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Integration of SAP ERP and S/4HANA with web platforms, B2B portals, and mobile services

Integrating complex corporate systems SAP (ECC, S/4HANA, Business One) with modern web interfaces, e-commerce stores, B2B cabinets and mobile applications. Creating reliable intermediate servers (Middleware) via OData API, SAP RFC/BAPI and REST gateways with guarantee of transactional integrity and protection of corporate data.

✓ Real-time two-way synchronization: warehouse balances, personal prices, order statuses and waybills
✓ Support for modern protocols: operation through SAP OData v2/v4, SAP NetWeaver Gateway, and native BAPI
✓ Isolation and SAP core security: web applications do not load the main ERP server and do not have direct access to the database
✓ Reduction of SAP license costs: creation of lightweight client web interfaces for employees without expensive SAP GUI licenses
SAP S/4HANA & ECC 6.0 SAP OData & NetWeaver BAPI / RFC Connectors SAP CPI / PI / PO Transactional Middleware
Obtain technical estimate
Formats and pricing
ALL IT • SERVICE SPEC
SLA 99.9%
[ Technological IT Solutions ] WARRANTY UNDER AGREEMENT
Two-way synchronizer SAP S/4HANA

Connection: Active • Transactions processed: 84,200/day • Errors: 0 • Delay: 48ms

⏱ Start: 1–3 days 🛡️ NDA: 100% SLA Warranty
🏢
SAP S/4HANA
Full compatibility
🔄
OData Gateway
Two-way queue
🛡️
Zero Lock
Protection of ERP Core
⚡
48ms Sync
Immediate Synchronization
✓ Official contract with fixed cost of work
✓ 100% transfer of rights to code and configuration to the customer
✓ Assigned leading engineer and support 90 days
FULL TRANSFER OF RIGHTS CONTRACT + WARRANTY
Efficiency for Corporations

How the integration of SAP with web services transforms operational processes

Automatic data exchange eliminates manual order transfers, operator errors and delays in shipments

[ 01 ]

Immediate update of inventory levels

B2B clients and buyers on the site see the actual availability of goods on each regional SAP warehouse in real-time mode.

[ 02 ]

Individual price lists and discounts

Automatic pulling of personal contract terms, credit limits, and counterparty discounts directly from the SAP SD module.

[ 03 ]

Savings on SAP licenses

Instead of buying expensive SAP Named User licenses for hundreds of warehouse workers or managers — they work through fast web interfaces.

[ 04 ]

100% Protection from Failures and Order Loss

Buffer brokers queues (RabbitMQ/Kafka) store client orders even during moments when the SAP server is undergoing scheduled restarts.

[ STAGES OF INTEGRATION WITH SAP ]

What is included in the comprehensive development of connectors and gateways to SAP

System engineering work with strict adherence to security regulations of enterprise level

[ STEP 01 ] Audit

SAP landscape audit and data structure mapping

We are examining the available modules (SD, MM, FI, PP), checking for the presence of SAP NetWeaver Gateway or web services, and agreeing on field formats.

[ STEP 02 ] Middleware

Design of fault-tolerant middleware (Middleware)

We are developing an isolated service gateway with request buffering, which protects ERP from overload by external web traffic.

[ STEP 03 ] Connectors

Development of OData / REST / RFC connectors

Program a secure two-way document exchange (orders, counterparties, invoices, balances) through official SAP protocols.

[ STEP 04 ] Queues

Queue processing and error compensation mechanism

We implement message brokers with retries (Retry Strategy) and alerts for logical validation errors in SAP.

[ STEP 05 ] B2B Portal

Creation of a client B2B-portal or cabinet

We are developing a modern adaptive web interface for partners, where they can place orders, download acts and reports.

[ STEP 06 ] Security

Load testing and coordination with IT security

We conduct stress tests for synchronization of thousands of items, check channel encryption (mTLS) and provide detailed documentation.

[ Tariff Plans ]

Integration models with corporate SAP systems

From connecting an existing internet store to creating a comprehensive B2B portal of the ecosystem

For connecting the existing website with the SAP system

Sync gateway (SAP Bridge)

Development of a fault-tolerant intermediate API gateway for automatic transmission of orders and updating of product balances.

Development time: from 4–6 weeks
Work Scope:
✓ Audit of SAP OData / BAPI data structures
✓ Development of an intermediate gateway (Middleware to PHP 8.3 / Go)
✓ Synchronization of product catalog and stock with warehouses
✓ Automatic transfer of new orders to the SAP SD module
✓ Logging of synchronization errors and notification to administrators
✓ 30 days of full warranty support
Choose 'SAP Bridge'
Most popular for distributors and manufacturers ★ Popular

B2B Portal with full SAP integration

Creation of a modern personal cabinet for wholesale counterparties with personal price lists, contracts and acts with SAP.

