Configuring Coupa AP for use with Tungsten AP Essentials

Before you can use the Coupa integration with Tungsten AP Essentials, you must:

  • Prepare your connection settings.

  • Check the supplier settings.

  • Create an API response filter. Required for purchase order services.

This topic refers to the Coupa AP integration, which is the most current version of the Coupa integration and uses the latest version of the Coupa API.

Prepare your connection settings

Tungsten AP Essentials connects to Coupa using either token-based authorization or an API key. Whichever method you choose, you specify the settings in the target system settings.

Creating token-based credentials

To create token-based credentials in Coupa:

  1. Log in to Coupa and navigate to Setup > Oauth2/OpenID Connect Clients .
  2. Click Create and use the view that appears to create your credentials.
  3. Make sure you select Client credentials in the Grant Type setting.
  4. Select these scopes:
    • core.accounting.read

    • core.supplier.read

    • core.contract.read

    • core.invoice.read

    • core.invoice.write

    • core.purchase_order.read

    • core.common.read

    • core.user.read

  5. After you complete the settings, click Save.

    Note the client Identifier and Secret. Later when you configure Tungsten AP Essentials for use with Coupa, you specify these values in the target system settings.

Check the supplier settings

  1. In Coupa, make sure all of the suppliers have supplier numbers.
  2. Select these options in the Invoicing Configuration settings:
    • Create Invoices with No Backing Document
    • Allow Non-Backed Lines on PO Invoices

    You can upload Coupa supplier configurations in bulk. See Coupa documentation for more information.