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As well as sample code developed by Betfair, this page allows you to find sample code or documentation prepared by members of the Developer Program community. 

If you would like to contribute to this space, please contact Developer Support

All Betfair developed sample code follows a typical work flow:

  • Find the next UK Horse Racing Win market
  • Get prices for the market
  • Place a bet on the market 
  • Handle the error returned by the API when the bet fails as it is below the minimum stake size.

Please Note: In order to aide ease of understanding, the basic Betfair samples are not intended to show certain best practices for speed and throughput. Well designed applications should follow the best practices for client design of the application/language platform and should optimise on an HTTP request level with features such as requesting gzip'd responses and http connection keep alives. Please see Optimizing API Application Performance for further details.

Sample Code

The following samples are currently available:

Client Libraries & Sample Applications


Available From
Developed By
C# Client Library for c#Community member - joelpob
Java library for JavaCommunity member - joelpob
Excel/VBA Sample Spreadsheet ApplicationRobin Barrett
Delphi Client Library for DelphiCommunity member - khughes
Javascript Client Library for Node.jsCommunity member - Algotrader
Perl Library for API-NGCommunity member - Merlin
PHP Client Library for PHPCommunity member - daniele8805
Ruby wrapper for API-NGCommunity member - mikecmpbll 
Python wrapper for API-NGCommunity member - jmcarp
Python python wrapper for Betfair API-NG (with streaming)Community member - LiamP
Python Trading frameworkCommunity member - LiamP
Scala sample code for API-NGCommunity member - theswan1
R code for RCommunity member - phill_c
C++ Betfair API ClientCommunity member - plachner
C++ trading framework for BetfairCommunity member - tosin
Rust bindings for the Betfair APICommunity member - esotericnonsense

Stream API

Available From
Developed By
C# application for Stream APIBetfair 
Java application for Stream APIBetfair
Node.js application for Stream APIBetfair

Historical Data

 Code for processing the data provided by the Betfair Exchange historical data service available via

Available From
Developed By
Web Application

Simple web application for converting downloaded historical data files to CSV format.  Click Betfair Historical Data Processor - Quick Guide.pdf for user guide

Community member - LiamP
Python visualisations of Betfair order booksCommunity member - mberk
Python historical data allowing backtesting or with a custom listener, csv creationCommunity member - LiamP

Simple Excel workbook for use with BASIC historical data Coverts files into Excel and provides basic custom reporting tools

Robin Barrett



Available From


Developed By

R API R TutorialBetfair Australia
Python data - Json to Csv Tutorial using PythonBetfair Australia
Python API Python TutorialBetfair Australia


Available From
Visual Basic Guide to Creating Trading Application for API-NG James Butler