Support Documents
The following protocols, specifications, and guides can be used to access our exchanges and product offerings.  If your firm is accessing Direct Edge for the first time, you must certify with our team prior to actively trading on one of our exchanges.  Please contact Direct Edge Technical Support when you are ready to certify or have questions about certification.

TECHNICAL

• Edge XPRS Specification - A high performance order entry protocol (updated 04/15/13)
• FIX & Drop Copy Specification (updated 12/06/12)

MARKET DATA

• Multicast Depth of Book Specification - Direct market data feed (updated 05/15/13)
• Unicast Depth of Book Specification - Direct market data feed (updated 03/21/13)

RESOURCES

• Equinix Connectivity Summary - A network connectivity guide to our primary data center (updated 03/28/13)
• Telx Connectivity Summary - A network connectivity guide to our back-up data center (updated 01/23/13)
• Telx FAQs

AGREEMENTS

• Direct Edge, Inc. Service Bureau Agreement
• EDGA Three Party Service Bureau Agreement
• EDGX Three Party Service Bureau Agreement