Channel3 Product Price History

Use this endpoint when you need to retrieve historical price data for a specific product identified by its canonical Channel3 product ID. Ideal for price trend analysis, deal detection, or monitoring price changes over time. Prefer this over current-price endpoints when temporal pricing data is needed.

• Missing or empty canonical_product_id returns a 400 validation error
• Product ID not found in Channel3 returns a 404 not found error
• days parameter outside 1-30 range returns a 400 validation error
• Payment not provided or insufficient returns a 402 payment required error
• Channel3 upstream unavailable returns a 502 or 503 error
• Stale or incomplete data if Channel3 has gaps in price tracking history