{"uid":"cap_H21d-MNUbs6BV3VpG7X5l","slug":"api-crushrewards-dev-4c1bd468","name":"CrushRewards Price Drop Alert","description":"Real-time pricing, promotions, and competitive intelligence across US and Canadian retailers — exposed as paid API endpoints and MCP tools that AI agents can call directly, with x402 and MPP micropayments per query.","url":"https://api.crushrewards.dev/v1/shopper/price-drop-alert?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json"},"example":{"request":{"q":"Apple iPhone 15","country":"us","retailer":"amazon","time_window":"last_30_days"},"response":{"query":"Apple iPhone 15","scope":"listing","country":"us","currency":"USD","retailer":"amazon","condition":"refurbished","entity_uid":"fb2d8565499061b7c42c29a1fdc0fad9","lowest_seen":421.99,"product_uid":"amazon:B0CMPLZDG8","member_count":1,"product_name":"Apple iPhone 15, 128GB, Blue (Renewed)","current_price":421.99,"is_price_drop":true,"lowest_seen_date":"2026-06-17","price_vs_avg_pct":-2.7,"resolved_product":{"scope":"listing","retailer":"amazon","condition":"refurbished","entity_uid":"fb2d8565499061b7c42c29a1fdc0fad9","product_uid":"amazon:B0CMPLZDG8","member_count":1,"product_name":"Apple iPhone 15, 128GB, Blue (Renewed)","product_type":"Smartphone","category_path":"cell-phones-accessories"},"observation_count":2,"avg_price_last_30d":433.5,"insufficient_history":true}},"exampleRequest":{"q":"Apple iPhone 15","country":"us","retailer":"amazon","time_window":"last_30_days"},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.00","successRate":"0.00","reviews":1,"stars":null,"state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Dj6szJ2zaUx-WZXo0rzeY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a product's current price is below its rolling average over a configurable lookback window, returning current price, rolling average, lowest-seen price, and a boolean drop flag.","exampleAgentPrompt":"Check if the current Amazon price for 'Sony WH-1000XM5 headphones' in the US is below its rolling average over the last 60 days — I want to know if it's a real deal right now.","exampleUseCases":[{"title":"Find laptop deal vs history","prompt":"Is the current Best Buy price for the Dell XPS 15 laptop actually a deal right now, or is it just normal pricing? Compare it against its rolling average from the last 30 days and tell me if it's dropped below that — I also want to know the lowest it's ever been."},{"title":"Walmart item rolling average check","prompt":"Check whether the Instant Pot Duo 7-in-1 on Walmart.com in the US is priced below its 60-day rolling average right now — I'm trying to figure out if this is a genuine discount before I buy it today."},{"title":"Canadian retailer price drop alert","prompt":"Look up the current price of the Ninja Creami ice cream maker at a major Canadian retailer and tell me if it's fallen below its recent average — I want the is_price_drop flag, the percentage difference, and the all-time lowest price it's ever hit."}],"resultDescription":"Returns the matched product name, retailer, country, currency, current price, rolling average price over the configured lookback window (field named avg_price_last_30d for backwards compatibility), the percentage difference between current and average price, a boolean is_price_drop flag, and the all-time lowest seen price along with the date it occurred.","failureModes":["No matching product found for the query — returns empty or 404-like response","Retailer not supported for the given country — enum mismatch error","lookback_days out of range (below 1 or above 365) — validation error","Insufficient price history for the lookback window — may return null average","Payment not completed (x402) — 402 Payment Required before data is returned"],"whenToPreferThis":"Use this endpoint when you need to determine in real time whether a specific product's current price represents a genuine discount relative to its recent price history, especially when you need the is_price_drop boolean flag, percentage deviation from average, and all-time lowest price in one call. Prefer this over generic price history endpoints when the goal is deal-detection rather than raw historical data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-06-26T22:24:05.503Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:36:02.427Z","isFirstParty":false,"canonicalSlug":"api-crushrewards-dev-4c1bd468"}