INDX API Documentation

INDX Program Interfaces

Methods:

Balance - Current Trader balance.
Tools - List of instruments.
NP - List of assets used for trading.
ExTools - Extended list of instruments.
ExToolsByNP - List of instruments relative to a specific trading asset.
HistoryTrading - Trader's trading history.
HistoryTransaction - Trader's transaction history.
OfferMy - List of current Trader's buy/sell orders.
OfferList - List of current buy/sell orders for an instrument on the exchange.
OfferAdd - Placing a new Trader's buy/sell order for an instrument on the exchange.
OfferDelete - Deleting a Trader's buy/sell order for an instrument on the exchange.
Tick - Statistics of trades for a period of time.

The trader's WM identifier can access API methods no more than once per second.

Common parameters for all requests in the ApiContext object:

Name	Purpose	Note
Login	Trader's login	Received by the trader on the API access page
Password	Trader's password	Received by the trader on the API access page (used to form the signature)
Wmid	Trader's Wmid	Trader's WM identifier
Culture	Request language	Determines the message language (ru-RU, en-EN)
Signature	Request signature	BASE64 + SHA256, formed from various parameters depending on the method
Reqn	Request number	Unsigned integer, max. 18 digits; must always be greater than the previous request number!

Balance Method (Current Trader Balance)

• URL for sending the request: https://api.indx.market/api/v2/trade/Balance

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""}}

Request parameters (in ApiContext):

Name	Purpose	Note
Reqn	Request number	Unsigned integer, max. 18 digits; always greater than the previous one!
Login	Trader's login	From the API access page
Password	Trader's password	From the API access page (for signature)
Wmid	Trader's Wmid	WM identifier
Culture	Request language	ru-RU, en-EN
Signature	Request signature BASE64 + SHA256	Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":{"wmid":"","nickname":"","balance":{"price":0,"wmz":0},"portfolio":[{"id":0,"name":"","notes":0,"price":0,"type":"","kind":0,"by":0},],"profit":[{"symbolid":0,"buy":0,"sell":0}]}}

Response parameters:

Name	Purpose	Note
code	Status/error code	0 - success
desc	Text description of the error	String up to 255 characters
value	Result	Object with balance data
value.wmid	Trader's Wmid	String 12 characters
value.nickname	Trader's nickname	String up to 255 characters
value.balance	Trader's balance	price - portfolio price, wmz - amount on account
value.portfolio	Trader's portfolio	Array of instruments (id, name, notes, price, type, kind, by)
value.profit	Trader's trades	Total cost (symbolid, buy, sell)

Request execution codes:

Code	Description
0	Request completed successfully
-1	Service stopped
-2	Access denied
-3	Erroneous Trader WMID
-4	Request signature generated incorrectly
-5	Incorrect date
-7	Web service call ended with an error
-8	Internal error
-9, -10	Unknown error
-36, -38	Invalid value of the reqn field
-37	The condition for increasing reqn is not met

• Test page: JavaScript

Tools Method (List of exchange instruments)

• URL for sending the request: https://api.indx.market/api/v2/trade/Tools

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""}}

Request parameters (in ApiContext):

Name	Purpose	Note
Reqn	Request number	See Balance
Login	Trader's login	See Balance
Password	Trader's password	See Balance (for signature)
Wmid	Trader's Wmid	See Balance
Culture	Request language	See Balance
Signature	Request signature BASE64 + SHA256	Login + ';' + Password + ';' + Culture + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":[{"id":0,"name":"","price":0,"kind":0,"type":"","by":0}]}

Response parameters (in the value array):

Name	Purpose	Note
id	Instrument number	For other methods
name	Instrument name	String up to 255 characters
price	Price of the last trade	Price per unit
kind	Instrument type	(not detailed in doc.)
type	Instrument type	(not detailed in doc.)
by	Issued by	(not detailed in doc.)

Request execution codes:

Similar to the Balance method.

• Test page: JavaScript

NP Method (List of assets for which they are traded)

• URL for sending the request: https://api.indx.market/api/v2/trade/NP

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""}}

Request parameters (in ApiContext):

Name	Purpose	Note
Reqn	Request number	See Balance
Login	Trader's login	See Balance
Password	Trader's password	See Balance (for signature)
Wmid	Trader's Wmid	See Balance
Culture	Request language	See Balance
Signature	Request signature BASE64 + SHA256	Login + ';' + Password + ';' + Culture + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":[{"id":0,"name":""}]}

Response parameters (in the value array):

Name	Purpose	Note
id	Asset "instrument" number	(unclear, possibly internal ID)
name	Asset name	String (e.g., WMZ, USDT)

Request execution codes:

Similar to the Balance method.

