Introduction
Enterprise integration is no longer limited to connecting one SAP system with another.
Modern organizations typically operate a combination of SAP applications, SaaS platforms, legacy applications, databases, partner systems, APIs, and cloud services. As this landscape grows, point-to-point interfaces and disconnected middleware can make integration harder to manage.
An SAP BTP integration strategy provides a structured way to modernize this landscape using SAP Business Technology Platform and capabilities such as SAP Integration Suite.
SAP describes Integration Suite as a central part of its integration strategy for connecting SAP and non-SAP applications, data, and business processes across hybrid environments.
The objective is not simply to move existing interfaces to the cloud. The objective is to create an integration landscape that is easier to scale, govern, monitor, and adapt.
Quick Answer: What Is an SAP BTP Integration Strategy?
An SAP BTP integration strategy is a long-term plan for how an enterprise will connect applications, data, business processes, APIs, events, and external partners using SAP BTP and appropriate integration technologies.
It normally defines:
- Current integration landscape
- Target integration model
- Role of SAP Integration Suite
- API and event strategy
- Cloud and on-premise connectivity
- Legacy modernization priorities
- Security and governance
- Integration development standards
- Operating model and ownership
- Migration roadmap
- KPIs and ongoing improvement
SAP’s Integration Solution Advisory Methodology (ISA-M) follows a similar structured approach, starting with integration strategy assessment and moving toward technology selection, best practices, and organizational enablement.
Why Enterprises Need an SAP BTP Integration Strategy
Many integration problems are not caused by the lack of an integration tool.
They are caused by the lack of a common strategy.
An enterprise may have:
- SAP ERP or SAP S/4HANA
- SAP SuccessFactors
- SAP Ariba
- Salesforce
- ServiceNow
- E-commerce platforms
- Banking systems
- Manufacturing systems
- Data platforms
- Legacy applications
- External suppliers and customers
If every project chooses its own integration method, the organization can gradually develop duplicated interfaces, inconsistent standards, unclear ownership, and difficult-to-maintain integrations.
A BTP integration strategy creates common principles for deciding how systems should connect.
SAP BTP and SAP Integration Suite: What Is the Relationship?
SAP BTP is the broader technology platform.
SAP Integration Suite is the integration-focused capability within BTP.
Integration Suite supports different enterprise integration requirements, including application integration, API management, event-driven scenarios, and connectivity across SAP and non-SAP environments. SAP’s current integration strategy also emphasizes predefined integration content, open integration, holistic integration, and AI-assisted capabilities.
This means an enterprise should not treat Integration Suite as simply a replacement for an old middleware server.
It can become part of a broader integration operating model on SAP BTP.
What Should an SAP BTP Integration Strategy Cover?
A useful strategy should answer six major questions:
- What do we have today?
- What problems are we trying to solve?
- What should the future integration landscape look like?
- Which integration technology should be used for each scenario?
- How will integrations be governed and operated?
- How will we move from the current landscape to the target state?
The technology should come after the business and architecture requirements are understood.
1. Assess the Current Integration Landscape
The first step is creating visibility.
Document the major systems and interfaces currently operating across the organization.
What Should Be Included in the Assessment?
- Source and target systems
- Interface type
- Integration pattern
- Data exchanged
- Business process supported
- Interface volume
- Frequency
- Business criticality
- Existing middleware
- Custom development
- APIs and events
- Security requirements
- Monitoring approach
- Current ownership
- Known operational problems
This creates a baseline for modernization.
SAP’s ISA-M starts with a technology-agnostic assessment of integration domains, integration styles, and use-case patterns before mapping requirements to technologies.
2. Define the Modernization Goals
Not every organization has the same modernization objectives.
For example, one enterprise may primarily want to:
- Replace legacy middleware
- Support an SAP S/4HANA transformation
- Reduce point-to-point integrations
- Connect more SaaS applications
- Improve API reuse
- Introduce event-driven processes
- Improve monitoring
- Reduce integration maintenance
- Support global expansion
- Establish better governance
These goals should be documented before building the target architecture.
3. Establish SAP Integration Suite as a Strategic Platform
Once the requirements are understood, the enterprise can define where SAP Integration Suite fits.
Depending on the scenario, organizations can use capabilities such as:
- Cloud Integration
- API Management
- Event Mesh
- Integration Assessment
- Integration Advisor
- Open Connectors
- Trading Partner Management
- Prebuilt integration content
The exact combination should depend on the organization’s requirements rather than simply enabling every available capability.
4. Build a Hybrid Integration Strategy
Most large enterprises do not become completely cloud-based overnight.
They continue to operate a mixture of:
- Cloud applications
- SAP systems
- On-premise applications
- Databases
- Legacy platforms
- Partner systems
Therefore, the modernization strategy needs to support hybrid integration.
SAP’s ISA-M specifically addresses hybrid landscapes containing SAP and third-party technologies and applications.
