Connect SAP C4C with ERP, marketing, and data quality. Bidirectional, real-time, directly via OData API. Without CPI, without installation in C4C.

Would you like to have consistent and accurate customer data in Oracle Eloqua and SAP C4C at all times without any IT projects? That’s exactly what MARINI is for.
With MARINI, the integration of Oracle Eloqua and SAP C4C is ready to use in just a few days and grows flexibly with your requirements.
And the best part: we handle the integration for you. Our experts set up your Oracle Eloqua SAP C4C interface on your behalf or together with your team.
Important note: The video shows the integration of HubSpot with SAP C4C. Of course, connecting to Oracle Eloqua with SAP C4C and many other systems is also possible.






















Oracle Eloqua is the enterprise marketing automation platform for complex B2B campaigns, lead scoring, and multi-channel orchestration. SAP C4C is the cloud-based CRM for sales and service with native SAP integration. Both systems excel in their respective domains, but they need to communicate with each other.
The Oracle Eloqua SAP C4C integration connects marketing and sales in real-time. Qualified leads flow from Eloqua directly into the CRM with their complete engagement score. Sales immediately sees which campaigns have worked, which emails were opened, and where genuine interest exists. Conversely, opportunity data and deal status flow back to marketing for more precise segmentation and true closed-loop reporting.
When Eloqua and C4C are synchronized, new possibilities emerge for marketing and sales. Here are the most common scenarios.
Automate the lead-to-sales process. Qualified leads from Eloqua are automatically transferred to C4C with score, campaign history, and engagement data. Sales immediately sees which marketing touchpoints have worked and can prioritize accordingly. No more manual exports, no lost leads.
Make lead scoring available in the CRM. Scoring values and qualification status from Eloqua are updated in C4C in real-time. Sales reps see which leads are hot and which need more nurturing. Marketing proves its contribution to pipeline building with hard numbers.
Use CRM data for campaign targeting. Account data, deal status, and revenue information from C4C flow back to Eloqua. This enables you to target existing customers specifically, launch cross-selling campaigns based on purchase history, or treat accounts with open opportunities differently from cold contacts.
Synchronize opt-in and consent status. Consent data is synchronized bidirectionally between Eloqua and C4C. Regardless of where a contact changes their preferences, both systems remain current. This is not only GDPR-compliant but also protects you from costly mistakes.
Implement account-based marketing. Account data from C4C enables targeted ABM campaigns in Eloqua. You can aggregate contact scores at the account level, orchestrate outreach to all contacts of a target account, and track success across both systems.
Build closed-loop reporting. Opportunity and revenue data from C4C flows back to Eloqua for attribution and ROI measurement. Marketing finally sees which campaigns have generated real revenue. This marks the end of marketing as a cost center and the beginning of data-driven budget planning.
The use cases on this page are not theoretical, but implementing them requires experience. You can set up integration and data management yourself through MARINI’s no-code interface, or have our team configure it for you. For implementation in your systems, we work collaboratively with you and your service providers. If you don’t yet have a suitable service provider, we’re happy to recommend an appropriate partner from our network.
Andreas Gozian, Chief Sales Officer at MARINI

Country Lead Germany & Director Corporate DACH at HubSpot Inc.
MARINI serves as a crucial partner, perfectly extending HubSpot’s capabilities for companies with complex system landscapes. Through seamless integration of SAP, legacy systems, and diverse data sources, we collectively create a true single source of truth. Particularly valuable: Our mid-market customers can retain their established IT structures while still leveraging HubSpot’s full power – with clean data, automated processes, and a 360-degree customer view that delivers measurable business results.

