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What is an Application Key?

In order to use the Betting & Accounts API, you need to have an Application Key. The Application Key identifies your API client.  Two App Keys are assigned to a single Betfair account, one live App Key and one delayed App Key for testing.

You must pass the Application Key with every HTTP request. You do this by setting the HTTP header with the value of the key assigned by Betfair.

X-Application: APP_KEY_ASSIGNED

How to Create An Application Key

You can create an Application Key for your Betfair account using the Accounts API Visualiser and createDeveloperAppKeys operation

1. Click on the Accounts API Visualiser link & ensure the the Endpoint "PROD"/"UK" is selected.  
2. Select the createDeveloperAppKeys operation from the list of Operations on the top left hand side of the visualiser.
3. Enter a sessionToken in the 'Session Token (ssoid)' text box.  You can find instructions on how to find your sessionToken via your browser here.
4. Enter your Application Name (this must be unique) in the 'Request' column.  The Application Name can be any name of your choice, but like your Betfair username, must be unique.
5. Press Execute at the bottom of the 'Request' column.

Two Application Keys will then be created and displayed in the Developer Apps column of the demo tool

Please note:

• The X-Application header is not required when using the createDeveloperAppKeys or the getDeveloperAppKeys service.
• The Application Name must be unique.

Live & Delayed Application Keys Usage

The createDeveloperAppKeys service will assign two Application Keys (App Keys) to your Betfair account.

One 'Live' Application Key and one 'Delayed' Application Key. A Delayed Application Key is displayed as 'Version 1.0-DELAY' via createDeveloperAppKeys/getDeveloperAppKeys

Key points:

• Upon creation, the Live Application Key will be inactive.

• The Delayed App Key operates on the live (production) Betfair Exchange and not a testbed/sandbox environment.

• The Delayed App Key should be use for development purposes and any functional testing.  The key provides delayed Betfair price data. The delay is variable between 1-180 second snapshots.

• The Delayed App Key must also be used in simulation/practice applications where the facility to bet into live Betfair markets is not available.
• The Delayed App Key does not return traded volume data 'totalMatched' or EX_ALL_OFFERS via listMarketBook. 
• To apply to activate your Live Application key please click here and select Exchange API > For My Personal Betting and complete the application form at the bottom of the page.  
• If approved, a one-off activation fee of £299 applies; this is debited directly from your Betfair account.  Your Betfair account must be funded and fully verified for your application to be considered.
  
  

Personal Betting Access - Application Key Overview

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Please see below table for a summary of the data/services available to Delayed & Live Application Keys.

 *Delay is variable between 1-180 seconds