We build custom API integrations and eCommerce automation software connecting Amazon, Flipkart, Walmart, Shopee, eBay, TikTok Shop and more — into one seamless operation.
From a single marketplace connector to a full multi-channel automation platform — we design, build, and deploy exactly what your business needs.
Deep expertise in Amazon Selling Partner API — orders, inventory, listings, reports, feeds, FBA, FBM, advertising, and Brand Analytics. We handle OAuth 2.0, rate limiting, and every endpoint you need.
Custom API integrations for Flipkart, Walmart, Shopee, eBay, Meesho, TikTok Shop, Lazada, and more. One unified data layer.
Build scalable, subscription-based tools for marketplace sellers. From MVP to fully-featured platform — we architect and deliver.
Real-time inventory synchronization across all your sales channels. Prevent overselling, automate order routing, and track every unit from warehouse to customer.
Custom business intelligence dashboards pulling data from all your marketplaces into one view. Sales, profit, PPC, returns — all in real time.
Connect your Amazon and marketplace operations to your fulfilment partners, ERPs, WMS, and accounting systems. Bidirectional, real-time data flows that eliminate manual work entirely across your entire supply chain.
From the world's largest marketplace to India's fastest-growing platforms — we've built and deployed integrations across every major eCommerce ecosystem.
Scale your Amazon operation with custom SP-API tools, automated reporting, inventory intelligence, and seamless third-party integrations.
Offer your clients seamless marketplace connectivity. We build the integration layer that makes your 3PL a competitive advantage for every seller you serve.
Add marketplace API functionality to your existing product without hiring an in-house team. We integrate, maintain, and scale your API layer as you grow.
30-minute session to understand your systems, goals, and integration requirements. No sales pressure.
We map your data flows, define API endpoints, and deliver a detailed technical specification and timeline.
Agile development with weekly demos. Full test coverage before any code goes near your production environment.
Live deployment with monitoring, documentation, and ongoing support. We don't disappear after launch.
Every engineer at eSellerBridge works exclusively in marketplace API and eCommerce integration. You get depth, not bandwidth.
"eSellerBridge built our entire SP-API integration layer from scratch — orders, inventory, and advertising in one system. They understood Amazon's API quirks better than anyone we'd worked with before."
"We needed a single system connecting our Amazon US, Walmart, and Shopify stores to our 3PL. The eSellerBridge team scoped it perfectly, built it fast, and the integration has been rock solid for 6 months."
"We added Flipkart and Meesho integration to our SaaS platform using eSellerBridge. The API complexity was handled completely on their side. Our devs just consumed the clean unified output."
Tell us your integration challenge. We'll map out the architecture, scope the work, and give you a clear plan — no obligation.
Amazon SP-API · Flipkart · Walmart · Shopee · eBay · TikTok Shop · Meesho · and more