Amazon Rating Summary API Documentation Read the average rating, the total number of ratings and the share of each star level for one ASIN. The star shares add up to 100. This endpoint gives the rating split without reviews text, which Amazon only shows to signed in customers.
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Endpoint
Parameters
Start with the required fields, then add optional filters only when your use case needs them.
Runnable path
1 required parameter needed before sending a request.
1 optional filter available.
string
Required
Ten character product id in the path. Example: 0735211299.
example
string
Optional
Amazon marketplace. Supported here: US, DE. Default: US.
example.com
Response Schema
Example response fields are illustrative; inspect the JSON before integrating.
Example response fields
Scan these fields before integrating.
data
meta
success
{
"data": {
"asin": "0735211299",
"domain": "US",
"histogram": {
"1": 0,
"2": 0,
"3": 4,
"4": 13,
"5": 83
},
"source_url": "https://www.amazon.com/dp/0735211299",
"total_ratings": 150366,
"average_rating": 4.8
},
"meta": {
"cached": false,
"domain": "US",
"currency": "USD",
"language": "en_US",
"timestamp": "2026-10-31T22:00:00.000000Z",
"response_time_ms": 4200
},
"success": true
}Errors
Handle these documented responses before retrying or showing customer-facing failures.
Not Found
The ASIN does not exist on this marketplace. This response is not billable.
{
"error": "Not found on Amazon.",
"success": false
}Service Unavailable
Amazon could not be reached after several tries. This response is not billable. Retry shortly.
{
"code": "transport_unavailable",
"error": "Amazon could not be reached right now. Try again shortly. No credits were used.",
"success": false
}Generate Code with AI
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