# Services from api.crushrewards.dev on Zero

> api.crushrewards.dev serves 13 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.crushrewards.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.crushrewards.dev/health.json

## Services

- [CrushRewards Price Dispersion Analyzer](https://www.zero.xyz/c/api-crushrewards-dev-e139c1da/llms.txt): $0.02/call via x402. Analyzes price spread within a product category, returning mean, standard deviation, coefficient of variation, and p10–p90 percentiles with IQR-based outlier exclusion.
- [Brand Price & Availability Tracker](https://www.zero.xyz/c/api-crushrewards-dev-29f6fd30/llms.txt): $0.01/call via x402. Returns day-by-day time series of average, min, and max price, product count, in-stock count, and promo count for a specific brand across a date range.
- [Crush Rewards Competitive Landscape](https://www.zero.xyz/c/api-crushrewards-dev-e7edb32a/llms.txt): $0.01/call via x402. Returns all products and their current pricing within a category across major retailers, sortable and cursor-paginated for competitive benchmarking.
- [Brand Price Positioning Classifier](https://www.zero.xyz/c/api-crushrewards-dev-8455c452/llms.txt): $0.01/call via x402. Compares a brand's average price to its category average and median, then classifies the brand as premium, mid-range, or value positioned.
- [Crush Rewards Promo Intelligence](https://www.zero.xyz/c/api-crushrewards-dev-5a70c258/llms.txt): $0.01/call via x402. Analyzes promotional activity for brands within a product category, returning promo frequency, average discount depth, and max discount depth per brand over a date range.
- [CrushRewards Best Price Finder](https://www.zero.xyz/c/api-crushrewards-dev-fc4196ad/llms.txt): $0.01/call via x402. Finds the lowest current price for a product across Amazon, Walmart, Costco, Home Depot, Nordstrom, and IKEA in the US or Canada
- [CrushRewards Deal Finder](https://www.zero.xyz/c/api-crushrewards-dev-5e870e16/llms.txt): $0.01/call via x402. Discovers actively-promoted discounted products in a category above a minimum discount threshold, ranked by discount depth with price, list price, and retailer.
- [CrushRewards Price History](https://www.zero.xyz/c/api-crushrewards-dev-ab9fd2c7/llms.txt): $0.01/call via x402. Returns historical price observations for a product over a date range, including current price, period low/high/avg, trend direction, and a good-deal flag.
- [Crush Rewards Category Summary](https://www.zero.xyz/c/api-crushrewards-dev-7cfa370d/llms.txt): $0.02/call via x402. Returns high-level statistics for a product category including product/brand/retailer counts, pricing (avg/min/max/median), average rating, promotional rate, in-stock rate, and top brands.
- [Crush Rewards Share-of-Shelf API](https://www.zero.xyz/c/api-crushrewards-dev-e80935d4/llms.txt): $0.01/call via x402. Returns share-of-shelf marketing insights — brand and product visibility metrics — for a given product category and country.
- [Crush Rewards Retailer Price Index](https://www.zero.xyz/c/api-crushrewards-dev-a14f6c8b/llms.txt): $0.02/call via x402. Computes a normalized daily price index (retailer average price / category average price) for a specific retailer over a date range, showing how a retailer prices relative to its category baseline.
- [CrushRewards Category Inflation Tracker](https://www.zero.xyz/c/api-crushrewards-dev-b16a7dfd/llms.txt): $0.02/call via x402. Tracks category-level retail price inflation over time with configurable daily, weekly, or monthly granularity, returning period-over-period and overall percentage change.
- [CrushRewards Price Drop Alert](https://www.zero.xyz/c/api-crushrewards-dev-4c1bd468/llms.txt): $0.01/call via x402. 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.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)