Get price history for a product over time
Get historical price observations for a product within a date range. Returns current price, period low/high/avg, trend (rising/falling/stable), good-deal flag, and an observation time-series for charting.
Query Parameters
Search query (product name, keyword, or brand + model). Required unless product_uid or entity_uid is supplied.
1Stable product identifier returned by a prior Syntalic shopper response. When supplied, the endpoint should pin to this listing instead of re-resolving free text.
1Stable cross-retailer entity identifier returned by a prior Syntalic shopper response. When supplied, the endpoint should resolve within the same physical-product entity.
1Country (us or ca)
us, ca Filter to a specific retailer platform (long-tail specialty stores are also present; any platform key is accepted)
amazon, walmart, target, bestbuy, homedepot, costco, ikea, samsclub, cvs, dillards Historical window preset. Explicit from/to takes precedence and is reported as custom; time_window=custom requires both from and to. Date-only ranges use UTC calendar boundaries with inclusive from and exclusive to.
last_30_days, last_60_days, last_90_days, month_to_date, previous_month, month_over_month, quarter_to_date, custom Start date (ISO 8601, defaults to 30 days ago)
End date (ISO 8601, defaults to now)
Response
Price history
entity, listing 
