approximately 2000 pieces of data are returned each cycle
GET https://www.okex.com/api/v1/kline.do?symbol=ltc_btc&type=1min
# Response
Return Values
0, timestamp
1062.04, volume
Request Parameters
Description
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
: 1 minute candlestick data
: 3 minutes candlestick data
: 5 minutes candlestick data
: 15 minutes candlestick data
: 30 minutes candlestick data
: 1 day candlestick data
: 3 days candlestick data
: 1 week candlestick data
: 1 hour candlestick data
: 2 hours candlestick data
: 4 hours candlestick data
: 6 hours candlestick data
12hour : 12 hours candlestick data
specify data size to be acquired
timestamp(eg:0). data after the timestamp will be returned
Spot Trading API
Place spot orders on OKEx
Description
POST /api/v1/userinfo&&New
Get User Account Info
URL https://www.okex.com/api/v1/userinfo.do
Request frequency
6 times/2s
POST https://www.okex.com/api/v1/userinfo.do
# Response
"funds": {
"btc": "0",
"usd": "0",
"ltc": "0",
"eth": "0"
"freezed": {
"btc": "0",
"usd": "0",
"ltc": "0",
"eth": "0"
"result": true
Return Values
free: available fund
freezed: frozen fund
Request Parameters
Description
apiKey of the user
signature of request parameters
POST /api/v1/trade&&New
Place Orders
URL https://www.okex.com/api/v1/trade.do
Request frequency
20 times/2s
POST https://www.okex.com/api/v1/trade.do
# Response
{"result":true,"order_id":123456}
Return Values
result: true means order placed successfully
order_id: order ID of the newly placed order
Request Parameters
Description
apiKey of the user
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
order type: limit order(buy/sell) market order(buy_market/sell_market)
order price.
For limit orders, the price must be between 0~1,000,000.
IMPORTANT: for market buy orders, the price is to total amount you want to buy, and it must be
higher than the current price of 0.01 BTC (minimum buying unit), 0.1 LTC or 0.01 ETH. For market sell orders, the price is not required
order quantity.
Must be higher than 0.01 for BTC, 0.1 for LTC or 0.01 for ETH.For market buy roders, the amount is not required
signature of request parameters
POST /api/v1/batch_trade&&New
Batch Trade
URL https://www.okex.com/api/v1/batch_trade.do
Request frequency
20 times/2s
POST https://www.okex.com/api/v1/batch_trade.do
# Response
"order_info":[
{"order_id":},
{"error_code":10011,"order_id":-1},
{"error_code":10014,"order_id":-1}
"result":true
Return Values
result: true indicates order successfully placed
order_id: order ID
Note: return true if any one order is placed successfully
returned orders info and 'orders_data' are in same sequence
if fail to place order: order_id is -1
Request Parameters
Description
apiKey of the user
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
optional, order type for limit orders (buy/sell)
orders_data
JSON string Example: [{price:3,amount:5,type:'sell'},{price:3,amount:3,type:'buy'},{price:3,amount:3}] max order number is 5，for 'price' and 'amount' parameter, refer to trade/API. Final order type is decided primarily by 'type' field within 'orders_data' and subsequently by 'type' field (if no 'type' is provided within 'orders_data' field)
signature of request parameters
POST /api/v1/cancel_order&&New
Cancel Orders
URL https://www.okex.com/api/v1/cancel_order.do
Request frequency
20 times/2s
POST https://www.okex.com/api/v1/cancel_order.do
# Response
# For batch orders, return (success order IDs, failed order IDs)
{"success":"457","error":"459"}
Return Values
result: true: cancel order request successful, wait to be processed, false: cancel order failed(applicable to single order)
order_id: order ID (applicable to single order)
success: ID of orders whose cancel request are successful, wait to be processed.(applicable to batch orders)
error: ID of orders whose cancel request are unsuccessful.(applicable to batch orders)
Request Parameters
Description
apiKey of the user
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
order ID (multiple orders are separated by a comma ',', Max of 3 orders are allowed per request)
