Amazon Creators API Credential Checker
Validate your Amazon Creators API credentials against any regional endpoint — instantly.
Your credentials are never stored or logged.
They are sent securely to our server only to make the Amazon API call, then immediately discarded. Nothing is saved to any database or file.
API Credentials
From Amazon Associates Central → Tools → Creators API → Manage Credentials
Auth type: LWA — JSON body POST ·
Endpoint:
api.amazon.com/auth/o2/token ·
Scope: creatorsapi::default
Regional Endpoint Reference
| Region | Version | Auth Type | Token Endpoint | Marketplaces |
|---|---|---|---|---|
| NA | v3.1 | LWA | api.amazon.com/auth/o2/token | US, CA, MX, BR |
| EU | v3.2 | LWA | api.amazon.co.uk/auth/o2/token | UK, DE, FR, IT, ES, NL, BE, EG, IN, IE, PL, SA, SE, TR, AE |
| FE | v3.3 | LWA | api.amazon.co.jp/auth/o2/token | JP, SG, AU |
| NA | v2.1 | Cognito | creatorsapi.auth.us-east-1.amazoncognito.com | US, CA, MX, BR |
| EU | v2.2 | Cognito | creatorsapi.auth.eu-south-2.amazoncognito.com | UK, DE, FR, IT, ES, NL, BE… |
| FE | v2.3 | Cognito | creatorsapi.auth.us-west-2.amazoncognito.com | JP, SG, AU |
Your credentials work globally — the token endpoint only determines how you authenticate, not which marketplaces you can access. Set the target marketplace with the dropdown above and ensure you have a valid Partner Tag for that marketplace.