GETinvalid 402 · origin + 2 sourcesqualified signals

Get Amazon product reviews by ASIN or URL: review text, star rating, title, author, date, verified-purchase andGET /ecom/reviews · x402 API by cn402

Get Amazon product reviews by ASIN or URL: review text, star rating, title, author, date, verified-purchase and Vine flags, helpful votes and variant, plus the product star-rating breakdown. Async: a first call with asin returns a snapshot id (collection ~40s); call again with that snapshot to fetch reviews. For review mining, sentiment, complaint detection and competitor weakness analysis. 亚马逊评论挖掘与差评分析。

https://api.cn402.com/ecom/reviews

What does this x402 API do?

Get Amazon product reviews by ASIN or URL: review text, star rating, title, author, date, verified-purchase and. This is an x402-gated GET API resource from cn402. TOLL·402 records origin and cross source evidence as of 2026-07-21. The listing records $0.03 USD-denominated per request on Base. No settled paid call has been verified.

Published price: $0.03 USD-denominated per request
Networks: Base
Latest evidence: TOLL·402 records origin and cross source evidence as of 2026-07-21
Resource ID: 444e423d6b7b6d724485b5dd

USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE

AI CODING TOOLS

quote-check.ts

const response = await fetch("https://api.cn402.com/ecom/reviews", {
  method: "GET",
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

This sends no payment. Inspect the 402 response before adding a wallet-enabled client.

JSON ↗developer docs →

STATUS HISTORY

JSON RSS

Exact route checked2026-07-21 06:38 UTC
http 402 invalid · accept-0:resource-mismatch;accept-1:resource-mismatch;accepts-missing
Origin reachable2026-07-21 06:32 UTC
HEAD https://api.cn402.com/ returned 404.
Observed in cdp-bazaar2026-07-10 13:31 UTC
The registry record was observed and retained with provenance.
Observed in 402-index2026-07-10 13:31 UTC
Discovered through bazaar.
Registry record checked2026-07-08 01:58 UTC
Registry health: healthy.

What evidence supports this listing?

cdp-bazaarobserved 2026-07-10 · open source record ↗

402-indexobserved 2026-07-10 · open source record ↗

origin checkHEAD https://api.cn402.com/ → 404 on 2026-07-21

route quoteHTTP 402 returned, but its payment requirements failed protocol validation · 2026-07-21

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →

Which networks and payment options does it accept?

The normalized listing price is $0.03 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.

Baseexact0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913