const inputBody = '{
  "type": "object",
  "required": [
    "partNumber",
    "brand",
    "size"
  ],
  "properties": {
    "partNumber": {
      "type": "string",
      "description": "The part number, must be a non-empty string."
    },
    "brand": {
      "type": "string",
      "description": "The brand of the part, must be a non-empty string."
    },
    "size": {
      "type": "string",
      "description": "The size of the part, must be a non-empty string.",
      "example": "8"
    },
    "description": {
      "type": "string",
      "description": "The description of the part, optional and can be nullable.",
      "nullable": true
    },
    "material": {
      "type": "string",
      "description": "The material of the part, optional and can be nullable.",
      "nullable": true
    },
    "series": {
      "type": "string",
      "description": "The series of the part, optional and can be nullable.",
      "nullable": true
    },
    "spec": {
      "type": "string",
      "description": "The specification of the part, optional and can be nullable.",
      "nullable": true
    },
    "imageName": {
      "type": "string",
      "description": "The image name of the part, optional and can be nullable.",
      "nullable": true
    },
    "weightLbs": {
      "type": "number",
      "format": "decimal",
      "description": "The weight of the part in pounds, optional and can be nullable.",
      "nullable": true
    },
    "diametermm": {
      "type": "number",
      "format": "decimal",
      "description": "The diameter of the part in millimeters, optional and can be nullable.",
      "nullable": true
    },
    "lengthmm": {
      "type": "number",
      "format": "decimal",
      "description": "The length of the part in millimeters, optional and can be nullable.",
      "nullable": true
    }
  }
}';
const headers = {
  'Content-Type':'application/json',
  'Accept':'application/json'
};

fetch('https://goldleaf.app/api/v1/ferrules/create',
{
  method: 'POST',
  body: inputBody,
  headers: headers
})
.then(function(res) {
    return res.json();
}).then(function(body) {
    console.log(body);
});