Marketplace Integrations
Volanta Labs builds marketplace integrations — connecting sellers' channels so inventory, orders and listings stay in step. The studio has shipped production Amazon SP-API and eBay integrations, and the same architecture carries across Shopify, Walmart and TikTok Shop.
Book a 45-min callWhat's included
- Amazon SP-API and eBay API integration
- Shopify, Walmart Marketplace and TikTok Shop connections
- Inventory, order and listing synchronisation across channels
- OAuth and token lifecycle handling per marketplace
- Rate-limit, throttling and partial-failure handling
- Background sync architecture with overlap protection
Work that proves it
- Packit — Multi-channel e-commerce operations
An operations platform that syncs inventory, orders and shipping across Amazon and eBay from a single dashboard.
- Price Optimizer Pro — AI repricing SaaS
An AI repricer for Amazon FBA sellers that raises prices when competitors go out of stock, optimising for profit over Buy Box wins.
Built with
- Ruby on Rails
- Sidekiq
- Amazon SP-API
- eBay API
- Shopify API
- Walmart Marketplace API
- TikTok Shop API
- NestJS
- React
Common questions
Which marketplaces does Volanta Labs integrate?
Volanta Labs has shipped production integrations with the Amazon Selling Partner API (SP-API) and the eBay API, in Packit — a multi-channel operations platform syncing inventory, orders and shipping across both — and with the Amazon SP-API in Price Optimizer Pro, an AI repricing platform. The studio also builds Shopify, Walmart Marketplace and TikTok Shop integrations, which share the same OAuth, webhook and rate-limit patterns.
What makes a marketplace integration hard to build?
Rate limits and partial failures. Marketplace APIs throttle aggressively and fail intermittently, so an integration that calls them inside the web request cycle will feel broken under real volume. Volanta Labs runs synchronisation as scheduled background jobs with retry logic and locking — in Packit, Sidekiq jobs on staggered intervals with a Redis lock preventing overlapping sweeps — so marketplace latency delays a background job rather than a page load.
Can you connect several marketplaces to one dashboard?
Yes. Packit runs Amazon and eBay from a single screen, opening on total revenue, active orders, low-stock items and connected channel count, with revenue charted by weekday and split per marketplace. The same pattern extends to additional channels: each marketplace becomes a connector feeding one normalised inventory and order model.
Other services
Start a project
Book a 45-minute call to walk through scope, timeline and budget, or email [email protected]. Volanta Labs replies to new enquiries within one business day.
Book a 45-min call