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HOW-TO GUIDE

How to Integrate ERP
with E-Commerce

Complete step-by-step guide to integrating manufacturing ERP systems with e-commerce platforms. We integrate ERPs daily. Learn the process, challenges, and best practices.

Why This Guide Matters

We integrate manufacturing ERPs with e-commerce platforms regularly. We've connected SAP, Oracle, NetSuite, and custom ERPs to e-commerce stores. We know what works because we do it daily.

This guide isn't theoretical. It's the actual process we use to integrate ERP systems with e-commerce platforms. We've solved real integration challenges and know the pitfalls to avoid.

We understand ERP integration because we do it for our own operations and clients. This means we can share the real process, not marketing fluff.

What is ERP E-Commerce Integration?

ERP e-commerce integration connects your manufacturing ERP system (like SAP, Oracle, NetSuite, or custom ERP) with your e-commerce platform. This connection enables real-time data synchronization between your ERP and online store. For a complete overview, see our ERP integration guide.

What Gets Synchronized

Product data (SKUs, descriptions, specs)
Inventory levels (real-time stock)
Pricing (customer-specific, volume discounts)
Orders (from e-commerce to ERP)
Customer data (accounts, addresses)
Shipping information (tracking, status)

Why Integration Matters

  • Eliminate Manual Data Entry: No more copying orders or updating inventory manually. The systems sync automatically.
  • Prevent Overselling: Real-time inventory sync ensures you never sell products you don't have in stock.
  • Accurate Pricing: Customer-specific pricing, volume discounts, and contract pricing sync automatically from ERP.
  • Faster Order Processing: Orders flow directly from e-commerce to ERP, reducing processing time by 60-80%.
  • Single Source of Truth: Your ERP remains the master system. E-commerce reflects ERP data in real-time.

Step-by-Step Integration Process

01

Assess Your ERP System

Understand your ERP's API capabilities, data structure, and integration options. Not all ERPs are created equal.

Key Tasks:

  • Identify ERP type (SAP, Oracle, NetSuite, custom, etc.)
  • Review ERP API documentation
  • Check available integration methods (REST API, SOAP, file-based)
  • Identify data fields and structure
  • Assess authentication requirements
  • Check rate limits and API constraints

Common Challenges:

  • Some ERPs have limited API access
  • Legacy ERPs may require middleware
  • API documentation can be incomplete
02

Map Data Fields

Create a mapping between ERP fields and e-commerce fields. This is critical for accurate data sync.

Key Tasks:

  • Map product SKUs and identifiers
  • Map inventory fields (quantity, locations)
  • Map pricing fields (base price, customer-specific, discounts)
  • Map customer data fields
  • Map order fields (items, quantities, shipping)
  • Handle field type conversions (text, numbers, dates)

Common Challenges:

  • Field names don't always match
  • Data formats may differ
  • Some fields may not exist in both systems
03

Design Integration Architecture

Design how data will flow between systems. Real-time vs batch, push vs pull, error handling.

Key Tasks:

  • Choose sync method (real-time vs batch)
  • Design API endpoints and webhooks
  • Plan error handling and retry logic
  • Design data transformation layer
  • Plan for rate limiting and throttling
  • Design monitoring and logging

Common Challenges:

  • Real-time sync requires robust error handling
  • Batch sync may have delays
  • Rate limits can cause sync issues
04

Build Integration Layer

Develop the integration code that connects ERP and e-commerce. This is where the technical work happens.

Key Tasks:

  • Set up authentication (API keys, OAuth, etc.)
  • Build API clients for ERP and e-commerce
  • Implement data transformation logic
  • Build sync workflows (inventory, orders, products)
  • Implement error handling and retry logic
  • Add logging and monitoring

Common Challenges:

  • API changes can break integrations
  • Error handling must be comprehensive
  • Testing requires access to both systems
05

Test Integration Thoroughly

Test all integration scenarios with real data. This is critical to catch issues before production.

Key Tasks:

  • Test product data sync
  • Test inventory sync (add, update, delete)
  • Test order creation and processing
  • Test pricing sync (customer-specific, discounts)
  • Test error scenarios (API failures, invalid data)
  • Test performance under load

Common Challenges:

  • Testing requires ERP access
  • Real data may reveal unexpected issues
  • Performance testing needs realistic load
06

Deploy and Monitor

Deploy integration to production and monitor closely. Watch for errors and performance issues.

Key Tasks:

  • Deploy to production environment
  • Monitor sync logs and errors
  • Set up alerts for failures
  • Track sync performance and latency
  • Monitor API rate limits
  • Plan for scaling if needed

Common Challenges:

  • Production issues can affect operations
  • Monitoring must be comprehensive
  • Scaling may be needed as volume grows

Integration Methods

Real-Time API Integration
Direct API calls between ERP and e-commerce. Data syncs immediately when changes occur.

Pros

  • Immediate data sync
  • Most accurate inventory
  • Best user experience

Cons

  • Requires robust error handling
  • Can be affected by API rate limits
  • More complex to implement

Best For: High-volume operations, real-time inventory needs

Batch Sync
Periodic data sync (every hour, every 6 hours, daily). Data syncs in batches on a schedule.

