Are there any reusable n8n templates or patterns for integrating two enterprise systems (e.g., SAP ↔ Oracle) without modifying the core systems?

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Hi everyone,
I’m exploring how to use n8n as an orchestration layer to integrate two large enterprise systems (for example, SAP and Oracle Finance), ideally without requiring modifications inside either system.
I understand that n8n provides thousands of workflow templates, but most seem focused on smaller integrations (APIs, CRMs, databases, etc.), and I couldn’t find clear examples of enterprise-to-enterprise (ERP-like) integrations.
What I’m specifically looking for:
Any ready-to-use templates or workflows that connect two complex systems (even if they are not SAP/Oracle specifically)
Real examples of system A → transformation → system B patterns

The idea is:

My use case:

I think it would be beneficial to add this because:

Any resources to support this?

Are you willing to work on this?

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n8n can handle this kind of enterprise orchestration, but don’t expect a plug-and-play “SAP → Oracle Finance” template; they don’t exist out of the box, as far as I know.

For ERP-to-ERP work, you’re basically always building something custom. The pattern looks like this:

  1. Extract or trigger from System A

  2. Normalize the data

  3. Validate required fields

  4. Map/transform fields

  5. Push to System B

  6. Log and audit

  7. Handle retries and errors

n8n is great for that orchestration layer — especially when your systems expose REST, SOAP, OData, database access, SFTP, or webhooks.

For Oracle, there’s a built-in Oracle Database node. For SAP, you’ll likely be working through HTTP/OData/Service Layer patterns or a community connector depending on which SAP product you’re dealing with — check the n8n community nodes for what’s available.