addrbookFor publishers
← The evidence ledger

Evidence row 547780

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://asin402.com/api/data/product
Recorded
Previous row
#526641
Body SHA-256
871b2dabc5e0203c3638097cd73986c72981886279cbe596ecdb892ebc906746
Leaf
0xa92121cea44e984e296c074cc4c1a63e8031b683c33a7ad55e3b03ac77895877

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://asin402.com/api/data/product"
    ]
  ],
  "name": "ASIN402",
  "owner_address": "0x820bb89345d372288c77c65d70b6ca3db395c191",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x820bb89345d372288C77c65d70b6CA3dB395C191",
        "scheme": "exact"
      }
    ],
    "description": "Amazon price history API: full product data for 1-100 ASINs. Complete Amazon price history and sales-rank history (full tracked history) plus current prices, buy box, live offers and stock, ratings history, monthly sales, variations, dimensions and fees for 1-100 ASINs (or UPC/EAN) per call. Clean JSON with ISO dates. From $0.005 per product; options like offers and buybox add credits. Use history=0 for current data only. Free sample: /api/sample/data-product",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "asin": "0735211299",
              "buybox": 1,
              "rating": 1
            },
            "type": "http"
          },
          "output": {
            "example": {
              "_meta": {
                "cached": false,
                "marketplace_domain_id": 1,
                "price_paid": "$0.005"
              },
              "products": [
                {
                  "asin": "0735211299",
                  "brand": "Avery",
                  "categories": [
                    {
                      "id": 283155,
                      "name": "Books"
                    },
                    {
                      "id": 4736,
                      "name": "Self-Help"
                    }
                  ],
                  "currency": "USD",
                  "fba_fees": {
                    "pick_and_pack": 5.12
                  },
                  "history": {
                    "BUY_BOX_SHIPPING": [
                      [
                        "2026-04-29T18:40:00.000Z",
                        29.5
                      ],
                      [
                        "2026-05-02T18:40:00.000Z",
                        29.5
                      ]
                    ],
                    "NEW": [
                      [
                        "2026-04-29T18:40:00.000Z",
                        28.5
                      ],
                      [
                        "2026-05-02T18:40:00.000Z",
                        28.5
                      ]
                    ]
                  },
                  "images": [
                    "https://m.media-amazon.com/images/I/81ANaVZk5LL.jpg"
                  ],
                  "last_update": "2026-05-27T00:00:00.000Z",
                  "manufacturer": "Avery",
                  "marketplace": "us",
                  "monthly_sold_estimate": 600,
                  "package": {},
                  "referral_fee_pct": 15,
                  "stats": {
                    "buy_box_price": 24.99,
                    "by_series": {
                      "BUY_BOX_SHIPPING": {},
                      "COUNT_NEW": {},
                      "COUNT_REVIEWS": {},
                      "NEW": {},
                      "RATING": {},
                      "SALES_RANK": {},
                      "USED": {}
                    },
                    "out_of_stock_pct_90d": {
                      "AMAZON": -1,
                      "NEW": 4
                    },
                    "sales_rank_drops30": 410,
                    "sales_rank_drops90": 1150,
                    "total_offer_count": 7
                  },
                  "title": "Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "aplus": {
                      "description": "Include A+ content. No extra cost.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "asin": {
                      "description": "ASIN or comma-separated list of up to 100 ASINs. Use asin OR code.",
                      "type": "string"
                    },
                    "buybox": {
                      "description": "Buy box price, winner history and buy box statistics. +2 credits per product (included free with offers).",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "code": {
                      "description": "UPC, EAN, GTIN or ISBN-13 (comma-separated, up to 100). Use asin OR code.",
                      "type": "string"
                    },
                    "code_limit": {
                      "description": "With code: max products returned per code.",
                      "type": "integer"
                    },
                    "days": {
                      "description": "Limit history to the last N days.",
                      "type": "integer"
                    },
                    "domain": {
                      "description": "Amazon marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us.",
                      "type": "string"
                    },
                    "format": {
                      "description": "clean (default): readable JSON, prices in currency units, ISO dates. raw: compact native format (prices in cents, timestamps as minutes since 2011-01-01, flat history arrays).",
                      "enum": [
                        "clean",
                        "raw"
                      ],
                      "type": "string"
                    },
                    "historical_variations": {
                      "description": "Include historical and out-of-stock variation ASINs. +1 credit per product with a parent.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "history": {
                      "description": "1 (default) includes full price/rank history; 0 removes it for a smaller, faster response.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "offers": {
                      "description": "20-100. Fetch live marketplace offers (sellers, prices, FBA/FBM, Prime). Costs about 6 credits per 10 offers per product instead of the base credit; takes 2-20 seconds.",
                      "type": "integer"
                    },
                    "only_live_offers": {
                      "description": "With offers: return only currently live offers.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "rating": {
                      "description": "Rating and review-count history. Up to +1 credit per product.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "series": {
                      "description": "clean format only. Comma-separated price/rank histories to include, or \"all\". Default BUY_BOX_SHIPPING,AMAZON,NEW,SALES_RANK. Available: AMAZON, NEW, USED, SALES_RANK, LIST_PRICE, COLLECTIBLE, REFURBISHED, NEW_FBM_SHIPPING, LIGHTNING_DEAL, WAREHOUSE, NEW_FBA, COUNT_NEW, COUNT_USED, COUNT_REFURBISHED, COUNT_COLLECTIBLE, EXTRA_INFO_UPDATES, RATING, COUNT_REVIEWS, BUY_BOX_SHIPPING, USED_NEW_SHIPPING, USED_VERY_GOOD_SHIPPING, USED_GOOD_SHIPPING, USED_ACCEPTABLE_SHIPPING, COLLECTIBLE_NEW_SHIPPING, COLLECTIBLE_VERY_GOOD_SHIPPING, COLLECTIBLE_GOOD_SHIPPING, COLLECTIBLE_ACCEPTABLE_SHIPPING, REFURBISHED_SHIPPING, EBAY_NEW_SHIPPING, EBAY_USED_SHIPPING, TRADE_IN, RENT, BUY_BOX_USED_SHIPPING, PRIME_EXCL.",
                      "type": "string"
                    },
                    "stats": {
                      "description": "Add a statistics object (current, averages, min/max) over the last N days. Default 180. 0 to disable. No extra cost.",
                      "type": "integer"
