NxCore
API Documentation
Guides, code examples and the full reference for the NxCore API. Everything you need to build with the NxCore real-time market data feed.
New To NxCore?
Start with the introduction, then build your first program with the Getting Started guide.
NxCore API Documentation
Introduction and Concepts
Start here. How NxCore works, how prices and exchanges are handled, and how to get your first program running.
Simplest Code Examples
Short examples that show common tasks, like looking up the latest quote on every trade.
More Complex Code Examples
Larger examples covering performance, state files and reading symbols from a file.
Callbacks
The message types NxCore sends to your callback function, with examples.
Structures
Reference for every data structure passed to your callback, including snapshot and helper structures.
- NxCoreSystem
- NxCoreMessage
- Snapshot Structures
- NxCoreClass
- Miscellaneous Structures
NxCoreClass Functions
All functions available in the NxCore API, grouped by what they do.
- General Functions
- Retrieving Latest Trades and Quotes
- Conversion Functions
- Rarely Used Functions
Definitions and Tables
Exchange codes, symbol prefixes and suffixes, trade and quote conditions, and error codes.
Reference
Full lists of categories and string tables.
Special Considerations for Options
Special settlements and changes to an option’s underlying.
Miscellaneous
Networking, raw market data traffic examples and sample tools.
FAQ
Answers to common questions about using the NxCore API.
More Tools And Support
Sample data, downloads and help from the technical team.
