Configure the Source-to-Pay integration with SAP

  • Release version: Australia
  • Updated March 12, 2026
  • 2 minutes to read
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    Summary of Configure the Source-to-Pay integration with SAP

    This guide explains how to integrate your ServiceNow instance with SAP ERP systems such as SAP ECC and SAP S4 HANA using the Source-to-Pay (S2P) integration framework. The integration enables automated synchronization of purchase orders, receipts, invoices, and primary data between ServiceNow and SAP, improving procurement and financial operations efficiency.

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    Key Features

    • Custom OAuth Application Setup: Authenticate ServiceNow requests by creating a custom OAuth application in SAP ECC and SAP S4 HANA.
    • Activation and Setup: Activate the Source-to-Pay integration and related SAP spokes (ECC RFC spoke, S4 HANA Public Cloud spoke, S4 HANA OData spoke) from the ServiceNow Store to enable communication.
    • Primary Data Synchronization: Use configurable scheduled jobs such as Fetch Spend Primary Data and Trigger SAP Integration to pull tasks and primary data (e.g., currencies) from SAP into ServiceNow.
    • Integration Dependencies: Automatic installation of required plugins and spokes based on your integration scope—Primary Data, Supplier Lifecycle Operations, Sourcing and Procurement Operations, or Accounts Payable Operations.
    • ERP Source Configuration: Define the ERP source connection details and map integration payloads to SAP tables for seamless inbound and outbound data exchange.
    • Integration Service Configuration: Configure connection endpoints and SAP ERP credentials for authentication profiles. Create individual integration service records per service request for customization.
    • Manual and Scheduled Data Retrieval: Ability to manually trigger flows or subflows for SAP inbound processes and schedule jobs to automatically fetch primary data at specific intervals.

    Practical Benefits for ServiceNow Customers

    • Streamlines procurement and financial workflows by synchronizing critical data between ServiceNow and SAP ERP systems.
    • Reduces manual data entry and errors by automating purchase order, invoice, and receipt processing.
    • Provides flexibility to customize integration services and schedules to align with organizational processes.
    • Ensures secure and authenticated communication between ServiceNow and SAP using OAuth.
    • Simplifies setup with automatic dependency installation and clear configuration steps for various SAP integration needs.

    Integrate the ServiceNow instance with SAP by creating a custom OAuth application in SAP ECC and SAP S4 HANA to authenticate ServiceNow requests.

    Application set up

    Verify that you have performed the following:

    Primary Data Integration Dependencies with SAP Dependencies

    Install the following dependencies of Primary Data integration with SAP. When you install the plugin, all the dependencies get installed automatically. All primary data are synchronized based on the configurable scheduled job Fetch Spend Primary Data.

    Run the Trigger SAP Integration that pulls tasks into ServiceNow. For more information, see Use schedule flows in SAP.

    Table 1. Primary Data Integration Dependencies with SAP
    App name Plugin ID
    SAP ECC IDOC Spoke sn_sap_ecc_idoc_sp
    Source-to-pay Common Architecture sn_shop
    ERP Integration Framework sn_fcms_intg
    Utility Spoke sn_utility_spoke
    SAP ECC RFC Spoke sn_sap_ecc_rfc_spo
    Supplier Common Architecture sn_slm
    SAP S4 HANA Spoke sn_hana_odata_spk

    Supplier Lifecycle Operations Integration Dependencies with SAP

    Install the following dependencies of Supplier Lifecycle Operations integration with SAP. When you install the plugin, all the dependencies get installed automatically.

    Table 2. Supplier Lifecycle Operations Integration Dependencies with SAP
    App name Plugin ID
    Primary Data Integration with SAP sn_sap_data_int
    ERP Integration Framework sn_fcms_intg
    Finance Common Architecture sn_fin
    Supplier Operations sn_so

    Sourcing and Procurement Operations Integration Dependencies with SAP

    Install the following dependencies of Sourcing and Procurement Operations integration with SAP. When you install the plugin, all the dependencies get installed automatically.

    Table 3. Sourcing and Procurement Operations Integration Dependencies with SAP
    App name Plugin ID
    Primary Data Integration with SAP sn_sap_data_int
    ERP Integration Framework sn_fcms_intg
    Source-to-pay Common Architecture sn_shop
    SAP S4 HANA RFC Spoke sn_sap_s4_hana_rfc
    SAP ECC IDOC Spoke sn_sap_ecc_idoc_sp

    Accounts Payable Operations Integration Dependencies with SAP

    Install the following dependencies of Accounts Payable Operations integration with SAP. When you install the plugin, all the dependencies get installed automatically.

    Table 4. Accounts Payable Operations Integration Dependencies with SAP
    App name Plugin ID
    Primary Data Integration with SAP sn_sap_data_int
    ERP Integration Framework sn_fcms_intg
    Source-to-pay Common Architecture sn_shop
    SAP S4 HANA RFC Spoke sn_sap_s4_hana_rfc
    SAP ECC IDOC Spoke sn_sap_ecc_idoc_sp