SellerSigma
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Multi-Marketplace & Dual Amazon OAuth Integrations

Scale across North America and Europe with official, secure dual Amazon OAuth authorization.

Overview & Capabilities

SellerSigma is built from the ground up for international Amazon sellers. With dual OAuth integration support for both Amazon Advertising API and Selling Partner API (SP-API), you can manage multi-region advertising portfolios seamlessly. Support includes North America (US, Canada, Mexico) and Europe (United Kingdom, Germany, France, Italy, Spain), complete with multi-currency conversion and region-specific bidding strategies.

Key Benefits

Dual OAuth Connection Architecture

Separate secure authorizations for Amazon Advertising API and Seller Central SP-API.

North America & Europe Coverage

Full support for US, CA, MX, UK, DE, FR, IT, and ES seller accounts.

Enterprise Grade Security

Official Amazon OAuth 2.0 PKCE flow. We never request or store your Amazon account password.

Multi-Currency Analytics

View aggregated revenue, spend, and ACoS metrics in USD, EUR, or GBP.

How It Works Step-by-Step

01

Navigate to Connections Page

Go to Connections under your Account section in the left navigation sidebar.

02

Select Marketplace Region

Choose North America or Europe and select Amazon Ads API or SP-API.

03

Authorize on Amazon

You'll be redirected to Amazon's secure OAuth login page to approve access.

04

Connection Active

Once approved, SellerSigma immediately begins syncing campaign and catalog data.

Technical Specifications

Authentication StandardAmazon LWA (Login with Amazon) OAuth 2.0 with PKCE
Supported RegionsNA (US, CA, MX) & EU (UK, DE, FR, IT, ES)
API EndpointsAmazon Advertising API v3 & Selling Partner API (SP-API)
Credential StorageEncrypted AES-256 token vault

Frequently Asked Questions

Do I need separate connections for North America and Europe?

Yes. Amazon requires separate OAuth authorizations for North American and European regional endpoints.

What happens if an Amazon OAuth token expires?

SellerSigma automatically refreshes access tokens using Amazon's secure refresh token mechanism without requiring you to re-login.

Ready to Experience Multi-Marketplace & Dual Amazon OAuth Integrations?

Get started with SellerSigma in under 5 minutes and scale your Amazon Sponsored Products automatically.