const inputBody = '{
  "type": "object",
  "required": [
    "number",
    "customer"
  ],
  "properties": {
    "number": {
      "type": "string",
      "description": "The document number, must be a non-empty string."
    },
    "customer": {
      "type": "string",
      "format": "mongo-id",
      "description": "The MongoDB ID of the customer."
    },
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "lineNumber": {
            "type": "number",
            "description": "The line number of the item.",
            "nullable": true
          },
          "quantity": {
            "type": "number",
            "description": "The quantity of the item.",
            "nullable": true
          },
          "price": {
            "type": "number",
            "format": "decimal",
            "description": "The price of the item.",
            "nullable": true
          },
          "unitOfMeasure": {
            "type": "string",
            "description": "The unit of measure for the item.",
            "nullable": true
          },
          "itemType": {
            "type": "string",
            "description": "The type of the item.",
            "nullable": true
          },
          "item": {
            "type": "string",
            "format": "mongo-id",
            "description": "The MongoDB ID of the item.",
            "nullable": true
          }
        }
      },
      "nullable": true
    },
    "taxes": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "The name of the tax.",
            "nullable": true
          },
          "ratePercent": {
            "type": "number",
            "format": "decimal",
            "description": "The rate percent of the tax.",
            "nullable": true
          },
          "amount": {
            "type": "number",
            "format": "decimal",
            "description": "The amount of the tax.",
            "nullable": true
          }
        }
      },
      "nullable": true
    },
    "currency": {
      "type": "string",
      "description": "The currency of the document.",
      "nullable": true
    },
    "comments": {
      "type": "string",
      "description": "Comments about the document.",
      "nullable": true
    },
    "status": {
      "type": "string",
      "description": "The status of the document.",
      "nullable": true
    },
    "revision": {
      "type": "string",
      "description": "The revision of the document.",
      "nullable": true
    },
    "customerName": {
      "type": "string",
      "description": "The name of the customer.",
      "nullable": true
    },
    "subTotalPrice": {
      "type": "number",
      "format": "decimal",
      "description": "The subtotal price of the document.",
      "nullable": true
    },
    "totalPrice": {
      "type": "number",
      "format": "decimal",
      "description": "The total price of the document.",
      "nullable": true
    },
    "documentDate": {
      "type": "string",
      "format": "date",
      "description": "The date of the document.",
      "nullable": true
    },
    "validUntilDate": {
      "type": "string",
      "format": "date",
      "description": "The date until which the document is valid.",
      "nullable": true
    }
  }
}';
const headers = {
  'Content-Type':'application/json',
  'Accept':'application/json'
};

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