Amazon Creators API Checker
Validate your Amazon Creators API credentials against any regional endpoint and check real-time ASIN or product accessibility — instantly.
Live API check
Nothing stored
All 6 regional endpoints
v2.x & v3.x supported
ASIN access check
API Credentials
Associates Central → Tools → Creators API → Manage Credentials
Auth: LWA — JSON body POST ·
Endpoint:
api.amazon.com/auth/o2/token ·
Scope: creatorsapi::default
What to check
Validates credentials by fetching a real OAuth2 Bearer token from Amazon. No product calls are made.
or Ctrl+Enter
Regional Endpoints
| Ver | Region | Type |
|---|---|---|
| v3.1 | NA | LWA |
| v3.2 | EU | LWA |
| v3.3 | FE | LWA |
| v2.1 | NA | Cognito |
| v2.2 | EU | Cognito |
| v2.3 | FE | Cognito |
Credentials work globally — the token endpoint only determines how you authenticate.
How to find your version
- Go to Associates Central
- Tools → Creators API → Manage Credentials
- Your credential shows a version label
- If unsure, try v2.2 (EU) — most common for non-US accounts
Product access requirements
- Minimum 10 qualifying sales in 30 days
- Valid Partner Tag for the marketplace
- Creators API access approved in that region
403 = credentials valid but API access not yet approved. 401 = wrong credentials or endpoint for your account.
Catalog endpoint
creatorsapi.amazon
/catalog/v1/getItems
.amazon is a real gTLD owned by Amazon. Some firewalls block it — DNS error on product check means this is why.