Pros

  • Simpler to implement
  • Less API load
  • More predictable

Cons

  • Data may be slightly outdated
  • Delays in inventory updates
  • May miss rapid changes

Best For: Lower-volume operations, less critical real-time needs

Webhook-Based Integration
ERP sends webhooks when data changes. E-commerce receives notifications and syncs data.

Pros

  • Event-driven sync
  • Efficient (only syncs when needed)
  • Real-time updates

Cons

  • Requires webhook support in ERP
  • Need to handle webhook failures
  • More complex setup

Best For: ERPs with webhook support, event-driven workflows

File-Based Integration
ERP exports data files (CSV, XML). E-commerce imports files periodically. Legacy method.

Pros

  • Works with any ERP
  • Simple to understand
  • No API required

Cons

  • Manual or scheduled file transfers
  • Delays in data sync
  • File format issues

Best For: Legacy ERPs without APIs, simple integrations

Common Challenges & Solutions

ERP API Limitations

Problem: Some ERPs have limited API access, rate limits, or incomplete documentation.

Solution: Use middleware or integration platforms. Implement caching and batching. Work with ERP vendor for API improvements.

Our Experience: We've worked with ERPs that have limited APIs. Middleware and smart caching solve most issues.

Data Format Mismatches

Problem: ERP and e-commerce may use different data formats, field names, or structures.

Solution: Build a transformation layer that converts data between formats. Map fields carefully and handle edge cases.

Our Experience: Data transformation is critical. We build robust mapping layers that handle format differences.

Real-Time Sync Performance

Problem: Real-time sync can be slow or fail under high load, affecting user experience.

Solution: Implement caching, use webhooks for efficiency, add retry logic, and monitor performance closely.

Our Experience: We optimize real-time sync with caching and webhooks. Performance monitoring catches issues early.

Error Handling

Problem: API failures, network issues, or invalid data can break sync and cause data inconsistencies.

Solution: Implement comprehensive error handling, retry logic with exponential backoff, and logging. Queue failed syncs for retry.

Our Experience: Robust error handling is essential. We implement retry queues and comprehensive logging for all integrations.

Customer-Specific Pricing

Problem: B2B pricing is complex. Customer-specific prices, volume discounts, and contract pricing need to sync correctly.

Solution: Map pricing rules carefully. Sync customer data first, then apply pricing rules. Test all pricing scenarios.

Our Experience: B2B pricing sync requires careful mapping. We test all pricing scenarios to ensure accuracy.

Inventory Sync Accuracy

Problem: Inventory levels must be accurate. Overselling or underselling causes problems.

Solution: Use real-time sync for inventory. Implement reservation systems. Handle concurrent updates carefully.

Our Experience: We prioritize inventory accuracy. Real-time sync and reservation systems prevent overselling.

ERP Types & Integration Considerations

SAP

Integration Methods

REST API, SOAP, OData

Considerations

  • Strong API support (SAP API Business Hub)
  • Complex data structures
  • May require SAP-specific expertise
  • Good documentation available

Oracle ERP Cloud

Integration Methods

REST API, SOAP

Considerations

  • REST API support
  • Well-documented APIs
  • OAuth authentication
  • Good for cloud integrations

NetSuite

Integration Methods

REST API, SuiteScript

Considerations

  • Native e-commerce integration options
  • REST API and SuiteScript
  • Good API documentation
  • Cloud-based, easier integration

Microsoft Dynamics

Integration Methods

OData API, REST API

Considerations

  • Multiple versions (on-premise, cloud)
  • OData API support
  • Azure integration options
  • Good Microsoft ecosystem integration

Custom/In-House ERP

Integration Methods

Custom API, file-based, middleware

Considerations

  • May not have APIs
  • Requires custom API development
  • Full control over integration
  • May need middleware

Timeline & Investment

Basic Integration
Timeline
6-10 weeks
Investment
$15,000 - $35,000
Includes
  • Product data sync
  • Basic inventory sync
  • Order creation
  • Standard ERP (good API)
Complex Integration
Timeline
10-16 weeks
Investment
$35,000 - $75,000
Includes
  • Full data sync (products, inventory, orders, customers)
  • Customer-specific pricing
  • Real-time sync
  • Complex ERP or custom requirements
  • Error handling and monitoring

Our Experience with ERP Integration

We integrate manufacturing ERPs with e-commerce platforms regularly. We've connected SAP, Oracle, NetSuite, and custom ERPs to e-commerce stores. We understand the challenges because we solve them daily.

We've built integrations for our own operations and for clients. We know what works, what doesn't, and how to avoid common pitfalls.

When we build ERP integrations for clients, we're applying solutions we've already proven work in production. We know the process, the challenges, and the solutions.

Related Guides

More guides to help you with ERP integration

ERP Integration Service
Our ERP integration development service
Learn about our ERP integration services
ERP Integration Guide
Complete guide to ERP integration
Learn about our ERP integration services
Industrial E-Commerce
E-commerce platforms with ERP integration
Learn about our ERP integration services

Need ERP E-Commerce Integration?

We integrate ERPs with e-commerce platforms regularly. We know the process, the challenges, and the solutions. Let's discuss your integration needs.