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Easyparser — Amazon Product & Seller Data

get_bestseller_rank

Read-only

Get a product's current Best Sellers Rank (BSR): its numerical rank in main categories and sub-category node identifiers. A lightweight, single-purpose tool for popularity and demand tracking.

Use this tool when you only need the rank — e.g. 'Is this product selling well?' or daily rank monitoring. Lower rank number means higher sales velocity. If you also need price, rating or content, use get_product_detail instead (it includes BSR along with everything else). For historical rank trends, use get_sales_history. Costs 1 credit.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
asinYesAmazon Standard Identification Number — a 10-character alphanumeric product identifier (e.g. B0CJB6V2L5). Found in the product URL after /dp/ or /gp/product/.
domainNoAmazon marketplace domain extension. Determines the regional Amazon site the data is fetched from. Use the domain that matches the user's market — prices, availability and rankings differ across marketplaces..com

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataNoParsed Amazon data for the operation.
successYesTrue when the request completed.
operationYesEasyparser operation that ran, e.g. DETAIL or OFFER.
request_idNoEasyparser request ID, useful for support and error logs.
credits_usedNoCredits charged for this request.
credits_remainingNoCredits left on the account after this request.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "http://json-schema.org/draft-07/schema#",
      +  "additionalProperties": false,
      +  "properties": {
      +    "credits_remaining": {
      +      "description": "Credits left on the account after this request.",
      +      "type": "number"
      +    },
      +    "credits_used": {
      +      "description": "Credits charged for this request.",
      +      "type": "number"
      +    },
      +    "data": {
      +      "description": "Parsed Amazon data for the operation."
      +    },
      +    "operation": {
      +      "description": "Easyparser operation that ran, e.g. DETAIL or OFFER.",
      +      "type": "string"
      +    },
      +    "request_id": {
      +      "description": "Easyparser request ID, useful for support and error logs.",
      +      "type": "string"
      +    },
      +    "success": {
      +      "description": "True when the request completed.",
      +      "type": "boolean"
      +    }
      +  },
      +  "required": [
      +    "success",
      +    "operation"
      +  ],
      +  "type": "object"
      +}
  2. First observed

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