API Integration Services

Appri Infotech connects systems, marketplaces and platforms with API automation so your web business runs smoothly without manual work.

Connect Your Business Systems

From Shopify and Amazon SP-API to payment gateways and custom ERP connectors, our API integration services help digital businesses scale with reduced manual effort.

Shopify, WooCommerce and marketplace integration
Amazon SP-API, eBay, payment and shipping gateway integration
ERP, CRM, inventory and custom system automation

Request API Quote

Marketplace Sync

Sync orders, inventory and pricing across Shopify, Amazon, eBay and other channels.

Payment Gateways

Secure payment APIs, recurring billing and custom checkout automation for better customer experience.

System Automation

Automate order processing, shipping, customer sync and reporting across all your business systems.

Quick answer

What is API integration and what do you integrate?

API integration connects your website or app to other systems so data moves automatically. We integrate payment gateways, Amazon, eBay and other marketplaces, ERPs and CRMs, shipping and stock systems, and build custom REST APIs.

Frequently asked questions

Can you sync stock and prices between my store and marketplaces?

Yes. Stock, price and order sync between eCommerce stores and marketplaces such as Amazon and eBay is a common integration for us.

Do you build APIs as well as consume them?

Yes. We build REST APIs for web and mobile apps, and we connect to third-party APIs.

How is a project priced?

We do not publish fixed prices. After a scoping call we send a written quote — either a fixed price for a defined scope or an hourly / dedicated-developer arrangement for ongoing work.