# Amazon Product Reviews by ASIN

> Amazon Product Reviews by ASIN is a paid API for AI agents from x402-stock-indicators.vercel.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-13).

Fetches Amazon customer reviews for a product given its ASIN, paid per-call via x402 with USDC on Base or Solana.

## Facts

- Endpoint: GET https://x402-stock-indicators.vercel.app/amazon-reviews/%7Basin%7D
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/amazon-product-reviews-by-asin-e9c38edc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_w5YwoBf0t4b4kmic0PtfK

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability amazon-product-reviews-by-asin-e9c38edc
```

Example prompt: Can you pull the Amazon customer reviews for the product with ASIN B0863TXGM3 so I can see what buyers are saying about it?

## When to prefer this

Choose this endpoint when you need structured Amazon review data for a known ASIN without setting up API keys or subscriptions — ideal for one-off lookups, agent workflows, or pay-per-use scenarios where you only occasionally need review data. Best when you already have the ASIN and want raw review content quickly.

## Known failure modes

- Invalid or non-existent ASIN returns empty reviews array or 404
- Payment failure via x402 protocol prevents data return
- Amazon rate limiting or scraping blocks may cause incomplete results
- Product with no reviews returns empty array
- Stale or cached data may not reflect the most recent reviews

## How this service works

Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.

## Output

Returns a JSON object containing the ASIN, an array of reviews (each with body text, title, author name, star rating, date, and verified purchase flag), and the count of reviews returned.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "required": {
   "type": "string"
  },
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "asin": "B0863TXGM3",
  "reviews": [
   {
    "body": "Sound quality is surprisingly good for the size.",
    "date": "Reviewed in the United States on July 12, 2026",
    "title": "Great little speaker",
    "author": "J. Smith",
    "rating": 5,
    "verified_purchase": true
   }
  ],
  "review_count_returned": 1
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/amazon-product-reviews-by-asin-e9c38edc/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-stock-indicators.vercel.app](https://www.zero.xyz/host/x402-stock-indicators.vercel.app/llms.txt)
