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Human resources ⇄ ERP

Oracle Fusion Cloud HCM to SAP S/4HANA integration — real-time, two-way sync

Keep Oracle Fusion Cloud HCM and SAP S/4HANA in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.

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Why teams connect Oracle Fusion Cloud HCM and SAP S/4HANA

Sync the workers, org structure, and cost centers that SAP S/4HANA and Oracle Fusion Cloud HCM share in real time, so the people Oracle Fusion Cloud HCM manages stay current in the system that runs finance and operations.

Oracle Fusion Cloud HCM is the system of record for people: who was hired, which department and location they sit in, who they report to, and how they are paid. SAP S/4HANA runs finance and operations, and much of what it does depends on that same information, from booking labor cost to approving an expense report to staffing a project. Where the two are bridged by re-keying or an overnight file, each side spends the day out of step, with new hires missing from the systems they need and leavers still active where they should not be.

Stacksync syncs Billing Documents (Invoices), Deliveries, Journal Entries, Customer / Supplier Roles in SAP S/4HANA with Workers (publicWorkers), Assignments, Jobs, Positions in Oracle Fusion Cloud HCM field by field, in real time, and in both directions. You decide which system owns which fields, so the people side stays authoritative for worker data while SAP S/4HANA keeps its own accounting and operational detail, and every change made in one is reflected in the other within seconds instead of at the next batch run.

Common use cases

  • 01 Surface invoice and payment status from S/4HANA inside the CRM so account teams see open balances.
  • 02 Replicate material master and pricing data to e-commerce and quoting tools.
  • 03 Two-way sync Workers and Assignments with an operational Postgres so internal apps read reporting lines, departments, and locations in SQL while HR keeps mastering data in Oracle HCM.
  • 04 Provision identities and app access downstream when an Atom new-hire or termination feed event fires, joining Workers, Assignments, Departments, and Locations.

Common sync patterns

Where Oracle Fusion Cloud HCM is the worker system of record: one employee master

When a worker is hired, moved, or offboarded in Oracle Fusion Cloud HCM, the matching employee record in SAP S/4HANA is created, updated, or deactivated, so the business system reflects the workforce as it actually is.

New hires ready to transact in SAP S/4HANA

A new person set up in Oracle Fusion Cloud HCM becomes an employee record in SAP S/4HANA in time to submit expenses, enter time, or approve a purchase, without waiting on manual setup.

One org structure

Departments, cost centers, and locations that both systems reference stay in agreement, so labor cost, approvals, and reporting in SAP S/4HANA roll up to the same structure Oracle Fusion Cloud HCM maintains.

What you can sync between Oracle Fusion Cloud HCM and SAP S/4HANA

Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.

Oracle Fusion Cloud HCM objects SAP S/4HANA objects How this pairing syncs
Workers (publicWorkers) Person master with personNumber, names, national IDs, and work relationships; synced two-way via the /workers resource, which replaced the desupported /emps resource. Purchase Orders Procurement documents shared with supplier portals and spend-management tools. Workers (publicWorkers) is specific to Oracle Fusion Cloud HCM and Purchase Orders to SAP S/4HANA — each maps to any object or custom field on the other side.
Assignments Child of a worker's work relationship carrying job, position, department, location, grade, and manager; effective-dated, so writes go through PATCH with an effective date. Products / Materials Material master data distributed to e-commerce, PIM, and CRM catalogs. Assignments is specific to Oracle Fusion Cloud HCM and Products / Materials to SAP S/4HANA — each maps to any object or custom field on the other side.
Jobs Job catalog reference data; commonly read out to align titles and job codes in a warehouse or written to keep downstream systems consistent. Billing Documents (Invoices) Invoice data pushed to CRMs and payment or collections tools for finance visibility. Jobs is specific to Oracle Fusion Cloud HCM and Billing Documents (Invoices) to SAP S/4HANA — each maps to any object or custom field on the other side.
Positions Position-management records used where positions control headcount; synced to keep vacancy and reporting structures aligned with finance/ERP. Deliveries Outbound delivery status synced to customer-facing systems for order tracking. Positions is specific to Oracle Fusion Cloud HCM and Deliveries to SAP S/4HANA — each maps to any object or custom field on the other side.
Departments (Organizations) Org-structure records that define cost centers and reporting lines; typically mastered in HCM and read into other systems. Journal Entries Financial postings read into warehouses and consolidation tools for reporting. Departments (Organizations) is specific to Oracle Fusion Cloud HCM and Journal Entries to SAP S/4HANA — each maps to any object or custom field on the other side.
Locations Physical work locations referenced by assignments; synced so downstream provisioning and directory tools resolve the same location codes. Customer / Supplier Roles Role-specific views of Business Partners mapped to CRM account types. Locations is specific to Oracle Fusion Cloud HCM and Customer / Supplier Roles to SAP S/4HANA — each maps to any object or custom field on the other side.

