---
title: "Connect Amazon Seller Central to Unified"
img: https://s3.us-east-2.amazonaws.com/unified-article-images/connect_amazon_seller_central to_unified-icon.png
date: 2026-05-13T14:25:00.000Z
tag: Guides
description: "| Area           | Unified objects                                                               | Typical use                                                 ..."
url: "https://docs.unified.to/guides/connect_amazon_seller_central to_unified"
---

# Connect Amazon Seller Central to Unified
------
_May 13, 2026_

**What this integration covers**


| Area           | Unified objects                                                               | Typical use                                                                |
| -------------- | ----------------------------------------------------------------------------- | -------------------------------------------------------------------------- |
| **E‑Commerce** | commerce_item, commerce_collection, commerce_inventory, commerce_saleschannel | Catalog, product types, FBA inventory summaries, marketplace participation |
| **Accounting** | commerce_account, accounting_salesorder, accounting_contact                   | Orders and related account/contact style data from SP-API                  |
| **Metadata**   | metadata_metadata                                                             | Custom / structured metadata mapping where supported                       |
Exact read/write support follows your workspace permissions and the integration's object support matrix in the Unified app.


---


**Prerequisites (Amazon side)**

1. **Active Seller Central** account for the marketplaces you care about.
2. **SP-API developer registration** — create and configure a **Selling Partner API** application in the Amazon developer / SP-API flow. Please follow this guide: [https://developer-docs.amazon.com/sp-api/docs/registering-your-application](https://developer-docs.amazon.com/sp-api/docs/registering-your-application)

    ![image.png](https://s3.us-east-2.amazonaws.com/unified-article-images/connect_amazon_seller_central to_unified-0.png)


    ![image.png](https://s3.us-east-2.amazonaws.com/unified-article-images/connect_amazon_seller_central to_unified-1.png)


    ![image.png](https://s3.us-east-2.amazonaws.com/unified-article-images/connect_amazon_seller_central to_unified-2.png)


    Put the redirect_url as shown here: [https://app.unified.to/integrations/amazonsellercentral?tab=oauth2](https://app.unified.to/integrations/amazonsellercentral?tab=oauth2)
    


    ![image.png](https://s3.us-east-2.amazonaws.com/unified-article-images/connect_amazon_seller_central to_unified-3.png)

3. **LWA (Login with Amazon) security profile** linked to that application so you obtain:
- **LWA Client ID**
- **LWA Client Secret**
1. **Marketplace ID(s)** for each marketplace (e.g. US). Reference: Marketplace IDs.
2. **Correct region** for the SP-API endpoint you will use (see below).

**NOTE:** Amazon's SP-API documentation also describes **IAM users/roles and request signing** for many operations. Follow Amazon's current SP-API onboarding for your app (including any **IAM / signing** requirements Amazon still enforces for certain endpoints). If calls fail with auth errors, verify the app's SP-API roles and Amazon's latest auth requirements.


---


**Choose the SP-API region (must match your selling region)**


When connecting, pick the environment that matches where you sell (this selects **authorize URL** and **SP-API base URL**):


| Region            | Host                             |
| ----------------- | -------------------------------- |
| **North America** | **Seller Central** host : .com   |
| **Europe**        | **Seller Central** host : .co.uk |
| **Far East**      | **Seller Central** host : .co.jp |
---


**Connect in Unified (step-by-step)**

1. **Open Integrations** (or your product's connection UI) and activate **Amazon Seller Central**.
2. **Enter OAuth app credentials** from Amazon (LWA **Client ID** and **Client Secret**) in the fields your Unified workspace uses for this integration (same pattern as other OAuth2 apps).
3. **Set Marketplace ID** in the field Unified uses as the developer / connection key for this integration (**labeled as Marketplace ID** in vendor config).
4. **Select the correct regional URL** (North America vs Europe vs Far East) so authorize and API hosts align with your seller account.
5. **Start OAuth** — you will be sent to **Seller Central** to approve the app (/apps/authorize/consent).

---


**Sandbox**


Amazon documents an SP-API sandbox: [https://app.unified.to/integrations/amazonsellercentral?tab=partnership](https://app.unified.to/integrations/amazonsellercentral?tab=partnership) 
Use it if you are testing before production seller data.