curl --request POST \
  --url https://{brand}.extole.io/api/v4/me/assets \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'asset={
  "data_type": "PRIVATE",
  "name": "name",
  "tags": [
    "tag"
  ]
}' \
  --form 'file={
  "content": {},
  "contentDisposition": {
    "creationDate": "2025-10-24T09:00:00.000Z",
    "fileName": "fileName",
    "modificationDate": "2025-10-24T09:00:00.000Z",
    "parameters": {
      "parameters_key": "parameters_key"
    },
    "readDate": "2025-10-24T09:00:00.000Z",
    "size": 1,
    "type": "type"
  },
  "entity": {},
  "fileName": "fileName",
  "formDataContentDisposition": {
    "creationDate": "2025-10-24T09:00:00.000Z",
    "fileName": "fileName",
    "modificationDate": "2025-10-24T09:00:00.000Z",
    "name": "name",
    "parameters": {
      "parameters_key": "parameters_key"
    },
    "readDate": "2025-10-24T09:00:00.000Z",
    "size": 1,
    "type": "type"
  },
  "headers": {
    "empty": true,
    "headers_key": [
      "headers_key"
    ]
  },
  "mediaType": {
    "parameters": {
      "parameters_key": "parameters_key"
    },
    "subtype": "subtype",
    "type": "type",
    "wildcardSubtype": true,
    "wildcardType": true
  },
  "messageBodyWorkers": {},
  "name": "name",
  "parameterizedHeaders": {
    "empty": true,
    "parameterizedHeaders_key": [
      {
        "parameters": {
          "parameters_key": "parameters_key"
        },
        "value": "value"
      }
    ]
  },
  "parent": {
    "bodyParts": [
      {
        "contentDisposition": {
          "creationDate": "2025-10-24T09:00:00.000Z",
          "fileName": "fileName",
          "modificationDate": "2025-10-24T09:00:00.000Z",
          "parameters": {
            "parameters_key": "parameters_key"
          },
          "readDate": "2025-10-24T09:00:00.000Z",
          "size": 1,
          "type": "type"
        },
        "entity": {},
        "headers": {
          "empty": true,
          "headers_key": [
            "headers_key"
          ]
        },
        "mediaType": {
          "parameters": {
            "parameters_key": "parameters_key"
          },
          "subtype": "subtype",
          "type": "type",
          "wildcardSubtype": true,
          "wildcardType": true
        },
        "messageBodyWorkers": {},
        "parameterizedHeaders": {
          "empty": true,
          "parameterizedHeaders_key": [
            {
              "parameters": {
                "parameters_key": "parameters_key"
              },
              "value": "value"
            }
          ]
        },
        "providers": {}
      }
    ],
    "contentDisposition": {
      "creationDate": "2025-10-24T09:00:00.000Z",
      "fileName": "fileName",
      "modificationDate": "2025-10-24T09:00:00.000Z",
      "parameters": {
        "parameters_key": "parameters_key"
      },
      "readDate": "2025-10-24T09:00:00.000Z",
      "size": 1,
      "type": "type"
    },
    "entity": {},
    "headers": {
      "empty": true,
      "headers_key": [
        "headers_key"
      ]
    },
    "mediaType": {
      "parameters": {
        "parameters_key": "parameters_key"
      },
      "subtype": "subtype",
      "type": "type",
      "wildcardSubtype": true,
      "wildcardType": true
    },
    "messageBodyWorkers": {},
    "parameterizedHeaders": {
      "empty": true,
      "parameterizedHeaders_key": [
        {
          "parameters": {
            "parameters_key": "parameters_key"
          },
          "value": "value"
        }
      ]
    },
    "providers": {}
  },
  "providers": {},
  "simple": true,
  "value": "value"
}'

import requests

url = "https://{brand}.extole.io/api/v4/me/assets"

