Build vs. Buy vs. Partner: The AI Demand Forecasting Decision for Mid-Market Supply Chains
Zallpy
Verified Author
31 July
Zallpy delivers SAP Business Technology Platform consulting and development with full-stack execution, not advisory slides or narrow SAP-only staffing. SAP BTP is SAP’s cloud platform for integration, data, AI, and application development, built on four pillars.
What sets Zallpy apart:
SAP Business Technology Platform (BTP) is SAP’s cloud platform for building, integrating, and extending applications around a company’s core SAP systems like S/4HANA. It bundles integration, data and analytics, AI, and application development into one environment, so a business runs those functions on a single platform instead of stitching together separate tools.
For a mid-market CTO, that consolidation solves a specific problem. Custom point-to-point integrations between ERP, warehouse systems, and vendor portals multiply maintenance cost and slow every future change. BTP replaces those brittle connections with managed integration and reusable extension patterns, which shortens time-to-value on S/4HANA and cloud investments already underway.
The platform organizes its services into four pillars.
| Pillar | What it does |
|---|---|
| Integration Suite | Connects SAP and non-SAP systems through prebuilt connectors, APIs, and event-driven flows, replacing custom middleware between ERP, logistics, and partner systems. |
| Data & Analytics | Combines data from multiple sources into governed models and dashboards through SAP Datasphere and SAP Analytics Cloud, giving one reporting layer across the business. |
| AI | Provides SAP AI Core and generative AI services to build chatbots, machine learning models, and embedded intelligence that draw on live SAP data. |
| Application Development & Automation | Supports low-code app building with SAP Build and pro-code development, so custom apps and workflows extend SAP without altering the core system. |
Each pillar addresses a different phase of a modernization roadmap, and most projects use two or more together. An integration project often feeds a new analytics model, and an AI feature depends on both clean data and an application layer to deliver it. Treating the pillars as one connected platform, rather than four separate purchases, is what keeps upgrade paths clean and licensing predictable over a multi-year plan.
Zallpy’s BTP practice covers five capability areas that span the platform end to end, from wiring systems together to shipping the applications that run on top of them. Each area maps to a decision a mid-market technology leader faces during an S/4HANA or cloud program. Zallpy handles Integration Suite design, clean-core and side-by-side extension strategy, AI services on BTP, low-code and pro-code application development, and multi-cloud connectivity across the major hyperscalers.
SAP BTP Integration Suite lets a company connect SAP and non-SAP systems through prebuilt adapters and managed APIs instead of hand-coded middleware. Zallpy uses it to replace the tangle of point-to-point connections that accumulate as mid-market companies add warehouse systems, e-commerce platforms, and third-party logistics tools around a core ERP. Each new connection then follows a shared pattern rather than a one-off script, which keeps maintenance cost flat as the number of integrations grows.
Zallpy starts by mapping the actual data flows across a client’s estate, then models each flow as a reusable integration artifact in the Integration Suite. An ERP-to-warehouse sync, for example, becomes a governed interface with error handling and monitoring built in, so the operations team sees a failed order push instead of discovering it days later. That visibility matters most in supply chain and manufacturing, where a stalled integration stops physical work on a floor.
Faster partner onboarding is the outcome mid-market buyers feel first. When a new vendor sends orders over EDI or a customer expects a REST API, Zallpy configures the exchange against an existing template rather than building a fresh pipeline, which cuts onboarding from weeks to days. The API management layer adds a second benefit, because Zallpy publishes internal capabilities as secured, versioned APIs that partners and internal apps consume without touching the ERP directly.
Reducing custom middleware also lowers long-term risk. Every bespoke integration a company retires is one fewer piece of code to patch when SAP delivers an upgrade, so the Integration Suite work directly protects the clean-core strategy covered next.
Every extension a company builds on top of S/4HANA becomes a liability at the next upgrade unless it lives in the right place. Zallpy helps clients decide where each extension belongs, and that decision shapes upgrade cost and governance for years, not just the current release.
Two options carry different long-term consequences. ABAP Cloud in-app extensions run inside the SAP system using released APIs and stay close to core business logic. Side-by-side extensions live on BTP as separate services and connect back through defined interfaces. Zallpy weighs each candidate extension against upgrade risk, ownership, and the skills a client already has in-house, because a wrong placement forces expensive rework when SAP ships its next version.