• Test page: JavaScript

ExTools Method (Extended list of instruments)

• URL for sending the request: https://api.indx.market/api/v2/trade/ExTools

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""}}

Request parameters (in ApiContext):

Name	Purpose	Note
Reqn	Request number	See Balance
Login	Trader's login	See Balance
Password	Trader's password	See Balance (for signature)
Wmid	Trader's Wmid	See Balance
Culture	Request language	See Balance
Signature	Request signature BASE64 + SHA256	Login + ';' + Password + ';' + Culture + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":[{"id":0,"name":"","price":0}]}

Response parameters (in the value array):

Name	Purpose	Note
id	Instrument number	For other methods
name	Instrument name	String up to 255 characters
price	Price of the last trade	Price per unit

Request execution codes:

Similar to the Balance method.

• Test page: JavaScript

ExToolsByNP Method (List of instruments relative to the asset)

• URL for sending the request: https://api.indx.market/api/v2/trade/ExToolsByNP

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""},"NP":""}

Request parameters:

Name	Purpose	Note
ApiContext	Common parameters	See Balance
NP	Asset name	String: WMZ\|USDT\|USDC\|TUSD\|BTC\|ETH\|LTH (uppercase)

Signature is formed from: Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + NP + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":[{"id":0,"name":"","price":0}]}

Response parameters (in the value array):

Name	Purpose	Note
id	Instrument number	For other methods
name	Instrument name	String up to 255 characters
price	Price of the last trade	Price per unit

Request execution codes:

Similar to the Balance method.

• Test page: JavaScript

HistoryTrading Method (Trader's trading history)

• URL for sending the request: https://api.indx.market/api/v2/trade/HistoryTrading

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""},"Trading":{"ID":0,"DateStart":"","DateEnd":""}}

Request parameters:

Name	Purpose	Note
ApiContext	Common parameters	See Balance
Trading.ID	Instrument number	0 for all instruments
Trading.DateStart	Start date	YYYYMMDD
Trading.DateEnd	End date	YYYYMMDD

Signature is formed from: Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + Trading.ID + ';' + Trading.DateStart + ';' + Trading.DateEnd + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":[{"id":0,"stamp":0,"name":"","isbid":0,"notes":0,"price":0}]}

Response parameters (in the value array):

Name	Purpose	Note
id	Instrument number	Max. 18 digits
stamp	Operation date and time	Unix timestamp (seconds). C# format: new DateTime(1970,1,1).AddSeconds(stamp)
name	Instrument name	String up to 255 characters
isbid	Operation type	0 - buy, 1 - sell
notes	Quantity	Floating point number
price	Price per unit	Floating point number

Request execution codes:

Similar to the Balance method, plus:

Code	Description
-6	Invalid instrument identifier
-11	Invalid date format

• Test page: JavaScript

HistoryTransaction Method (Trader's transaction history)

• URL for sending the request: https://api.indx.market/api/v2/trade/HistoryTransaction

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":""},"Trading":{"ID":0,"DateStart":"","DateEnd":""}}

Note: in the documentation for this method, Reqn is not specified in ApiContext, but it is usually required. The signature may also require Reqn.

Request parameters:

Name	Purpose	Note
ApiContext	Common parameters	See Balance (Reqn may not be needed, clarify)
Trading.ID	Instrument number	0 for all instruments
Trading.DateStart	Start date	YYYYMMDD
Trading.DateEnd	End date	YYYYMMDD

Signature is formed from: Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + Trading.ID + ';' + Trading.DateStart + ';' + Trading.DateEnd (+ ';' + Reqn if Reqn is used)

Response format:

{"code":0,"desc":"Success","value":[{"id":0,"stamp":0,"name":"","type":0,"notes":0,"price":0,"amount":0}]}

Response parameters (in the value array):

Name	Purpose	Note
id	Instrument number	Max. 18 digits
stamp	Operation date and time	Unix timestamp (seconds)
name	Instrument name	String up to 255 characters
type	Transaction type	(not detailed in doc.)
notes	Quantity	Floating point number
price	Price per unit	Floating point number
amount	Transaction amount	Floating point number

Request execution codes:

Similar to the Balance method, plus codes from HistoryTrading.

• Test page: JavaScript

OfferMy Method (List of current Trader's orders)

• URL for sending the request: https://api.indx.market/api/v2/trade/OfferMy

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""}}

Request parameters (in ApiContext):

Name	Purpose	Note
Reqn	Request number	See Balance
Login	Trader's login	See Balance
Password	Trader's password	See Balance (for signature)
Wmid	Trader's Wmid	See Balance
Culture	Request language	See Balance
Signature	Request signature BASE64 + SHA256	Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":[{"id":0,"stamp":0,"name":"","isbid":0,"notes":0,"price":0,"amount":0,"offerid":0}]}

Response parameters (in the value array):

Name	Purpose	Note
id	Instrument number	Max. 18 digits
stamp	Operation date and time	Unix timestamp (seconds)
name	Instrument name	String up to 255 characters
isbid	Order type	0 - buy, 1 - sell
notes	Quantity	Floating point number
price	Price per unit	Floating point number
amount	Order amount	Floating point number
offerid	Order ID	For OfferDelete method

Request execution codes:

Similar to the Balance method.