payload = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"asset\"\r\n\r\n{\r\n  \"data_type\": \"PRIVATE\",\r\n  \"name\": \"name\",\r\n  \"tags\": [\r\n    \"tag\"\r\n  ]\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\n{\r\n  \"content\": {},\r\n  \"contentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"entity\": {},\r\n  \"fileName\": \"fileName\",\r\n  \"formDataContentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"name\": \"name\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"headers\": {\r\n    \"empty\": true,\r\n    \"headers_key\": [\r\n      \"headers_key\"\r\n    ]\r\n  },\r\n  \"mediaType\": {\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"subtype\": \"subtype\",\r\n    \"type\": \"type\",\r\n    \"wildcardSubtype\": true,\r\n    \"wildcardType\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"name\": \"name\",\r\n  \"parameterizedHeaders\": {\r\n    \"empty\": true,\r\n    \"parameterizedHeaders_key\": [\r\n      {\r\n        \"parameters\": {\r\n          \"parameters_key\": \"parameters_key\"\r\n        },\r\n        \"value\": \"value\"\r\n      }\r\n    ]\r\n  },\r\n  \"parent\": {\r\n    \"bodyParts\": [\r\n      {\r\n        \"contentDisposition\": {\r\n          \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"fileName\": \"fileName\",\r\n          \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"size\": 1,\r\n          \"type\": \"type\"\r\n        },\r\n        \"entity\": {},\r\n        \"headers\": {\r\n          \"empty\": true,\r\n          \"headers_key\": [\r\n            \"headers_key\"\r\n          ]\r\n        },\r\n        \"mediaType\": {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"subtype\": \"subtype\",\r\n          \"type\": \"type\",\r\n          \"wildcardSubtype\": true,\r\n          \"wildcardType\": true\r\n        },\r\n        \"messageBodyWorkers\": {},\r\n        \"parameterizedHeaders\": {\r\n          \"empty\": true,\r\n          \"parameterizedHeaders_key\": [\r\n            {\r\n              \"parameters\": {\r\n                \"parameters_key\": \"parameters_key\"\r\n              },\r\n              \"value\": \"value\"\r\n            }\r\n          ]\r\n        },\r\n        \"providers\": {}\r\n      }\r\n    ],\r\n    \"contentDisposition\": {\r\n      \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"fileName\": \"fileName\",\r\n      \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"size\": 1,\r\n      \"type\": \"type\"\r\n    },\r\n    \"entity\": {},\r\n    \"headers\": {\r\n      \"empty\": true,\r\n      \"headers_key\": [\r\n        \"headers_key\"\r\n      ]\r\n    },\r\n    \"mediaType\": {\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"subtype\": \"subtype\",\r\n      \"type\": \"type\",\r\n      \"wildcardSubtype\": true,\r\n      \"wildcardType\": true\r\n    },\r\n    \"messageBodyWorkers\": {},\r\n    \"parameterizedHeaders\": {\r\n      \"empty\": true,\r\n      \"parameterizedHeaders_key\": [\r\n        {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"value\": \"value\"\r\n        }\r\n      ]\r\n    },\r\n    \"providers\": {}\r\n  },\r\n  \"providers\": {},\r\n  \"simple\": true,\r\n  \"value\": \"value\"\r\n}\r\n-----011000010111000001101001--"
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "multipart/form-data"
}

response = requests.post(url, data=payload, headers=headers)

print(response.text)

const form = new FormData();
form.append('asset', '{
  "data_type": "PRIVATE",
  "name": "name",
  "tags": [
    "tag"
  ]
}');
form.append('file', '{
  "content": {},
  "contentDisposition": {
    "creationDate": "2025-10-24T09:00:00.000Z",
    "fileName": "fileName",
    "modificationDate": "2025-10-24T09:00:00.000Z",
    "parameters": {
      "parameters_key": "parameters_key"
    },
    "readDate": "2025-10-24T09:00:00.000Z",
    "size": 1,
    "type": "type"
  },
  "entity": {},
  "fileName": "fileName",
  "formDataContentDisposition": {
    "creationDate": "2025-10-24T09:00:00.000Z",
    "fileName": "fileName",
    "modificationDate": "2025-10-24T09:00:00.000Z",
    "name": "name",
    "parameters": {
      "parameters_key": "parameters_key"
    },
    "readDate": "2025-10-24T09:00:00.000Z",
    "size": 1,
    "type": "type"
  },
  "headers": {
    "empty": true,
    "headers_key": [
      "headers_key"
    ]
  },
  "mediaType": {
    "parameters": {
      "parameters_key": "parameters_key"
    },
    "subtype": "subtype",
    "type": "type",
    "wildcardSubtype": true,
    "wildcardType": true
  },
  "messageBodyWorkers": {},
  "name": "name",
  "parameterizedHeaders": {
    "empty": true,
    "parameterizedHeaders_key": [
      {
        "parameters": {
          "parameters_key": "parameters_key"
        },
        "value": "value"
      }
    ]
  },
  "parent": {
    "bodyParts": [
      {
        "contentDisposition": {
          "creationDate": "2025-10-24T09:00:00.000Z",
          "fileName": "fileName",
          "modificationDate": "2025-10-24T09:00:00.000Z",
          "parameters": {
            "parameters_key": "parameters_key"
          },
          "readDate": "2025-10-24T09:00:00.000Z",
          "size": 1,
          "type": "type"
        },
        "entity": {},
        "headers": {
          "empty": true,
          "headers_key": [
            "headers_key"
          ]
        },
        "mediaType": {
          "parameters": {
            "parameters_key": "parameters_key"
          },
          "subtype": "subtype",
          "type": "type",
          "wildcardSubtype": true,
          "wildcardType": true
        },
        "messageBodyWorkers": {},
        "parameterizedHeaders": {
          "empty": true,
          "parameterizedHeaders_key": [
            {
              "parameters": {
                "parameters_key": "parameters_key"
              },
              "value": "value"
            }
          ]
        },
        "providers": {}
      }
    ],
    "contentDisposition": {
      "creationDate": "2025-10-24T09:00:00.000Z",
      "fileName": "fileName",
      "modificationDate": "2025-10-24T09:00:00.000Z",
      "parameters": {
        "parameters_key": "parameters_key"
      },
      "readDate": "2025-10-24T09:00:00.000Z",
      "size": 1,
      "type": "type"
    },
    "entity": {},
    "headers": {
      "empty": true,
      "headers_key": [
        "headers_key"
      ]
    },
    "mediaType": {
      "parameters": {
        "parameters_key": "parameters_key"
      },
      "subtype": "subtype",
      "type": "type",
      "wildcardSubtype": true,
      "wildcardType": true
    },
    "messageBodyWorkers": {},
    "parameterizedHeaders": {
      "empty": true,
      "parameterizedHeaders_key": [
        {
          "parameters": {
            "parameters_key": "parameters_key"
          },
          "value": "value"
        }
      ]
    },
    "providers": {}
  },
  "providers": {},
  "simple": true,
  "value": "value"
}');