For a CTO planning a multi-year roadmap, this becomes a governance and cost question rather than a purely technical one. In-app extensions keep logic tied to the ERP and suit teams with strong ABAP capacity. Side-by-side extensions on BTP give independent scaling and a cleaner separation from the core, which protects the upgrade path but adds an operational surface to manage. Zallpy sets the rule for which pattern applies to which type of change, so future teams inherit a decision framework instead of a pile of one-off judgment calls.
The result is a clean core that upgrades predictably and a set of extensions that survive each release without emergency remediation. Zallpy documents these placement decisions so the roadmap stays coherent as requirements grow. The deeper comparison of ABAP Cloud versus side-by-side, including specific decision criteria, appears in the FAQ below.
SAP BTP AI services are the platform’s machine learning and generative AI tools, anchored by SAP AI Core for training and running models and SAP AI Launchpad for managing them across a landscape. Zallpy uses these services to build AI features that read from SAP data and return results into the same business processes, so a model isn’t a separate system users have to leave their workflow to reach.
Zallpy builds three kinds of AI on BTP. Chatbots and conversational agents answer employee or customer questions against SAP data, such as order status or inventory levels, using SAP AI Core alongside generative AI hooks. Custom machine learning models handle prediction tasks like demand forecasting or maintenance scheduling, trained and served through AI Core so they scale without separate infrastructure. Generative AI features draft documents, summarize records, and surface recommendations inside existing SAP screens.
Zallpy’s applied-AI delivery model sets it apart from firms that stop at strategy. Many firms scope an AI strategy, hand over a slide deck, and leave the client to find engineers who can build it. Zallpy runs strategy and execution under one team, so the demand-forecasting model designed in a workshop is the same one deployed to production and connected to live SAP data. That single accountability line matters most on BTP, where a model is only useful once it reads real transactional data and writes results back where planners and operators already work.
For mid-market companies in supply chain, logistics, manufacturing, and energy, Zallpy pairs applied AI with vertical knowledge, so a forecasting model reflects how those operations actually behave rather than a generic template.
Zallpy builds SAP BTP applications with two toolsets and picks between them based on how complex the business logic actually is. SAP Build handles low-code work, where business users and developers assemble apps, workflows, and process automations through visual tooling. Pro-code development on the Cloud Application Programming model covers the cases where custom logic, performance constraints, or deep data handling exceed what a low-code canvas can express cleanly.
The decision heuristic Zallpy applies is straightforward. Low-code fits approval flows, departmental apps, form-driven processes, and automations that a business team owns and changes often. Pro-code fits anything with complex calculations, high transaction volume, intricate integration logic, or a long maintenance horizon where readable, testable code matters more than build speed.
Many mid-market projects need both, and Zallpy designs for that. A pro-code service can expose clean business logic that a SAP Build workflow then orchestrates, so business users get self-service control over the parts that change while engineers own the parts that must stay stable. That split keeps low-code apps from turning into unmaintainable tangles as requirements grow, a common failure when teams reach for SAP Build on problems that were always going to demand real code. Zallpy makes the low-code versus pro-code call during design rather than mid-build, which keeps the delivery timeline and the maintenance cost predictable.
Most mid-market SAP shops already run workloads on AWS, Azure, or Google Cloud, and SAP BTP has to reach into those environments rather than replace them. Zallpy connects BTP to hyperscaler services so data and applications move between SAP and non-SAP systems without a separate integration layer for each cloud. A logistics client running its data lake on AWS and its analytics on Azure can pull both into BTP-driven processes through one connectivity design.
That range matters because SAP-only boutiques tend to stop at the edge of the SAP stack. Zallpy engineers work directly with hyperscaler storage, identity, and messaging services, which lets a BTP extension consume an Azure event stream or write to an AWS S3 bucket as part of a normal SAP flow. Clients keep their existing cloud investments instead of duplicating them inside SAP.
For a CTO weighing multi-year cloud commitments, that breadth keeps options open. A partner fluent only in SAP tooling forces workarounds every time a process crosses into the hyperscaler side. Zallpy treats BTP as one node in a broader cloud footprint, which keeps architecture decisions open and avoids locking modernization to a single vendor’s roadmap.
Zallpy runs SAP BTP engagements as a consulting-led practice with the engineers to build what the strategy calls for. A recommendation on Integration Suite architecture or a clean-core roadmap comes from the same team that will implement it, which removes the handoff gap that appears when strategy and delivery sit in different companies. That single accountability line matters most on multi-year BTP roadmaps, where a disconnect between advisory and build shows up as rework months later.