European Lead Center of Excellence Manufacturing at Dun & Bradstreet
With MARINI, we have found a flexible and reliable partner for data integration with our customers. In today’s environment, we’re dealing with countless systems. At the same time, resources, especially in IT, are becoming increasingly scarce. Through MARINI, we conveniently deliver our data to any of our customers’ systems, whether CRM, ERP, or MDM – quickly and securely.
For: C-level, Management, Business Development
Revenue visibility across the entire customer journey. When Eloqua and C4C are integrated, you finally see which marketing investments lead to actual deals. Closed-loop reporting shows you which campaigns generate pipeline and which only generate traffic. This is the foundation for data-driven decisions about budget allocation and go-to-market strategy.
Faster time-to-revenue through seamless lead handover. Every minute a qualified lead waits in limbo costs you money. With automated lead transfer from Eloqua to C4C, your sales team responds faster, works more focused, and closes more deals. The integration completely eliminates friction between marketing and sales.
Scalable marketing-sales processes for growth. When your company grows, manual processes break down. A robust Eloqua-C4C integration scales with you. Whether you qualify 100 or 10,000 leads per month, the processes remain stable, fast, and reliable. This is the infrastructure for sustainable growth.
For: Marketing, Sales, Customer Success, Operations
Marketing: Finally data for real lead quality. You not only see which leads you’ve generated, but which became opportunities and deals. Campaign Canvas in Eloqua becomes even more powerful when you can use deal data from C4C for dynamic segmentation. You can prove your campaigns work, not just claim it.
Sales: Context instead of cold contacts. When a lead lands in C4C, you immediately see the complete marketing history: which emails opened, which content downloaded, which events attended. You don’t call blindly but with context. This noticeably increases your close rate and makes your work more efficient.
Marketing operations: No more manual exports. Forget CSV files that you move between systems weekly. The integration runs automatically, bidirectionally, and in real-time. You can focus on strategic tasks instead of operational busywork.
Revenue operations: One source of truth for everyone. When Eloqua and C4C are synchronized, there are no more discussions about lead numbers or attribution. Everyone works with the same data at the same time. This makes RevOps processes measurable, predictable, and scalable.
For: IT, Development, System Architects, Admins
API connection without middleware overhead. MARINI connects directly to the Eloqua REST API and the C4C OData API. No SAP CPI needed, no Oracle Integration Cloud, no middleware monster. You maintain control over data flows, mapping rules, and error handling in a clear no-code interface.
Custom objects and custom modules fully supported. Eloqua custom objects and C4C custom business objects are treated like standard objects. You can synchronize any data structure your business units need. No vendor lock-in, no limitations from rigid connector logic.
Conflict handling and duplicate management. What happens when a lead is changed simultaneously in Eloqua and C4C? MARINI offers configurable rules for conflicts, master data management, and duplicate detection. You decide which system is leading for which field. No data loss, no random overwrites.
Monitoring, logs, and alerts for production operation. You see in real-time which data is flowing, where errors occur, and when rate limits are reached. Alerts via email or Slack keep you informed. Logs are searchable and GDPR-compliant. This is enterprise-grade monitoring without enterprise complexity.
Business-critical data deserves maximum reliability. At MARINI, security isn’t an add-on—it’s our lived standard. Our security architecture at a glance:
This keeps your central data infrastructure stable, protected, and scalable at all times. Together, we’ll find the right integration and tailor it precisely to your requirements.
In Eloqua, typically contacts, accounts, custom objects, segments, lead scores, and consent status are synchronized. In C4C, these are accounts, contacts, leads, opportunities, and activities. MARINI also fully supports custom business objects in C4C and custom objects in Eloqua.
No. MARINI connects directly to the C4C OData API. Connection via SAP CPI (Cloud Platform Integration) is not required and is typically not requested. This significantly reduces complexity and costs.
Lead scores are synchronized as fields on the contact or lead object in C4C. You can transfer multiple scores in parallel and decide whether they are updated with every change or only transferred initially. This way, sales immediately sees which leads are hot.
Yes. Opportunity data such as deal stage, revenue volume, or close date can be synchronized back to Eloqua. This enables segmentation based on pipeline status and closed-loop reporting. You see which campaigns have led to real revenue.
Both are fully supported and treated like standard objects. You can synchronize any custom data structures, define mapping rules, and set up field validation. MARINI has extensive experience with complex data models in both systems.
MARINI offers configurable conflict handling. You define per object and field which system is leading. In case of conflicts, the rule decides automatically, or you are informed via alert. This eliminates data loss through overwrites and manual corrections.
With MARNI, we were able to successfully optimize our digital sales processes. We were particularly impressed by the flexibility and scalability of the platform, which helped us to implement our projects quickly and efficiently.


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