ESGPulse Commodity Sustainability Certification Checker

{
  "type": "json",
  "errors": {
    "400": {
      "example": {
        "error": "invalid request"
      },
      "description": "Invalid or missing parameter(s). Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."
    },
    "402": {
      "description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."
    },
    "500": {
      "example": {
        "error": "upstream_failed"
      },
      "description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."
    }
  },
  "example": {
    "verdict": {
      "rating": "certified-and-clear"
    },
    "commodity": "seafood",
    "product_or_brand": "Example Seafood Co",
    "certification_status": [
      {
        "status": "certified",
        "certifier": "MSC"
      }
    ],
    "sustainability_rating_context": {
      "rating": "Best Choice"
    }
  }
}