Store Migration: Payments, Integrations, and Logistics

Why is store migration a challenge for payment systems?

Payment systems are among the most critical components of any online store. Even short-term disruptions to transaction processing can result in lost orders and reduced customer trust.

During a store migration, the most common challenges involve:

• compatibility of payment modules with the new platform,
• changes in API communication methods,
• webhook and callback configuration,
• transaction data security,
• preserving payment history and order statuses,
• differences between platform versions.

When migrating to PrestaShop, special attention should be paid to the compatibility of payment provider modules with the specific version of the platform. This applies to integrations such as PayU, Przelewy24, Stripe, and Autopay.

Common payment migration mistakes

Lack of a testing environment

Many businesses deploy payment integrations without thoroughly testing real purchasing scenarios. This can lead to incorrect order statuses or transaction authorization issues.

Changes to callback URLs

After migration, API endpoints responsible for communication with payment providers often change. If these endpoints are not updated correctly, the store may stop receiving payment status updates.

SSL certificate issues

Incorrect SSL configuration can block communication between the store and payment service providers.

How can you reduce the risk?

Recommended best practices include:

• setting up a staging environment,
• testing the complete checkout process,
• running the old and new systems in parallel during the transition,
• preparing a rollback plan,
• monitoring API errors after deployment.

For larger projects, it is also advisable to conduct a comprehensive audit of all integrations before the migration begins.

Best practices for maintaining logistics integrations during migration

Logistics in eCommerce is strongly dependent on automation. Integrations with courier companies are responsible for:

• generating labels,
• creating shipments,
• retrieving tracking numbers,
• synchronizing delivery statuses,
• supporting pickup points.

Migrating an online store without proper preparation can cause serious operational disruptions.

What should be verified before migration?

Courier integration compatibility

Older modules often do not support newer versions of carrier APIs.

System communication

It is worth checking:

• synchronization frequency,
• API limits,
• token authorization,
• error handling.

Delivery method mapping

Incorrect assignment of delivery methods after migration is a common problem.

Example from a project

In one B2B project, a problem appeared after the platform was changed to PrestaShop 8. The courier integration module worked correctly, but the new system interpreted order statuses differently. As a result, shipments were generated automatically for unpaid orders.

The solution involved:

• rebuilding the automation logic,
• implementing additional validations,
• integration testing based on real scenarios.

Logistics best practices during migration

To maintain smooth logistics operations:

• test shipment creation,
• verify the correctness of tracking numbers,
• check status synchronization,
• test pickup point integrations,
• monitor API errors after implementation.

This is a key part of the process if you want to maintain payment and courier operations when changing your online store platform.

Key aspects of API configuration in a new eCommerce environment

Modern eCommerce is based on API integrations. They are responsible for communication between the store and:

• ERP,
• WMS,
• payment operators,
• courier systems,
• marketplaces,
• marketing automation tools.

That is why PrestaShop API configuration after migration must be carried out very carefully.

How to migrate ERP integrations without disrupting store operations

Migrating ERP integrations is one of the most demanding stages of an eCommerce migration project. An ERP system is typically responsible for:

• inventory management,
• pricing,
• sales documents,
• customer synchronization,
• order processing,
• accounting.

Errors in ERP communication can disrupt sales operations within the first hours after the migration goes live.

Key stages of ERP migration

1. Audit of the existing integration

Before starting the migration, it is essential to thoroughly analyze which data is synchronized between systems, how frequently synchronization occurs, which processes are business-critical, and what dependencies exist between individual integrations and tools.

2. Data mapping preparation

The new platform may store products, variants, customers, order statuses, and payment methods differently. Incorrect data mapping is one of the most common causes of post-migration issues.

3. Synchronization testing

It is advisable to test product imports, inventory updates, order processing, and price synchronization to verify that the integration functions correctly after the store migration.

4. Monitoring setup

After launch, synchronization queues, API errors, data processing times, and inventory consistency should be continuously monitored.

ERP integration migration checklist

• audit existing processes,
• prepare data mapping,
• configure API connections,
• test the staging environment,
• perform performance testing,
• monitor the system after launch,
• prepare an emergency recovery plan.

A well-planned ERP integration migration helps avoid downtime and maintain business continuity, even in large-scale eCommerce projects.

Monitoring and optimization after migration

The migration itself does not mark the end of the project. The first few weeks after launch are critical for stabilizing the entire environment.

The most common post-migration issues tend to appear only after the store goes live and starts handling real traffic and orders.

What should be monitored?

Payments

• order status accuracy (whether orders are correctly marked as paid, cancelled, or awaiting payment),
• transaction success rates (whether customers can complete purchases without issues),
• callback errors (whether the store correctly receives payment status updates from payment providers),
• authorization times (how quickly payments are confirmed and orders can proceed to fulfillment).

Logistics

• shipment synchronization (whether shipping data flows correctly between the store and courier systems),
• label generation (whether shipping labels are created correctly for orders),
• tracking information (whether tracking numbers are assigned properly and visible to customers),
• delivery statuses (whether delivery updates are synchronized correctly within the store system).

ERP and API integrations

• synchronization times,
• communication errors,
• API load and performance,
• data consistency across systems.

Useful tools after migration

The following solutions are particularly helpful:

• application log monitoring,
• API error alerts,
• server performance monitoring,
• integration queue analysis,
• ERP synchronization dashboards.

Post-launch optimization

After migration, it is worth regularly reviewing:

• integration performance,
• order processing times,
• system load,
• synchronization stability.

This makes it possible to identify issues quickly and continuously improve the store architecture as sales volume grows.

Summary

Migrating an online store involves far more than simply transferring data and launching a new frontend. eCommerce integrations play a critical role during migration because they ensure the continuity of sales, logistics operations, and customer service.

The greatest risks typically involve:

• payment systems,
• shipping and courier integrations,
• API communication,
• ERP synchronization.

That is why a successful migration requires careful planning, thorough testing, and ongoing monitoring after launch. Particular attention should be paid to:

• maintaining payment and shipping integrations during the platform change,
• proper PrestaShop API configuration,
• secure ERP integration migration.

A well-prepared migration process helps avoid costly mistakes and provides a stable foundation for future eCommerce growth on the new platform.