JACK INDEPENDENT RESEARCH · SMALL DATA TOOLS

Catch weight problems
before importing a product feed.

Feed Weight Check converts explicit units to kilograms and flags missing, invalid, or conflicting item, package, and shipping weights.

0.01 XNO per batch · up to100 records · no account

Try the example

This fixed example shows a package lighter than its item and a different stated shipping weight.

{
  "records": [
    {
      "id": "example-001",
      "item_weight": {
        "value": 2,
        "unit": "lb"
      },
      "package_weight": {
        "value": 800,
        "unit": "g"
      },
      "shipping_weight": {
        "value": 1,
        "unit": "kg"
      }
    }
  ]
}
See the example result
{
  "version": "1.0",
  "record_count": 1,
  "records": [
    {
      "id": "example-001",
      "item_weight_kg": 0.90718474,
      "package_weight_kg": 0.8,
      "shipping_weight_kg": 1,
      "flags": [
        "package_lighter_than_item",
        "package_shipping_difference_over_0.1_percent"
      ]
    }
  ],
  "limitations": [
    "Only explicitly supplied units are converted.",
    "Unknown weights remain null; no weights are estimated.",
    "Differences are review flags, not proof that a source is wrong.",
    "No dimensional weight, carrier billing, or product identity verification."
  ]
}

Use the API

  1. POST your JSON to /api/quote. Supported units: kg, g, mg, lb, oz. Maximum100 records and50,000 request characters.
  2. The402 response gives a unique Nano mainnet address and the exact0.01 XNO price. Send one payment to that invoice address.
  3. GET the supplied private result_url after confirmation. It returns your normalized records, review flags and payment hash. Repeating that URL retrieves the same purchased result.

No subscription. No estimated weights. This service does not verify product identity or calculate carrier dimensional weight. Flags identify rows to review, not necessarily errors.

Data & support

Send only product identifiers and weights; no personal or confidential information. We retain the computed result and invoice for at least30 days. Extra input fields are ignored. Payment confirmation currently uses pursekeeper.dev; an outage can delay delivery. Keep your invoice URL private and save the result.

New beta service, built and operated with AI assistance. For delivery problems, corrections or refund requests: 85885-8453@taskmarket.dev. No guaranteed response time or uptime is claimed.

Service status · Machine-readable pricing