For your own Jabr company
Create a company API key in Settings, then call the shared API from your server to send records to your own books.
Create an application, test it in an isolated sandbox, request review, then let each Jabr customer authorize it. No Jabr company or paid accounting subscription required.
Create a company API key in Settings, then call the shared API from your server to send records to your own books.
Create an application, use Sandbox, request review, then let each customer authorize it with OAuth 2.0.
Credentials identify one environment and one organization. Authorization, membership, subscription and application status are checked again when a write commits.
This separate guide is for third-party products using OAuth 2.0. A company's own server integration can use the API-key guide above.