signature of request parameters
POST /api/v1/order_info&&New
Get Order Info
URL https://www.okex.com/api/v1/order_info.do
Request frequency 20 times/2s (unfilled orders)
POST https://www.okex.com/api/v1/order_info.do
# Response
"result": true,
"orders": [
"amount": 0.1,
"avg_price": 0,
"create_date": 0,
"deal_amount": 0,
"order_id": ,
"orders_id": ,
"price": 500,
"status": 0,
"symbol": "btc_usd",
"type": "sell"
"amount": 0.2,
"avg_price": 0,
"create_date": 0,
"deal_amount": 0,
"order_id": ,
"orders_id": ,
"price": 0.1,
"status": 0,
"symbol": "btc_usd",
"type": "buy"
Return Values
amount: order quantity
avg_price: average transaction price
create_date: order time
deal_amount: filled quantity
order_id: order ID
orders_id: order ID (Deprecated)
price: order price
status: -1 = cancelled, 0 = unfilled, 1 = partially filled, 2 = fully filled, 3 = cancel request in process
type: buy_market = market buy order, sell_market = market sell order
Request Parameters
Description
apiKey of the user
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
if order_id is -1, then return all unfilled orders, otherwise return the order specified
signature of request parameters
POST /api/v1/orders_info&&New
Get Order Information in Batch
URL https://www.okex.com/api/v1/orders_info.do
Request frequency
20 times/2s
POST https://www.okex.com/api/v1/orders_info.do
# Response
"result":true,
"orders":[{
"order_id":15088,
"status":0,
"symbol":"btc_usd",
"type":"sell",
"price":811,
"amount":1.,
"deal_amount":1,
"avg_price":811
"order_id":15088,
"status":-1,
"symbol":"btc_usd",
"type":"sell",
"price":811,
"amount":1.,
"deal_amount":1,
"avg_price":811
Return Values
amount: for limit orders, returns the order quantity.
For market orders, returns the filled quantity
deal_amount: filled quantity
avg_price: average transaction price
create_date: order time
order_id: order ID
price: for limit orders, return the order price.
For market orders, returns the filled price
status: -1 = cancelled, 0 = unfilled, 1 = partially filled, 2 = fully filled, 4 = cancel request in process
type: buy_market = market buy order, sell_market = market sell order
result: request result
Request Parameters
Description
apiKey of the user
query type: 0 for unfilled (open) orders, 1 for filled orders
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
order ID (multiple orders are separated by ',', 50 orders at most are allowed per request)
signature of request parameters
POST /api/v1/order_history&&New
Only the most recent 2 days are returned
URL https://www.okex.com/api/v1/order_history.do
POST https://www.okex.com/api/v1/order_history.do
# Response
"current_page": 1,
"orders": [
"amount": 0,
"avg_price": 0,
"create_date": 0,
"deal_amount": 0,
"order_id": 0,
"price": 0,
"status": 2,
"symbol": "btc_usd",
"type": "sell”
"page_length": 1,
"result": true,
"total": 3
Return Values
current_page: current page number
orders: detailed order information
amount: order quantity
avg_price: average transaction price
create_date: order time
deal_amount: filled quantity
order_id: order ID
price: order price
status: -1 = cancelled, 0 = unfilled, 1 = partially filled, 2 = fully filled, 4 = cancel request in process
type: buy_market = market buy order, sell_market = market sell order
page_length: number of orders per page
result: true means request successfully handled
Request Parameters
Description
apiKey of the user
btg_btc qtum_btc hsr_btc neo_btc gas_btc qtum_usdt hsr_usdt neo_usdt gas_usdt
query status: 0 for unfilled orders, 1 for filled orders
current_page
current page number
page_length
number of orders returned per page, maximum 200
signature of request parameters
POST /api/v1/withdraw&New
BTC/LTC/ETH/ETC/BCH Withdraw
URL https://www.okex.com/api/v1/withdraw.do
POST https://www.okex.com/api/v1/withdraw.do
# Response
"withdraw_id":301,
"result":true
Return Values
withdraw_id: withdrawal request ID
result: true means request successful
Request Parameters
Description
apiKey of the user
signature of request parameters
btc_usd&&& ltc_usd&&& eth_usd
&&&etc_usd&&& bch_usd
network transaction fee.
