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openapi_v2_realtime_reviews

Realtime Reviews V2

Fetch realtime reviews for a given ASIN.

Cursor-based pagination: omit cursor for the first page, then pass nextCursor from the previous response for subsequent pages. nextCursor=null means no more data. Related: /reviews/search for review data with AI tags, /voc/analysis for aggregated insights.

Responses:

200: Successful Response (Success Response) Content-Type: application/json

Example Response:

{
  "success": true,
  "meta": {
    "requestId": "Requestid",
    "timestamp": "Timestamp"
  }
}

Output Schema:

{
  "properties": {
    "success": {
      "type": "boolean",
      "title": "Success",
      "description": "Whether the request was successful",
      "default": true
    },
    "data": {
      "description": "Response data payload"
    },
    "error": {
      "description": "Error details if request failed"
    },
    "meta": {
      "description": "Metadata for API responses.\n\nCredit fields follow the ADR-0003 parallel-fields strategy (Option 3):\n- `credits_remaining` / `credits_consumed` (int): legacy fields, rounded\n  to whole credits, kept for zero-breaking-change to existing SDK clients.\n- `credits_remaining_exact` / `credits_consumed_exact` (float): new\n  precision-aware fields for clients that opt in to decimal credits.\n\nSee ADR-0003 decision 5 and the \u00a78 deprecation timeline.\n\nTODO(2026-11, ADR-0003 \u00a78 +6mo): mark `credits_remaining` /\n`credits_consumed` as `deprecated=True` in their Field() definitions\nand announce in customer changelog.\nTODO(2027-05, ADR-0003 \u00a78 +12mo): remove the legacy int fields via a\nmajor-version bump of the OpenAPI surface.",
      "properties": {
        "requestId": {
          "type": "string",
          "title": "Requestid",
          "description": "Unique request identifier"
        },
        "timestamp": {
          "type": "string",
          "title": "Timestamp",
          "description": "Response timestamp in ISO 8601 format"
        },
        "total": {
          "title": "Total",
          "description": "Total number of records"
        },
        "page": {
          "title": "Page",
          "description": "Current page number"
        },
        "pageSize": {
          "title": "Pagesize",
          "description": "Number of records per page"
        },
        "totalPages": {
          "title": "Totalpages",
          "description": "Total number of pages"
        },
        "creditsRemaining": {
          "title": "Creditsremaining",
          "description": "Remaining API credits (rounded to whole credits; see creditsRemainingExact for precise value)"
        },
        "creditsConsumed": {
          "title": "Creditsconsumed",
          "description": "Credits consumed by this request (rounded; see creditsConsumedExact for precise value)"
        },
        "creditsRemainingExact": {
          "title": "Creditsremainingexact",
          "description": "Remaining API credits, precise to 1 decimal place"
        },
        "creditsConsumedExact": {
          "title": "Creditsconsumedexact",
          "description": "Credits consumed by this request, precise to 1 decimal place"
        },
        "tokensUsage": {
          "description": "Provider token-usage block \u2014 populated on terminal video polls only, null on every non-video endpoint. See TokensUsage for its fields."
        }
      },
      "type": "object",
      "required": [
        "requestId",
        "timestamp"
      ],
      "title": "ResponseMeta"
    }
  },
  "type": "object",
  "required": [
    "meta"
  ],
  "title": "OpenApiResponse[AmazonRealtimeReviews]",
  "examples": []
}

422: Validation Error Content-Type: application/json

Example Response:

{
  "detail": [
    {
      "loc": [],
      "msg": "Message",
      "type": "Error Type",
      "ctx": {}
    }
  ]
}

Output Schema:

{
  "properties": {
    "detail": {
      "items": {
        "properties": {
          "loc": {
            "items": {},
            "type": "array",
            "title": "Location"
          },
          "msg": {
            "type": "string",
            "title": "Message"
          },
          "type": {
            "type": "string",
            "title": "Error Type"
          },
          "input": {
            "title": "Input"
          },
          "ctx": {
            "type": "object",
            "title": "Context"
          }
        },
        "type": "object",
        "required": [
          "loc",
          "msg",
          "type"
        ],
        "title": "ValidationError"
      },
      "type": "array",
      "title": "Detail"
    }
  },
  "type": "object",
  "title": "HTTPValidationError"
}

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
asinYesAmazon Standard Identification Number — the 10-character product id from the Amazon product page URL, e.g. 'B07FR2V8SH'. Case-insensitive (normalized to uppercase).
cursorNoPagination token. Omit for the first page; for the next page, pass the `nextCursor` value from the previous response. A null `nextCursor` in the response means no more pages.
marketplaceNoAmazon marketplace code. Only 'US' is currently supported.US

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changed
    • addedInput schema / properties / marketplace / const
      Added value: +"US"
    • changedInput schema / properties / marketplace / description
      Previous value: -"Amazon marketplace: 'US' (amazon.com, default) or 'UK' (amazon.co.uk)."New value: +"Amazon marketplace code. Only 'US' is currently supported."
    • removedInput schema / properties / marketplace / enum
      Removed value: -[
      -  "US",
      -  "UK"
      -]
  2. Added
  3. Removed
  4. Changed3 schema fields changed
    • changedInput schema / properties / asin / description
      Previous value: -"Amazon Standard Identification Number"New value: +"Amazon Standard Identification Number — the 10-character product id from the Amazon product page URL, e.g. 'B07FR2V8SH'. Case-insensitive (normalized to uppercase)."
    • changedInput schema / properties / cursor / description
      Previous value: -"Pagination token from previous response's nextCursor. Omit for the first page. When the response's nextCursor is null, there are no more pages."New value: +"Pagination token. Omit for the first page; for the next page, pass the `nextCursor` value from the previous response. A null `nextCursor` in the response means no more pages."
    • changedInput schema / properties / marketplace / description
      Previous value: -"Amazon marketplace code"New value: +"Amazon marketplace: 'US' (amazon.com, default) or 'UK' (amazon.co.uk)."
  5. First observed

TDQS

A4.1/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It discloses the pagination contract and the real-time nature of the data, but does not mention prerequisites, rate limits, authentication, or side effects. The detailed output schema (credits, metadata) is embedded but not explained as behavioral traits. This is adequate but not comprehensive.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The narrative part is concise and front-loaded with purpose and pagination. The appended responses and output schemas are lengthy but necessary because there is no separate output schema field. The structure is clear, with a logical flow from purpose to usage to responses.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers the essential aspects: purpose, pagination, related endpoints, and response formats including error handling. It lacks comparison to other realtime tools like openapi_v2_realtime_product, but the mention of two key alternatives is sufficient. Given the tool's moderate complexity, this is reasonably complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with each parameter already having descriptive text. The description repeats the cursor usage guidance from the schema but adds no new meaning for asin or marketplace. Since the schema already carries the weight, and the description provides minimal additive detail, a baseline score of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Fetch realtime reviews for a given ASIN' with a specific verb and resource. It also distinguishes from related tools by naming /reviews/search and /voc/analysis, and explicitly labels it as version V2, providing differentiation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit pagination instructions: omit cursor for first page, pass nextCursor for subsequent pages, and nextCursor=null indicates no more data. It also names alternative endpoints for different use cases (AI tags and aggregated insights), giving clear guidance on when to use this tool versus alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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