Development time: from 8–12 weeks
Work Scope:
✓ Everything included in the 'SAP Bridge' package
✓ Development of a modern B2B portal for wholesale partners
✓ Individual contract prices and credit limits with SAP
✓ Loading of invoices, TTNs, and verification acts
✓ Processing bulk orders through Excel/CSV specifications
✓ 60 days of full warranty support
Choose 'B2B Portal + SAP'
For international holding with multiple branches

Enterprise Ecosystem Integration

Multi-channel integration of SAP S/4HANA with CRM, WMS, cash registers, mobile apps for warehouses and analytics.

Development time: from 14–18 weeks
Work Scope:
✓ Everything that is included in the package 'B2B Portal + SAP'
✓ Enterprise Service Bus (ESB)
✓ Mobile app for warehouse workers and couriers
✓ Support for complex production scenarios (SAP PP/MM)
✓ Compliance with the strictest corporate security standards
✓ Dedicated development team and lifetime support under SLA
Choose 'Enterprise SAP'
← Swipe options →
[ COST CALCULATOR ]

Calculate the cost of an integration project with SAP

Select the SAP system version and synchronization scope

1. Version and configuration of your system SAP: Select Variant

2. Direction and volume of data exchange: Select Variant

3. The need for creating a user interface: Select Variant

CHOOSEN PARAMETERS OF THE SOLUTION:
⏱ Estimated Timeline: Calculation... 👥 Team: 2–3 engineers
1. Version and configuration of your system SAP: Modern SAP S/4HANA system (Cloud or On-Premise)
2. Direction and volume of data exchange: Product catalog, prices, inventory + order submission
3. The need for creating a user interface: Only an integration gateway (API Middleware)
✓ Parameters will be fixed in the application form
Get an exact quote
[ STAGES OF COOPERATION ]

How the project is delivered

Transparent process from first contact to final release on your domain.

01
1 Week

Technical audit and signing NDA

We analyze the available interfaces of your SAP server, record exchange structures, and sign a confidentiality agreement.

02
2 weeks

Development of a Middleware test stand

Deployment of an intermediate server and configuration of the first test requests to the test system SAP (Sandbox).

03
3–4 weeks

Programming of business connectors

We implement two-way exchange of goods, counterparties, individual prices and orders

04
1–2 weeks

Stress testing and fault modeling

We simulate temporary SAP unavailability, check message queue operation and synchronization speed.

05
1 Week

Launch on the production environment and support

Connecting the production SAP server, monitoring the first commercial transactions and providing warranty support.

Our Clients

Companies that have entrusted ALL IT Agency with the development and scaling of their digital solutions

DIM Service
Valikhnovski Surgery Institute
Meregi Group
TOV Zagin Alpha
Partner Case 6
Wizeclub
Partner Case 11
Partner Enterprise
Partner Case 5
DIM Service
Valikhnovski Surgery Institute
Meregi Group
TOV Zagin Alpha
Partner Case 6
Wizeclub
Partner Case 11
Partner Enterprise
Partner Case 5
[ FREQUENT QUESTIONS ]

Answers to common questions from customers

Key details regarding terms, independent website editing, and rights transfer.

Never. Our architecture provides for deployment of a separate caching layer (Middleware) with Redis and PostgreSQL databases. Website users interact exclusively with this intermediate gateway. The SAP server receives only compiled batch requests or asynchronous messages from the queue, which fully protects its performance.

No. Integration is carried out through a single system technical account (RFC/API Communication User). Your wholesale clients, buyers or drivers interact with the external web interface, not using named SAP user licenses, which saves tens of thousands of euros annually.

Thanks to the implementation of message brokers (RabbitMQ or Kafka) client orders are instantly stored in a secure intermediate buffer. The client on the website receives a confirmation "Order accepted". As soon as the connection with the SAP server is restored, the queue automatically synchronizes all accumulated documents without losing any transaction.

Yes. We have deep experience working with both modern cloud versions of S/4HANA (via OData services) and older SAP ECC 6.0 versions through BAPI function calls, RFC connectors and file IDoc gateways.

All communication channels are encrypted using the TLS 1.3 protocol with two-way mutual certificate authentication (mTLS). The SAP server remains in a closed environment (VPC / IP Whitelist), accessible exclusively through our dedicated gateway. Before starting the work, a legal non-disclosure agreement (NDA) must be signed.

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Do you need a reliable and fast integration with the SAP system?

Describe your SAP version and list the required processes. Our Enterprise Architect will create an integration diagram and budget calculation within 24 hours.

Confidentiality

Official NDA contract for system audit

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Order integration with SAP

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