• Test page: JavaScript

OfferList Method (List of current orders for an instrument on the exchange)

• URL for sending the request: https://api.indx.market/api/v2/trade/OfferList

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""},"Offer":{"ID":0}}

Request parameters:

Name	Purpose	Note
ApiContext	Common parameters	See Balance
Offer.ID	Instrument number	Required parameter

Signature is formed from: Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + Offer.ID + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":{"buy":[{"notes":0,"price":0}],"sell":[{"notes":0,"price":0}]}}

Response parameters:

Name	Purpose	Note
value.buy	Buy orders	Array of objects {notes, price}
value.sell	Sell orders	Array of objects {notes, price}
notes	Quantity	Floating point number
price	Price per unit	Floating point number

Request execution codes:

Similar to the Balance method, plus:

Code	Description
-6	Invalid instrument identifier

• Test page: JavaScript

OfferAdd Method (Placing a new order)

• URL for sending the request: https://api.indx.market/api/v2/trade/OfferAdd

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""},"Offer":{"ID":0,"IsBid":0,"Notes":0,"Price":0}}

Request parameters:

Name	Purpose	Note
ApiContext	Common parameters	See Balance
Offer.ID	Instrument number	Required
Offer.IsBid	Order type	0 - buy, 1 - sell
Offer.Notes	Quantity	Floating point number, > 0
Offer.Price	Price per unit	Floating point number, > 0

Signature is formed from: Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + Offer.ID + ';' + Offer.IsBid + ';' + Offer.Notes + ';' + Offer.Price + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":{"offerid":0}}

Response parameters:

Name	Purpose	Note
offerid	ID of the created order	For OfferDelete

Request execution codes:

Similar to the Balance method, plus:

Code	Description
-6	Invalid instrument identifier
-12	Invalid value of the IsBid field
-13	Invalid value of the Notes field
-14	Invalid value of the Price field
-15	Insufficient funds
-16	Insufficient instrument
-17	Error placing order
-18	Order cannot be executed
-19	Order not found
-20	Order already executed
-21	Order already canceled
-22	Order does not belong to the trader
-23	Error deleting order
-24	Trading for the instrument is stopped
-25	Trading for the instrument has not started
-26	Trading for the instrument is completed
-27	Trader is not allowed to trade this instrument
-28	Trader is not allowed to buy this instrument
-29	Trader is not allowed to sell this instrument
-30	Trader is not allowed to cancel orders for this instrument
-31	Trader is not allowed to view orders for this instrument
-32	Trader is not allowed to view trading history for this instrument
-33	Trader is not allowed to view transaction history for this instrument
-34	Trader is not allowed to view balance
-35	Trader is not allowed to view portfolio

• Test page: JavaScript

OfferDelete Method (Deleting a Trader's order)

• URL for sending the request: https://api.indx.market/api/v2/trade/OfferDelete

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""},"Offer":{"OfferID":0}}

Request parameters:

Name	Purpose	Note
ApiContext	Common parameters	See Balance
Offer.OfferID	Order ID	Obtained from OfferMy or OfferAdd

Signature is formed from: Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + Offer.OfferID + ';' + Reqn

Response format:

{"code":0,"desc":"Success"}

Request execution codes:

Similar to the Balance method and OfferAdd (codes -19, -20, -21, -22, -23).

• Test page: JavaScript

Tick Method (Statistics of trades for a period of time)

• URL for sending the request: https://api.indx.market/api/v2/trade/Tick

• Method: POST

• Accept types: text/json

• Request format: {"ApiContext":{"Login":"","Wmid":"","Culture":"","Signature":"","Reqn":""},"Tick":{"ID":0,"DateStart":"","DateEnd":""}}

Request parameters:

Name	Purpose	Note
ApiContext	Common parameters	See Balance
Tick.ID	Instrument number	Required
Tick.DateStart	Start date	YYYYMMDD
Tick.DateEnd	End date	YYYYMMDD

Signature is formed from: Login + ';' + Password + ';' + Culture + ';' + Wmid + ';' + Tick.ID + ';' + Tick.DateStart + ';' + Tick.DateEnd + ';' + Reqn

Response format:

{"code":0,"desc":"Success","value":[{"stamp":0,"price":0,"notes":0}]}

Response parameters (in the value array):

Name	Purpose	Note
stamp	Operation date and time	Unix timestamp (seconds)
price	Trade price	Floating point number
notes	Trade volume	Floating point number

Request execution codes:

Similar to the Balance method, plus codes from HistoryTrading (-6, -11).

• Test page: JavaScript