                    },
                    "stock": {
                      "description": "With offers: stock quantity per offer. Up to +2 credits per product.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "update": {
                      "description": "Refresh data older than N hours. 0 = force live refresh (+1 credit per product if recently updated). -1 = never refresh. Default 1.",
                      "type": "integer"
                    },
                    "videos": {
                      "description": "Include video metadata. No extra cost.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "_meta": {
                      "properties": {
                        "cached": {
                          "type": "boolean"
                        },
                        "marketplace_domain_id": {
                          "type": "integer"
                        },
                        "price_paid": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "products": {
                      "items": {
                        "properties": {
                          "asin": {
                            "type": "string"
                          },
                          "brand": {
                            "type": "string"
                          },
                          "categories": {
                            "items": {
                              "properties": {
                                "id": {
                                  "type": "integer"
                                },
                                "name": {
                                  "type": "string"
                                }
                              },
                              "type": "object"
                            },
                            "type": "array"
                          },
                          "currency": {
                            "type": "string"
                          },
                          "fba_fees": {
                            "properties": {
                              "pick_and_pack": {
                                "type": "number"
                              }
                            },
                            "type": "object"
                          },
                          "history": {
                            "properties": {
                              "BUY_BOX_SHIPPING": {
                                "items": {
                                  "type": "array"
                                },
                                "type": "array"
                              },
                              "NEW": {
                                "items": {
                                  "type": "array"
                                },
                                "type": "array"
                              }
                            },
                            "type": "object"
                          },
                          "images": {
                            "items": {
                              "type": "string"
                            },
                            "type": "array"
                          },
                          "last_update": {
                            "type": "string"
                          },
                          "manufacturer": {
                            "type": "string"
                          },
                          "marketplace": {
                            "type": "string"
                          },
                          "monthly_sold_estimate": {
                            "type": "integer"
                          },
                          "package": {
                            "properties": {},
                            "type": "object"
                          },
                          "referral_fee_pct": {
                            "type": "integer"
                          },
                          "stats": {
                            "properties": {
                              "buy_box_price": {
                                "type": "number"
                              },
                              "by_series": {
                                "properties": {
                                  "BUY_BOX_SHIPPING": {
                                    "properties": {},
                                    "type": "object"
                                  },
                                  "COUNT_NEW": {
                                    "properties": {},
                                    "type": "object"
                                  },
                                  "COUNT_REVIEWS": {
                                    "properties": {},
                                    "type": "object"
                                  },
                                  "NEW": {
                                    "properties": {},
                                    "type": "object"
                                  },
                                  "RATING": {
                                    "properties": {},
                                    "type": "object"
                                  },
                                  "SALES_RANK": {
                                    "properties": {},
                                    "type": "object"
                                  },
                                  "USED": {
                                    "properties": {},
                                    "type": "object"
                                  }
                                },
                                "type": "object"
                              },
                              "out_of_stock_pct_90d": {
                                "properties": {
                                  "AMAZON": {
                                    "type": "integer"
                                  },
                                  "NEW": {
                                    "type": "integer"
                                  }
                                },
                                "type": "object"
                              },
                              "sales_rank_drops30": {
                                "type": "integer"
                              },
                              "sales_rank_drops90": {
                                "type": "integer"
                              },
                              "total_offer_count": {
                                "type": "integer"
                              }
                            },
                            "type": "object"
                          },
                          "title": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793047148/bazaar-icons/9e69a0fc0922f515.png",
    "lastUpdated": "2026-10-27T14:41:39.535Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T14:41:39.376Z"
    },
    "resource": "https://asin402.com/api/data/product",
    "serviceName": "ASIN402",
    "tags": [
      "amazon",
      "ecommerce",
      "product-data",
      "price-history",
      "fba"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Amazon price history API: full product data for 1-100 ASINs. Complete Amazon price history and sales-rank history (full tracked history) plus current prices, buy box, live offers and stock, ratings history, monthly sales, variations, dimensions and fees for 1-100 ASINs (or UPC/EAN) per call. Clean JSON with ISO dates. From $0.005 per product; options like offers and buybox add credits. Use history=0 for current data only. Free sample: /api/sample/data-product"
}

