name: keepa-api description: Fetch Amazon product history (Price, Sales Rank) via Keepa API. Use for checking current prices, trends, and analyzing ASIN data.

Keepa API Skill

This skill retrieves product data from Amazon via the Keepa API using Bun. It provides current pricing, sales rank, and a history of recent changes.

Usage

To fetch product details for a given ASIN:

bun run cli.ts product <ASIN>

To fetch best sellers for a category:

bun run cli.ts bestsellers <CATEGORY>

Features

• Native Bun Implementation: Fast startup, built-in TypeScript support.
• Token Handling: Logs remaining tokens and refill time to stderr.
• History Decoding: Automatically converts Keepa's compressed CSV time format to ISO dates.

Output

The script outputs a JSON object containing:

• Meta: Token usage info (tokensLeft, refillIn).
• Product Info: Title, Brand, Manufacturer.
• Current Stats: Object { amazon, new, used, salesRank } with latest values in cents (e.g., 1999 = $19.99).
• History: Arrays of recent changes for Amazon Price, New Price, and Sales Rank.
  • amazon_price: Sold by Amazon.
  • new_price: 3rd Party New.
  • sales_rank: Best Sellers Rank.

Examples

Fetch data for an ASIN:

bun run cli.ts B0D8T9CQVV

Run Tests:

bun test