{
  "x402Version": 2,
  "id": 71633,
  "slug": "saylorinnovations-api-shipping-freight-class",
  "resource": "https://saylorinnovations.com/api/shipping/freight-class",
  "description": "Freight class hint from weight and dimensions - volume, density and NMFC density class",
  "type": "http",
  "serviceName": "Saylor Innovations  Freight Dens",
  "mimeType": "application/json",
  "resourceType": "API",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
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      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
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    },
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      "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
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      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
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      "amount": "95773",
      "amountUsd": 0.01,
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    }
  ],
  "outputSchema": {
    "type": "object",
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        "type": "number",
        "description": "Weight lb"
      },
      "length_in": {
        "type": "number",
        "description": "Length, in inches"
      },
      "width_in": {
        "type": "number",
        "description": "Width, in inches"
      },
      "height_in": {
        "type": "number",
        "description": "Height, in inches"
      },
      "volume_cubic_in": {
        "type": "number",
        "description": "Volume cubic, in inches"
      },
      "volume_cubic_ft": {
        "type": "number",
        "description": "Volume cubic, in feet"
      },
      "density_lb_per_cubic_ft": {
        "type": "number",
        "description": "Density lb per cubic, in feet"
      },
      "estimated_nmfc_class_hint": {
        "type": "string",
        "description": "Estimated nmfc class hint"
      },
      "formula": {
        "type": "string",
        "description": "Formula used for the calculation"
      },
      "rounding": {
        "type": "string",
        "description": "Rounding rule applied to the figures"
      },
      "scope_note": {
        "type": "string",
        "description": "What this data covers and what it leaves out"
      },
      "service_note": {
        "type": "string",
        "description": "Note about the service behind the data"
      }
    },
    "required": [
      "weight_lb",
      "length_in",
      "width_in",
      "height_in",
      "density_lb_per_cubic_ft",
      "estimated_nmfc_class_hint",
      "scope_note"
    ]
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "height_in": "48",
            "length_in": "48",
            "weight_lb": "500",
            "width_in": "40"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "weight_lb": 500,
            "length_in": 48,
            "width_in": 40,
            "height_in": 48,
            "density_lb_per_cubic_ft": 4.69,
            "estimated_nmfc_class_hint": "200",
            "scope_note": "Density-class hint only; actual class depends on commodity and carrier rules."
          }
        }
      },
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        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "input": {
            "type": "object",
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
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                "enum": [
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                ]
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                    "type": "string",
                    "description": "required positive packaged height in inches (query)"
                  },
                  "length_in": {
                    "type": "string",
                    "description": "required positive packaged length in inches (query)"
                  },
                  "weight_lb": {
                    "type": "string",
                    "description": "required positive shipment weight in pounds (query)"
                  },
                  "width_in": {
                    "type": "string",
                    "description": "required positive packaged width in inches (query)"
                  }
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                "required": [
                  "height_in",
                  "length_in",
                  "weight_lb",
                  "width_in"
                ]
              }
            },
            "required": [
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            "additionalProperties": false
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          "output": {
            "type": "object",
            "properties": {
              "type": {
                "type": "string",
                "const": "json"
              },
              "example": {
                "type": "object",
                "properties": {
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                    "type": "number",
                    "description": "Weight lb"
                  },
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                    "type": "number",
                    "description": "Length, in inches"
                  },
                  "width_in": {
                    "type": "number",
                    "description": "Width, in inches"
                  },
                  "height_in": {
                    "type": "number",
                    "description": "Height, in inches"
                  },
                  "volume_cubic_in": {
                    "type": "number",
                    "description": "Volume cubic, in inches"
                  },
                  "volume_cubic_ft": {
                    "type": "number",
                    "description": "Volume cubic, in feet"
                  },
                  "density_lb_per_cubic_ft": {
                    "type": "number",
                    "description": "Density lb per cubic, in feet"
                  },
                  "estimated_nmfc_class_hint": {
                    "type": "string",
                    "description": "Estimated nmfc class hint"
                  },
                  "formula": {
                    "type": "string",
                    "description": "Formula used for the calculation"
                  },
                  "rounding": {
                    "type": "string",
                    "description": "Rounding rule applied to the figures"
                  },
                  "scope_note": {
                    "type": "string",
                    "description": "What this data covers and what it leaves out"
                  },
                  "service_note": {
                    "type": "string",
                    "description": "Note about the service behind the data"
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                },
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                  "length_in",
                  "width_in",
                  "height_in",
                  "density_lb_per_cubic_ft",
                  "estimated_nmfc_class_hint",
                  "scope_note"
                ]
              }
            },
            "required": [
              "type"
            ]
          }
        },
        "required": [
          "input"
        ]
      }
    }
  },
  "tags": [
    "shipping",
    "carbon",
    "eta",
    "freight-class",
    "emissions"
  ],
  "sourceHost": "saylorinnovations.com",
  "lastUpdated": "2026-10-26T22:14:01.803Z",
  "quality": {},
  "metadata": {
    "serviceName": "Saylor Innovations  Freight Dens",
    "method": "GET",
    "mimeType": "application/json",
    "inputSchema": {
      "type": "object",
      "properties": {
        "height_in": {
          "type": "string",
          "description": "required positive packaged height in inches (query)"
        },
        "length_in": {
          "type": "string",
          "description": "required positive packaged length in inches (query)"
        },
        "weight_lb": {
          "type": "string",
          "description": "required positive shipment weight in pounds (query)"
        },
        "width_in": {
          "type": "string",
          "description": "required positive packaged width in inches (query)"
        }
      },
      "required": [
        "height_in",
        "length_in",
        "weight_lb",
        "width_in"
      ]
    },
    "exampleResponse": {
      "weight_lb": 500,
      "length_in": 48,
      "width_in": 40,
      "height_in": 48,
      "density_lb_per_cubic_ft": 4.69,
      "estimated_nmfc_class_hint": "200",
      "scope_note": "Density-class hint only; actual class depends on commodity and carrier rules."
