Amazon Seller Apps, SP-API Tools & Marketplace Automation

Custom Amazon Selling Partner API integrations, seller dashboards, repricing engines, FBA automation, and multi-marketplace tools.

We build software that scales Amazon businesses — SP-API integrations, repricing engines, FBA dashboards, order routing systems, and multi-marketplace analytics. Whether you sell on Amazon.in or globally, we build the automation infrastructure you need.

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Why Choose Xigmapro for Amazon App Development?

Full Amazon SP-API integration — orders, inventory, reports, ads, and finances

FBA automation: auto-create shipments, reconcile fees, track inbound stock

AI-powered repricing engine to win the Buy Box while protecting margins

Multi-marketplace sync: Amazon.in, .com, .co.uk, .de and more

Custom seller dashboard with real-time P&L, inventory health, and alerts

Our Process

1
SP-API Access Setup

Registering your SP-API application and obtaining all required Amazon permissions.

2
Data Architecture

Designing database schema for orders, inventory, pricing, fees, and financial reports.

3
Core SP-API Integrations

Building order sync, inventory management, financial data pulls, and catalog management.

4
Automation Rules

Repricing logic, auto-labeling, FBA shipment creation, and low-stock alerts.

5
Dashboard

Admin dashboard with real-time P&L, inventory health scores, and performance KPIs.

6
Monitoring

API rate limit management, error alerting, and daily sync verification.

Technologies We Use

Amazon SP-APIPython FastAPINode.jsPostgreSQLRedisAWS LambdaReact DashboardCelery

Serving Clients Across Eastern India

Amazon App Development in KolkataAmazon App Development in MumbaiAmazon App Development in DelhiAmazon App Development in Bangalore

Frequently Asked Questions

Amazon SP-API is the modern successor to MWS that lets third-party apps access seller account data — orders, inventory, finances, reports, feeds, catalog, and advertising — programmatically and securely.

Yes — we build rule-based and AI-powered repricing engines that monitor competitor prices and adjust your Amazon listings to maximise Buy Box win rate while protecting your target margin.

Yes — we build systems that sync inventory, orders, and pricing across Amazon.in, Amazon.com, Amazon.co.uk, Amazon.de, and other marketplaces from a single centralised dashboard.

Yes — Amazon has deprecated MWS and all integrations must now use SP-API. We specialise in MWS-to-SP-API migrations with zero data loss and minimal business disruption.

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