Consolidate marketplace data into a BI dashboard via API

• Connect marketplace APIs to a centralized data layer
• Aggregate sales, orders and performance metrics in one dashboard
• Standardize KPIs across all marketplaces
• Enable real-time or near real-time reporting
• Automate data extraction and visualization

Why marketplace data consolidation is complex

Each marketplace provides its own API, data structure and reporting logic. This makes it difficult to analyze performance across channels without a unified approach.

Common challenges include:

• Different data formats and schemas per marketplace
• Inconsistent KPIs and definitions
• Manual data exports and reporting
• Lack of real-time visibility

Without consolidation, performance analysis remains fragmented and inefficient.

What data should be consolidated in a BI dashboard

To effectively analyze marketplace performance, multiple data sources must be aggregated:

• Sales data: revenue, units sold, order value
• Order data: order status, fulfillment performance
• Product performance: conversion rate, visibility, listing quality
• Error and compliance data: listing issues impacting performance
• Channel-level metrics: performance by marketplace and region

This creates a comprehensive view of marketplace activity.

How to build a marketplace BI dashboard via API

Connect APIs from marketplaces and systems

The first step is to connect APIs from all relevant sources:

• Marketplaces (Amazon, Mirakl, etc.)
• Ecommerce platforms
• ERP or order management systems

APIs enable automated data extraction without manual intervention.

Centralize data in a data warehouse

All incoming data should be stored in a central repository such as a data warehouse. This acts as the foundation for analysis and reporting.

Normalize and standardize data

Since each marketplace uses different formats, data must be transformed into a consistent structure:

• Align KPIs across channels
• Standardize product identifiers and categories
• Ensure consistent timeframes and metrics

This step is critical for accurate comparisons.

Build dashboards in BI tools

Once data is centralized and normalized, it can be visualized using BI tools such as:

• Power BI
• Tableau
• Looker

Dashboards should provide clear insights into sales, performance and operational metrics.

Enable real-time or scheduled updates

Automated pipelines ensure that dashboards remain up to date:

• Real-time updates for critical data
• Scheduled refreshes for reporting

This allows teams to react quickly to performance changes.

Practical example: from fragmented data to unified insights

A brand selling on multiple marketplaces may rely on separate dashboards for each channel, making it difficult to compare performance.

By consolidating data via APIs:

• All marketplace data is accessible in one dashboard
• KPIs are standardized across channels
• Performance trends are easier to identify

This enables better strategic decisions and faster optimization.

How NetMarkets helps

NetMarkets by Lengow simplifies marketplace data consolidation and performance analysis through centralized management and API connectivity.

With NetMarkets, ecommerce teams can:

• Centralize marketplace data across 70+ marketplaces and 200+ channels
• Access unified performance metrics from one platform
• Monitor sales, orders and listing performance in real time
• Integrate with BI tools via APIs for advanced analytics
• Identify errors and optimization opportunities
• Scale data-driven strategies across markets

NetMarkets enables brands to move from fragmented reporting to centralized, actionable insights.

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Conclusion

Consolidating marketplace data into a BI dashboard via APIs is essential for analyzing performance and driving growth. By centralizing data, standardizing KPIs and automating reporting, brands can gain full visibility, make informed decisions and scale their marketplace operations effectively.