What the leaf hashes

{"body":"871b2dabc5e0203c3638097cd73986c72981886279cbe596ecdb892ebc906746","id":547780,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133215495038,"prev":526641,"subject":"x402_bazaar:https://asin402.com/api/data/product","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0xa92133e252992ee82a8da4902ad3905db42efbcd7eb582c567b0efec11faad5a
  2. 0xfd9dcbded6fab75c8707b37172c1fbf11cea55e22b5d863535faeb2f601253b5
  3. 0xaf37663f97b3803753761807ea95826a7b44d4bfd8518634cba88eaf9e9d5702
  4. 0x3d0b2e6c6266bfadf504fcf10bc34d6864802c4ef8acbfe1538ab80cbba160c5
  5. 0xcce4a230edafc5a2baa8a7025d9f6805760b26863599a292ec592a0d207e84d6
  6. 0xbca5bc8a7af6b2bba82a2f94d57da43e0efa07b280df38a16345678765b235f0
  7. 0xc282971ca973e9cfadb4f3a6dfa45ab378c5ac38602487e0d6a2d4a774bb12c5
  8. 0x936855f95de7e78dff2634531444ed7c5175e22376dbdea6b72e84f40b93e6f0
  9. 0x3b297ecb33d8de106f5d3ca04aea1d54934cf7b67bd53f2b8e495252aa262ed3
  10. 0x66292d7dc275bda5e2fa45fdc64a054555e52dfd92cf4a490a407065c4dc896b
  11. 0xaa137eb24ef2339458d7aff21fe0ca92a9e2fc5593798b8e923cb9f5717e4be9
  12. 0xa08d28946903c13551b0c68269e38bfa91b368f8e33183ac691c11e2b5a9506a
  13. 0xb37156a04839055daed26674da38864f8dae598cab9742c6fb3e74eb3178f2d4
  14. 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
  15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
  16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
  17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
  18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON