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the completed result includes a structured list of keywords present in competitor listings but absent from the seller's current listing, typically annotated with search volume or relevance signals to prioritize which gaps to close first.","failureModes":["Invalid or missing ASIN/product identifier returns a 400 error","Unsupported marketplace type causes validation failure","Job may remain in 'queued' status if analysis queue is backed up","Competitor data unavailable for niche products yields sparse gap report","Payment failure via x402 protocol prevents job creation"],"whenToPreferThis":"Choose this endpoint when a seller needs to systematically discover which search terms their marketplace listing is failing to target compared to competitive listings — especially useful before relaunching a listing, running a PPC campaign, or optimizing for a seasonal push on Amazon, Walmart, Shopify, or eBay at a very low per-call cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:36:10.756Z","isFirstParty":false}