A custom-built Shopify-to-OnBuy integration that lists your catalog, keeps stock and prices in sync, and imports OnBuy orders back into Shopify for fulfilment. Built, installed and supported by ECOSIRE. Built to order by ECOSIRE for Shopify (build-to-order) — indicative price from $249.00 USD; request a quote for a scoped proposal.
Örnek önizlemeA custom-built Shopify-to-OnBuy integration that lists your catalog, keeps stock and prices in sync, and imports OnBuy orders back into Shopify for fulfilment. Built, installed and supported by ECOSIRE.
Kendiniz kurmanıza gerek yok — ECOSIRE tarafından geliştirilen, kurulan ve desteklenen çalışır bir uygulama.
Tek seferlik geliştirme fiyatıyla başlayın. Kapsamı başlangıçta sizinle birlikte belirleriz.
ECOSIRE, Shopify ortamınızda geliştirir, yapılandırır ve kurar.
Yaklaşık 2–4 haftada yayına alırsınız; lansman sonrası bir destek süresi de dahildir.
OnBuy is one of the UK's fastest-growing marketplaces, and for Shopify merchants who already sell on Amazon and eBay, it's the obvious next channel to diversify into. The problem is that OnBuy has no first-party Shopify app — so most merchants either re-key listings by hand or run two stock systems that drift out of sync within days.
The OnBuy Marketplace Connector closes that gap. ECOSIRE builds, installs and supports a custom Shopify app — embedded in your Shopify admin — that treats Shopify as the single source of truth and pushes your catalog, inventory and pricing to OnBuy automatically, then pulls OnBuy orders back in for fulfilment.
This is not an instant App Store download. It is a build-to-order integration: you buy it here, we scope your catalog and OnBuy seller account, then provision and connect the app to your store. The connector authenticates to Shopify via OAuth with least-privilege scopes, reads products through the Admin GraphQL API, and listens on product, inventory and order webhooks so changes propagate in near real time instead of on a slow polling cycle.
Under the hood it maps Shopify products and variants to OnBuy listings, reconciles multi-location inventory to a single sellable quantity, handles GBP pricing and VAT-inclusive display, and applies your Buy Box and repricing rules within floors and ceilings you control. OnBuy orders are imported as native Shopify orders with line items, customer and shipping data, and tracking is written back to OnBuy on fulfilment.
You get a real channel that runs itself — with a named ECOSIRE engineer behind it, not a faceless support queue. We handle the OnBuy API quirks, the category mapping and the edge cases; you keep selling.
Already runs Shopify plus Amazon and eBay and wants OnBuy as a lower-fee UK channel without adding a third place to manage stock by hand. Needs Shopify to stay the single source of truth so quantities never oversell across channels.
A DTC brand on Shopify ready to test marketplaces, where OnBuy's lower competition is attractive but the lack of a native connector is the blocker. Wants a done-for-you integration rather than a developer hire or a brittle spreadsheet workflow.
Manages hundreds or thousands of SKUs and can't risk manual listing or stock drift. Values multi-location inventory reconciliation, repricing guardrails, audit logs, and a named engineer to call when OnBuy changes its API.
| Kriter | ECOSIRE | Özel Yapı | Rakip | Odoo Yerlisi |
|---|---|---|---|---|
| Works with OnBuy (no native Shopify app exists) | Dahil | Dahil | Kısmi destek | |
| Ready to install instantly with zero setup | Dahil değil | Dahil değil | Dahil | |
| Tailored to your catalog, VAT and repricing rules | Dahil | Dahil | Kısmi destek | |
| Multi-location inventory reconciled to one OnBuy quantity | Dahil | Kısmi destek | Kısmi destek | |
| Named engineer support plus OnBuy API-change maintenance | Dahil | Dahil değil | Kısmi destek | |
| No in-house developer or DevOps required from you | Dahil | Dahil değil | Dahil | |
| One-time price (no per-order or recurring channel fee) | Dahil | Kısmi destek | Dahil değil | |
| UK category mapping with EAN/GTIN validation before listing | Dahil | Kısmi destek | Kısmi destek |
No. OnBuy has no native Shopify app, so this is a build-to-order integration. After you purchase, ECOSIRE provisions a custom Shopify app for your store and installs it in your admin via OAuth. You won't find it as a one-click download, and we don't pretend otherwise — what you get is a connector configured specifically for your catalog and OnBuy seller account.
Typical delivery is around 2-3 weeks from when you provide Shopify collaborator access and OnBuy seller API credentials. The exact lead time depends on catalog size and how clean your product data is (especially EAN/GTIN identifiers, which OnBuy requires). We confirm a realistic date with you at kickoff rather than quoting an unrealistic same-day install.
Every build includes a post-launch support window (confirmed at purchase) covering bug fixes, adjustments, and updates if OnBuy changes its API or category requirements. Because this is custom software we maintain, you have a named ECOSIRE engineer rather than an anonymous queue. After the included window, ongoing support and monitoring are available as a simple maintenance arrangement.
Shopify is the single source of truth. The connector listens on Shopify inventory webhooks and reconciles your multi-location stock into one sellable quantity that it pushes to OnBuy in near real time. When an OnBuy order comes in, it's imported as a Shopify order so the stock decrement flows back through Shopify the same as any other sale, which is what prevents overselling across Amazon, eBay and your storefront.
No. Price sync supports channel-specific rules — you can apply a markup or margin adjustment so OnBuy prices account for marketplace fees, and you set floors and ceilings that any Buy Box repricing must stay within. All prices are handled in GBP with VAT-inclusive display appropriate to the UK marketplace.
We connect via Shopify OAuth using least-privilege scopes — only the product, inventory, order and fulfilment permissions the connector actually needs — and you can revoke access at any time from your Shopify admin. On the OnBuy side we use your seller API credentials. We never use sql.raw-style shortcuts or store more than required, and every sync event is logged for your own audit and reconciliation.
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