Agentic swarm coding changes delivery economics on BTP projects. Instead of one developer working through integration flows, extension logic, and CAP services in sequence, coordinated AI agents generate and test large portions of that code in parallel under engineer review. On a BTP build, that compresses the parts that usually consume the most hours. Integration mappings, side-by-side extension scaffolding, and API layer boilerplate get produced far faster, so a scope that a traditional shop quotes in months lands in weeks. The parallel generation and review of these code layers is what makes modernization faster and more feasible for a mid-market budget.
The economics fit mid-market companies that need BTP value without enterprise-integrator pricing. SAP-only boutiques like LeverX and Mindset Consulting bring deep SAP knowledge but focus on the SAP stack, which fits companies whose needs stay inside SAP but leaves gaps when a project needs faster delivery or connections beyond it. Global firms like Accenture and Deloitte bring scale suited to large enterprise programs, at a cost structure that strains a mid-market budget. Zallpy sits between the two, pairing SAP BTP depth with in-house execution priced for companies below the enterprise tier.
Vertical experience keeps the work grounded in the problems these buyers actually have. Zallpy’s teams have delivered across supply chain, logistics, manufacturing, and energy, so an ERP-to-warehouse integration or a plant-floor extension starts from a working understanding of the domain rather than a discovery phase spent learning it. That context, combined with U.S. time zone alignment, keeps a BTP program moving without the communication lag that slows offshore delivery.
Most SAP BTP work gets sold by two kinds of firms. Generic integrators staff a project and hand back deliverables without owning the outcome. SAP-only boutiques like LeverX and Mindset Consulting know the platform deeply and fit projects that stay inside the SAP stack, though they rarely bring modern AI or acceleration to the build. A mid-market CTO usually needs both platform depth and the range to connect BTP to everything else the business runs, and few firms in either camp provide both.
| Criteria | Zallpy | Generic SAP integrator | SAP-only boutique |
|---|---|---|---|
| Delivery accountability | Owns outcomes end to end | Staffs work, hands back deliverables | Owns SAP scope only |
| Speed and cost | Agentic swarm coding accelerates the build | Standard labor-based timelines | Standard labor-based timelines |
| AI and modernization | Applied AI plus modernization practice | Limited or subcontracted | Narrow, often SAP AI only |
| Breadth beyond SAP | Multi-cloud across AWS, Azure, and GCP | Varies by partner | SAP stack only |
| Mid-market fit | Built for mid-market budgets and pace | Enterprise-scale pricing | Depends on shop size |
Zallpy pairs a consulting-led model with in-house execution, so the same team that designs the BTP architecture also builds it. Agentic swarm coding compresses delivery time and cost, and vertical experience in supply chain, logistics, manufacturing, and energy keeps the work grounded in how those businesses actually operate.
ABAP Cloud in-app extensions fit logic that stays close to core S/4HANA data and follows SAP’s released APIs, while side-by-side extensions on BTP fit logic that needs its own scaling, a separate release cycle, or non-SAP integrations. Choose ABAP Cloud when the extension is tightly coupled to a business process inside S/4HANA and the team wants to avoid a second runtime. Choose side-by-side when the workload calls for independent deployment, custom AI, or heavy traffic that should not compete with ERP resources.
The BTP governance model defines who provisions accounts, who controls subaccounts and directories, and which guardrails keep custom code from breaking upgrades. Zallpy sets this structure up front on every BTP engagement, splitting roles across a global administrator who owns the account structure and delegated administrators who manage subaccounts for dev, test, and production. Establishing that model early keeps S/4HANA upgrades applying cleanly, without rework on the custom layer.
A focused BTP project usually runs from discovery to go-live in roughly three to six months, depending on integration count and extension complexity. A single Integration Suite flow or a low-code app on SAP Build can reach production in weeks, while a multi-system integration landscape with side-by-side extensions and AI services runs longer. Zallpy’s agentic swarm coding compresses the build phase, which pulls many timelines toward the shorter end of that range.
Zallpy pairs consulting-led execution with agentic swarm coding, so SAP BTP projects move from architecture to working software faster and at lower cost than a labor-based delivery model. Mid-market CTOs in supply chain, logistics, manufacturing, and energy get one accountable partner for strategy and delivery, not a slide deck handed off to a separate build team.
Bring a current integration challenge or an S/4HANA extension roadmap to a scoping conversation, and Zallpy will map the Integration Suite, extension, and AI work against your existing multi-cloud investments.