By default, fee is between 0.002 - 0.005 for BTC, and 0.001 - 0.2 for LTC, and ETH
is 0.01, and 0.0001 - 0.2 for ETC, and 0.0005 - 0.002 for BCH transaction gets confirmed faster with higher fees. For withdraws to another OKCoin address, chargefee can be 0 and the withdraw will be 0 confirmation as well.
trade/admin password
withdraw_address
withdraw address
withdraw_amount
withdraw address type.
okcoin.cn:"okcn"
okcoin.com:"okcom"
okes.com："okex"
outer address:"address"
POST /api/v1/cancel_withdraw&&New
Withdrawal Cancellation Request
URL https://www.okex.com/api/v1/cancel_withdraw.do
POST https://www.okex.com/api/v1/cancel_withdraw.do
# Response
"result":true,
"withdraw_id":301
Return Values
result: true for success, false for error
withdraw_id: withdrawal request ID
Request Parameters
Description
apiKey of the user
signature of request parameters
btc_usd&&& ltc_usd&&& eth_usd
&&&etc_usd&&& bch_usd
withdraw_id
withdrawal request ID
POST /api/v1/withdraw_info&&New
Get Withdrawal Information
URL https://www.okex.com/api/v1/withdraw_info.do
POST https://www.okex.com/api/v1/withdraw_info.do
# Response
"result": true,
"withdraw": [
"address": "15KGp……",
"amount": 2.5,
"created_date": 0,
"chargefee": 0.1,
"status": 0,
"withdraw_id": 45001
Return Values
result: true for success, false for error
address: withdrawal address
amount: withdrawal amount
created_date: withdrawal time
chargefee: network transaction fee
status: withdrawal status (-3:R-2:C-1:F0:P1:P2:C3:Email C4:Verifying5:Wait Confirmation)
withdraw_id: withdrawal request ID
Request Parameters
Description
apiKey of the user
signature of request parameters
btc_usd&&& ltc_usd&&& eth_usd
&&&etc_usd&&& bch_usd
withdraw_id
withdrawal request ID
POST /api/v1/account_records&&New
Get User Deposits or Withdraw Record
URL https://www.okex.com/api/v1/account_records.do
POST https://www.okex.com/api/v1/account_records.do
# Response
"records": [
"addr": "1CWKbfwxSkEWP8W45D76j3BX8vPieoSCyL",
"account": "12312",
"amount": 0,
"bank": "HSBC Hongkong",
"benificiary_addr": "",
"transaction_value": 111,
"date": 0,
"status": 1
"symbol": "btc"
Return Values
addr: address
account: account name
amount: amount
bank: bank
benificiary_addr: benificiary address
transaction_value: withdraw amount after fee deduction
fee: commission fee
date: date
symbol: btc, ltc, eth, etc, bch, usdt
status: recharge status (-1:F0:Wait C1:Complete), withdrawal status (-3:R-2:C-1:F0:P1:P2:C3:Email C4:Verifying5:Wait Confirmation)
Request Parameters
Description
apiKey of the user
btc, ltc, eth, etc, bch, usdt
0：deposits 1 ：withdraw
current_page
current page number
page_length
data entries number per page, maximum 50
signature of request parameters
Contact Us：
Correspondence Address: 255 Gloucester Road, Causeway Bay, Hong Kong.
All trading products offered through OKEX should be considered HIGH RISK.
Our partners：
Additional Links：
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