List ASIN Offer Change Events
GET/api/v2/amazon/asins/:asin/offer-events
Offer-change log for an ASIN, newest first, from Amazon's offer-change notifications (kept 90 days): total offers by condition and fulfillment channel, Buy Box-eligible offers, Buy Box holder and price, lowest price, sales rankings and the top 20 offers at that moment. Only available when Competition monitoring is on for the ASIN's brand; otherwise returns 404 with code competition_monitoring_off.
products:readGrant this scope to your token under Settings → Developer → Personal Access Tokens.
Authentication: Requires Bearer token (scope: products, permission: brand_reports.index).
Query:
- integration_instance_id (required) — the Amazon integration the ASIN is sold on
- from / to (YYYY-MM-DD, optional)
- per_page (1–200, default 10), page
Request
Responses
- 200
- 401
- 403
- 404
- 429
OK
Response Headers
Unauthenticated — the bearer token is missing, revoked, expired, or malformed. Never retry automatically; fix the credential. See the Errors guide.
Forbidden — the token lacks a required scope, the endpoint is not available to API tokens, or the user behind the token lacks the permission. A human must adjust the token scopes or user permissions; do not retry.
Not Found
Response Headers
Rate limited — platform limit is 1,000 requests/min; individual tokens may carry lower limits. Honor the Retry-After header before retrying. See the Rate Limits guide.