How changes propagate between Oracle Fusion Cloud HCM and SAP S/4HANA

Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.

Oracle Fusion Cloud HCM SAP S/4HANA Sub-second propagation

DetectionChanges in Oracle Fusion Cloud HCM are captured at the source via change data capture — no polling loop against its API. Atom feeds expose changes-only feeds for key events (new hire, termination, assignment change).

DeliveryEach detected change is written to SAP S/4HANA through its API, with automatic retries and rate-limit backoff.

SAP S/4HANA Oracle Fusion Cloud HCM Interval-based propagation

DetectionStacksync polls SAP S/4HANA for changes on an incremental schedule, reading only records changed since the previous pass. Polling on change timestamps exposed by the OData services.

DeliveryEach detected change is written to Oracle Fusion Cloud HCM through its API, with automatic retries and rate-limit backoff.

Rate-limit considerations

  • Oracle Fusion Cloud HCM: Oracle publishes no fixed per-tenant REST rate limit; pages are capped via limit/offset and Oracle recommends client-side throttling, backoff, and using HDL for mass loads rather than transactional REST.
  • SAP S/4HANA: Subject to the platform's API rate limits, which vary by edition and communication arrangement.
What ships with Oracle Fusion Cloud HCM ⇄ SAP S/4HANA

Connect Oracle Fusion Cloud HCM and SAP S/4HANA for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Oracle Fusion Cloud HCM–SAP S/4HANA connection.

Real-time

Two-way sync

Changes in Oracle Fusion Cloud HCM or SAP S/4HANA instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Oracle Fusion Cloud HCM or SAP S/4HANA data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.

At scale

Event queues

Handle millions of events per minute without losing a single Oracle Fusion Cloud HCM or SAP S/4HANA record.

Observability

Monitoring

Track your Oracle Fusion Cloud HCM ⇄ SAP S/4HANA sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between Oracle Fusion Cloud HCM and SAP S/4HANA.

How the Oracle Fusion Cloud HCM and SAP S/4HANA connectors work

Oracle Fusion Cloud HCM

Integration surface
REST API (/hcmRestApi/resources), Atom feeds, and HCM Data Loader (HDL) for bulk
Authentication
OAuth 2.0 bearer tokens via Oracle Identity Cloud Service (IDCS/IAM); HTTP Basic and SAML/JWT bearer over SSL are also accepted, enforced by Oracle Web Services Manager (OWSM)
Change detection
Atom feeds expose changes-only feeds for key events (new hire, termination, assignment change); REST q= filters on LastUpdateDate and HCM Extract in incremental mode cover broader deltas
Capabilities
read · write · CDC
Rate limits
Oracle publishes no fixed per-tenant REST rate limit; pages are capped via limit/offset and Oracle recommends client-side throttling, backoff, and using HDL for mass loads rather than transactional REST.

SAP S/4HANA

Integration surface
OData REST APIs (v2/v4), with SOAP, BAPI/RFC, and IDoc interfaces on on-premise editions
Authentication
OAuth 2.0 with communication arrangements on cloud editions; basic auth or certificate-based on-premise
Change detection
Polling on change timestamps exposed by the OData services; business events can be emitted through SAP's event infrastructure on cloud editions
Capabilities
read · write
Rate limits
Subject to the platform's API rate limits, which vary by edition and communication arrangement
How it works

How to connect Oracle Fusion Cloud HCM to SAP S/4HANA — three steps, no code

Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.

  1. 01

    Connect your apps

    Authenticate Oracle Fusion Cloud HCM and SAP S/4HANA with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    Oracle Fusion Cloud HCM connected
    SAP S/4HANA connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Oracle Fusion Cloud HCM and SAP S/4HANA objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · Oracle Fusion Cloud HCM ⇄ SAP S/4HANA
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    Oracle Fusion Cloud HCM SAP S/4HANA
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Oracle Fusion Cloud HCM and SAP S/4HANA integration FAQ

SECURITY

Security teams trust Stacksync

As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.

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SSO & SCIM

Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.

Alerts

Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.

Secure connection options

Securely connects to your systems with:

OAuth 2 SSH Tunnelling SSL certificates IP Whitelisting VPN gateway VPC peering and more

Related integrations

Every pair below is a real-time, two-way sync. Search all 508 integrations available for Oracle Fusion Cloud HCM and SAP S/4HANA.

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