CME STP BaCE API Message Specification

The CME STP BaCE XML schema defines the XML of data submitted to and received from CME STP BaCE. The CME STP BaCE XML schema is CH_<version_number>.xsd.

When you submit an XML document to CME STP BaCE, the root element of the XML you submit is always the CHML element, which includes or refers to the other elements containing the data to submit. The CME STP BaCE message schema includes:

Submission

There are two methods for submitting XML to CME STP BaCE:

Submission method	Supported for submitting trades	Supported for updating trades, querying trades, and reference data

Submission method	Supported for submitting trades	Supported for updating trades, querying trades, and reference data
API	yes	yes
Secure FTP	yes	no

When you submit trade records to CME STP BaCE, you can use either standard CME STP BaCE reference data values, or your company’s own data values, which are mapped by CME STP BaCE.

Data Types

Data Type	Description	Examples

Data Type	Description	Examples
BidFlagType	Whether this trade is a buy or a sell from the submitter’s perspective. Supported values are: 0 (Sell) 1 (Buy) The BidFlag value in the Submitter node must be: different from its value in the Counterparty node the same as its value in the TradingCompany node 0 1
CheckedType	An integer indicating whether the trading partner verified the submitter’s side of the trade. Supported values are: 0 (not verified) 1 (verified) 0 1
date	A date in the following format: YYYY-MM-DD.	2012-05-25 2012-12-01
dateTime	A date and time in the following format: YYYY-MM-DDThh:mm:ss.nnn.	2012-03-05T10:02:24.617
DealType	A string indicating whether the deal is physical or financial.	Physical Financial
float	Floating point numeric data.	16.000 0
int	An integer.	27 -54
long	Floating point numeric data.	16.000 0
MappingStatusEnum	A string indicating the mapping status of a trade, used when querying trades. Supported values are: All (Default value. The query returns both mapped and unmapped trades.) Success (The query returns only successfully mapped trades.) Failed (The query returns only unsuccessfully mapped or unmapped trades.) All Success Failed
string	Variable-length, non-Unicode character data.	Amerex Brokers LLC 2