A practical roadmap can therefore allow the organization to modernize integrations gradually rather than attempting a single large migration.
5. Introduce an API Strategy
APIs should be treated as reusable business and technical assets rather than individual project components.
What Should an API Strategy Define?
- Which APIs already exist
- Which APIs should be created
- Who owns each API
- Who can consume it
- Authentication requirements
- Versioning rules
- Lifecycle management
- Monitoring requirements
SAP API Management can form part of this strategy by supporting API security, lifecycle management, and controlled API consumption.
The objective is to reduce duplicated integration logic.
Instead of building separate connections for every application, reusable APIs can expose approved business capabilities to multiple consumers.
6. Use Event-Driven Integration Where It Makes Sense
Not every integration needs to be request-and-response.
Some business scenarios are better suited to events.
Examples of Business Events
- Customer created
- Order confirmed
- Payment completed
- Product updated
- Shipment dispatched
- Employee onboarded
An event-driven approach can allow systems to react to business events without tightly coupling every application to the system producing the event.
SAP Integration Suite includes Event Mesh capabilities for event-driven integration scenarios.
However, event-driven architecture should be introduced where it provides a clear business or technical benefit.
It should not become a goal by itself.
7. Support a Clean Core Strategy
Integration strategy is increasingly connected to SAP clean core objectives.
A modernization program should avoid placing unnecessary custom integration logic directly into the SAP core.
Instead, organizations should evaluate whether integration logic can be handled through appropriate extension and integration capabilities.
SAP’s 2026 clean core integration guidance highlights design, governance, and operations as important factors in controlling integration-related technical debt and improving upgrade stability.
This makes integration architecture an important part of an overall SAP modernization strategy.
8. Modernize Legacy Integration in Phases
Legacy modernization does not mean that every interface needs to be rebuilt immediately.
A better approach is to classify existing integrations.
Integration Modernization Categories
| Category | Recommended Action |
|---|---|
| Business-critical and stable | Assess carefully before migration |
| Simple and reusable | Prioritize for early migration |
| Highly customized | Detailed assessment required |
| Redundant | Retire where possible |
| Business-critical but poorly documented | Document before migration |
| Low-value legacy interface | Consider retirement |
| Suitable for redesign | Modernize rather than simply replicate |
SAP’s current migration guidance recommends assessing the existing environment, developing a modernization plan, then migrating and testing the relevant artifacts.
9. Define Integration Governance
Technology alone does not create a successful integration strategy.
What Should Integration Governance Define?
- Naming conventions
- Development standards
- API standards
- Security requirements
- Error-handling standards
- Logging requirements
- Monitoring responsibilities
- Documentation standards
- Reuse guidelines
- Transport processes
- Version management
- Ownership
SAP’s ISA-M approach includes architecture blueprints, development guidelines, integration guardrails, governance, and quality assurance as part of establishing an integration practice.
10. Create an Integration Center of Excellence
As integration becomes a strategic capability, ownership becomes important.
An Integration Center of Excellence can define standards while allowing individual project teams to deliver integrations within those standards.
What Can an Integration CoE Manage?
- Architecture standards
- Reusable patterns
- Technology decisions
- Integration reviews
- Development guidelines
- Knowledge sharing
- Monitoring standards
- Governance
- Skills development
SAP’s ISA-M explicitly includes establishing an Integration Center of Excellence as part of the organizational enablement phase.
A Practical SAP BTP Integration Modernization Roadmap
A phased roadmap can make modernization easier to control.
Phase 1: Discover
Document:
- Applications
- Interfaces
- Middleware
- APIs
- Events
- Business processes
- Integration owners
- Pain points
Phase 2: Assess
Classify integrations based on:
- Complexity
- Criticality
- Business value
- Technical condition
- Modernization effort
- Dependencies
Phase 3: Design
Define:
- Target integration principles
- SAP BTP role
- Integration Suite capabilities
- API strategy
- Event strategy
- Hybrid connectivity
- Governance model
Phase 4: Pilot
Choose a controlled integration scenario.
The pilot should demonstrate:
- Connectivity
- Security
- Development standards
- Monitoring
- Error handling
- Deployment
- Operational ownership
Phase 5: Modernize
Move integrations in prioritized waves.
Each wave should include:
- Development
- Testing
- Business validation
- Cutover
- Monitoring
- Documentation
- Knowledge transfer
Phase 6: Optimize
After migration, review:
- Integration performance
- Failed messages
- Reusable assets
- API consumption
- Support effort
- Technical debt
- Unused interfaces
Modernization should be treated as an ongoing program rather than a one-time migration.
How to Prioritize Integrations for Modernization
A simple scoring framework can help IT teams prioritize work without making the migration dependent on technical age alone.
