To begin, get your OAuth keys from your app’s Keys tab of your Intuit Developer account. Your app uses these keys to get an access token from the Intuit OAuth service for access to the QuickBooks company for which the admin user authorizes.
|Keys||Client ID and Client Secret in your app’s Keys and OAuth section under Development or Production|
|URI to serve OAuth requests||Redirect URI in your app’s Keys and OAuth section under Development or Production|
|URI to serve Intuit Single Sign-0n requests||App URLs in your app’s Keys and OAuth section under Development or Production|
|Playground||OAuth 2.0 playground|
|Identity authentication||OpenID Connect|
|Documentation||OAuth 2.0 integration and OpenID Connect integration|
Here is an example of your app’s Client ID and Client Secret: