Amazon offers & sellers API (US) by ASIN: the buy-box winner plus third-party sellers, eac

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "6000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {},
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "asin": "B0CX23V2ZK",
          "offers": [
            {
              "condition": "New",
              "conditionNote": "",
              "currency": "USD",
              "discountPercent": 13,
              "displayedPrice": "$25.99",
              "isBuyBox": true,
              "price": 25.99,
              "rank": 1,
              "rating": 4.8,
              "regularPrice": 29.99,
              "reviews": 120453,
              "seller": "Amazon.com",
              "sellerUrl": "https://www.amazon.com/sp?seller=ATVPDKIKX0DER",
              "shipsFrom": "Amazon.com"
            }
          ],
          "total": 3
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "asin": {
                  "description": "10-character Amazon ASIN, e.g. B0HCXW6CDR.",
                  "pattern": "^[A-Z0-9]{10}$",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://products.openverbs.com/v1/amazon-sellers"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://products.openverbs.com/v1/amazon-sellers");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://products.openverbs.com/v1/amazon-sellers")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header