Key Prioritization Factors
Business Criticality + Modernization Value + Technical Risk + Complexity + Dependency
For example, an interface that is business-critical, difficult to maintain, and connected to an important transformation program may require earlier attention than an older but low-value interface.
The final prioritization should be based on the organization’s business and technical context.
How SAP BTP Integration Strategy Supports SAP and Non-SAP Systems
A modern enterprise integration strategy should not create another SAP-only silo.
Common Systems in an Enterprise Integration Landscape
- SAP S/4HANA
- SAP SuccessFactors
- SAP Ariba
- SAP Concur
- Salesforce
- ServiceNow
- Microsoft applications
- AWS
- Microsoft Azure
- Databases
- Custom applications
- Partner platforms
SAP’s integration strategy is designed around connecting SAP and non-SAP applications and supporting hybrid environments.
This is particularly important for enterprises where SAP represents only one part of the overall technology landscape.
Measuring SAP BTP Integration Modernization
The program should have measurable outcomes.
Key Integration Modernization KPIs
- Number of legacy interfaces retired
- Number of integrations migrated
- Integration failure rate
- Mean time to resolve integration failures
- API reuse rate
- Percentage of documented interfaces
- Number of duplicate integrations removed
- Integration deployment frequency
- Monitoring coverage
- Support effort per integration
- Percentage of integrations following approved standards
The goal is not simply to increase the number of integrations running on BTP.
The goal is to create a more manageable integration environment.
Common SAP BTP Integration Strategy Mistakes
Treating Modernization as a Lift-and-Shift Exercise
Moving old interfaces without reviewing their business value can carry unnecessary complexity into the new platform.
Choosing Technology Before Understanding the Requirement
Different scenarios may require different integration styles.
Ignoring Non-SAP Applications
The strategy should cover the complete enterprise landscape.
Building APIs Without Governance
Poorly governed APIs can create another layer of technical complexity.
Introducing Events Without a Clear Use Case
Event-driven architecture should solve a real integration requirement.
Migrating Redundant Interfaces
Unused or duplicate interfaces should be identified before migration.
Ignoring Operations
Monitoring, alerting, support, ownership, and documentation should be part of the strategy from the beginning.
Focusing Only on Technology
Successful modernization also requires processes, standards, people, and governance.
SAP BTP Integration Strategy Checklist
Before starting a modernization program, IT leaders should be able to answer:
- Have we documented our current interfaces?
- Do we know which integrations are business-critical?
- Have we identified redundant interfaces?
- Have we defined our target integration principles?
- Do we know where SAP Integration Suite fits?
- Do we have an API strategy?
- Do we have an event strategy?
- Have we considered hybrid integration?
- Is clean core part of the integration design?
- Have we defined security and governance standards?
- Who owns integrations after deployment?
- Do we have an Integration CoE or equivalent governance function?
- Have we created a phased migration roadmap?
- Are success metrics defined?
FAQs
What is an SAP BTP integration strategy?
It is a structured plan for connecting SAP and non-SAP applications, data, APIs, events, and business processes using SAP BTP and appropriate integration technologies.
Is SAP Integration Suite part of SAP BTP?
Yes. SAP Integration Suite is an integration platform capability available on SAP BTP and is a central part of SAP’s current integration strategy.
Can SAP BTP support hybrid integration?
Yes. SAP’s integration methodology and Integration Suite support scenarios involving cloud and on-premise systems across SAP and third-party environments.
Does SAP BTP replace SAP PI/PO?
For organizations modernizing their integration landscape, SAP positions SAP Integration Suite as the cloud-based platform for moving from SAP Process Orchestration and other legacy integration technologies. However, the migration approach should be based on an assessment of the existing interfaces and business requirements.
Should every legacy integration be migrated?
No. A modernization assessment should identify integrations that should be migrated, redesigned, consolidated, or retired.
What is the role of APIs in SAP BTP integration?
APIs provide reusable and governed interfaces through which applications and consumers can access business capabilities and data.
When should enterprises use event-driven integration?
It can be useful when systems need to react to business events asynchronously and when reducing direct coupling between applications provides a clear benefit.
How long does SAP BTP integration modernization take?
The timeline depends on the number and complexity of integrations, existing middleware, business-critical processes, testing requirements, and the target architecture. A phased roadmap is generally easier to manage than attempting to modernize the entire landscape at once.
Final Thoughts
An SAP BTP integration strategy should be treated as a modernization program, not simply a middleware replacement project.
The strongest strategy starts with the current landscape, identifies business priorities, defines future integration principles, and then maps those requirements to SAP BTP and SAP Integration Suite capabilities.
The modernization journey can then progress through assessment, architecture, governance, pilot implementations, migration waves, and continuous optimization.
For enterprises dealing with SAP PI/PO, legacy middleware, growing SaaS adoption, APIs, or increasingly complex hybrid environments, this approach provides a structured path toward a more scalable integration landscape.