    },
    "parameterLocation": "query",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "height_in": "48",
              "length_in": "48",
              "weight_lb": "500",
              "width_in": "40"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "weight_lb": 500,
              "length_in": 48,
              "width_in": 40,
              "height_in": 48,
              "density_lb_per_cubic_ft": 4.69,
              "estimated_nmfc_class_hint": "200",
              "scope_note": "Density-class hint only; actual class depends on commodity and carrier rules."
            }
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "type": "object",
          "properties": {
            "input": {
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "type": "string",
                  "enum": [
                    "GET"
                  ]
                },
                "queryParams": {
                  "type": "object",
                  "properties": {
                    "height_in": {
                      "type": "string",
                      "description": "required positive packaged height in inches (query)"
                    },
                    "length_in": {
                      "type": "string",
                      "description": "required positive packaged length in inches (query)"
                    },
                    "weight_lb": {
                      "type": "string",
                      "description": "required positive shipment weight in pounds (query)"
                    },
                    "width_in": {
                      "type": "string",
                      "description": "required positive packaged width in inches (query)"
                    }
                  },
                  "required": [
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                    "length_in",
                    "weight_lb",
                    "width_in"
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                }
              },
              "required": [
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                "method"
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              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "const": "json"
                },
                "example": {
                  "type": "object",
                  "properties": {
                    "weight_lb": {
                      "type": "number",
                      "description": "Weight lb"
                    },
                    "length_in": {
                      "type": "number",
                      "description": "Length, in inches"
                    },
                    "width_in": {
                      "type": "number",
                      "description": "Width, in inches"
                    },
                    "height_in": {
                      "type": "number",
                      "description": "Height, in inches"
                    },
                    "volume_cubic_in": {
                      "type": "number",
                      "description": "Volume cubic, in inches"
                    },
                    "volume_cubic_ft": {
                      "type": "number",
                      "description": "Volume cubic, in feet"
                    },
                    "density_lb_per_cubic_ft": {
                      "type": "number",
                      "description": "Density lb per cubic, in feet"
                    },
                    "estimated_nmfc_class_hint": {
                      "type": "string",
                      "description": "Estimated nmfc class hint"
                    },
                    "formula": {
                      "type": "string",
                      "description": "Formula used for the calculation"
                    },
                    "rounding": {
                      "type": "string",
                      "description": "Rounding rule applied to the figures"
                    },
                    "scope_note": {
                      "type": "string",
                      "description": "What this data covers and what it leaves out"
                    },
                    "service_note": {
                      "type": "string",
                      "description": "Note about the service behind the data"
                    }
                  },
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                    "length_in",
                    "width_in",
                    "height_in",
                    "density_lb_per_cubic_ft",
                    "estimated_nmfc_class_hint",
                    "scope_note"
                  ]
                }
              },
              "required": [
                "type"
              ]
            }
          },
          "required": [
            "input"
          ]
        }
      }
    },
    "examples": [
      {
        "label": "Unpaid discovery call",
        "method": "GET",
        "url": "https://saylorinnovations.com/api/shipping/freight-class?weight_lb=500&length_in=48&width_in=40&height_in=48",
        "expectedStatus": 402
      }
    ],
    "cacheTtlSeconds": 0,
    "capabilities": [],
    "noAccountRequired": true,
    "noApiKeyRequired": true,
    "sideEffects": "Paid calls settle the advertised payment; see the provider contract for execution behavior.",
    "payment": {
      "protocol": "x402",
      "settlement": "direct-to-provider"
    },
    "provider": {
      "name": "Saylor Innovations",
      "host": "saylorinnovations.com",
      "manifestUrl": "https://saylorinnovations.com/.well-known/x402.json"
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": true,
  "featured": false,
  "provider": {
    "host": "saylorinnovations.com",
    "manifest_name": "Saylor Innovations Knowledge Base",
    "source": "submitted",
    "source_manifest_url": "https://saylorinnovations.com/.well-known/x402.json",
    "submitted_at": "2026-10-26T05:52:02.113Z"
  },
  "exampleResponse": {
    "weight_lb": 0,
    "length_in": 0,
    "width_in": 0,
    "height_in": 0,
    "volume_cubic_in": 0,
    "volume_cubic_ft": 0,
    "density_lb_per_cubic_ft": 0,
    "estimated_nmfc_class_hint": "string",
    "formula": "string",
    "rounding": "string",
    "scope_note": "string",
    "service_note": "string"
  }
}