const options = {method: 'POST', headers: {Authorization: '<api-key>'}};

options.body = form;

fetch('https://{brand}.extole.io/api/v4/me/assets', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{brand}.extole.io/api/v4/me/assets",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"asset\"\r\n\r\n{\r\n  \"data_type\": \"PRIVATE\",\r\n  \"name\": \"name\",\r\n  \"tags\": [\r\n    \"tag\"\r\n  ]\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\n{\r\n  \"content\": {},\r\n  \"contentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"entity\": {},\r\n  \"fileName\": \"fileName\",\r\n  \"formDataContentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"name\": \"name\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"headers\": {\r\n    \"empty\": true,\r\n    \"headers_key\": [\r\n      \"headers_key\"\r\n    ]\r\n  },\r\n  \"mediaType\": {\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"subtype\": \"subtype\",\r\n    \"type\": \"type\",\r\n    \"wildcardSubtype\": true,\r\n    \"wildcardType\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"name\": \"name\",\r\n  \"parameterizedHeaders\": {\r\n    \"empty\": true,\r\n    \"parameterizedHeaders_key\": [\r\n      {\r\n        \"parameters\": {\r\n          \"parameters_key\": \"parameters_key\"\r\n        },\r\n        \"value\": \"value\"\r\n      }\r\n    ]\r\n  },\r\n  \"parent\": {\r\n    \"bodyParts\": [\r\n      {\r\n        \"contentDisposition\": {\r\n          \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"fileName\": \"fileName\",\r\n          \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"size\": 1,\r\n          \"type\": \"type\"\r\n        },\r\n        \"entity\": {},\r\n        \"headers\": {\r\n          \"empty\": true,\r\n          \"headers_key\": [\r\n            \"headers_key\"\r\n          ]\r\n        },\r\n        \"mediaType\": {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"subtype\": \"subtype\",\r\n          \"type\": \"type\",\r\n          \"wildcardSubtype\": true,\r\n          \"wildcardType\": true\r\n        },\r\n        \"messageBodyWorkers\": {},\r\n        \"parameterizedHeaders\": {\r\n          \"empty\": true,\r\n          \"parameterizedHeaders_key\": [\r\n            {\r\n              \"parameters\": {\r\n                \"parameters_key\": \"parameters_key\"\r\n              },\r\n              \"value\": \"value\"\r\n            }\r\n          ]\r\n        },\r\n        \"providers\": {}\r\n      }\r\n    ],\r\n    \"contentDisposition\": {\r\n      \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"fileName\": \"fileName\",\r\n      \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"size\": 1,\r\n      \"type\": \"type\"\r\n    },\r\n    \"entity\": {},\r\n    \"headers\": {\r\n      \"empty\": true,\r\n      \"headers_key\": [\r\n        \"headers_key\"\r\n      ]\r\n    },\r\n    \"mediaType\": {\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"subtype\": \"subtype\",\r\n      \"type\": \"type\",\r\n      \"wildcardSubtype\": true,\r\n      \"wildcardType\": true\r\n    },\r\n    \"messageBodyWorkers\": {},\r\n    \"parameterizedHeaders\": {\r\n      \"empty\": true,\r\n      \"parameterizedHeaders_key\": [\r\n        {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"value\": \"value\"\r\n        }\r\n      ]\r\n    },\r\n    \"providers\": {}\r\n  },\r\n  \"providers\": {},\r\n  \"simple\": true,\r\n  \"value\": \"value\"\r\n}\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: multipart/form-data"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://{brand}.extole.io/api/v4/me/assets"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"asset\"\r\n\r\n{\r\n  \"data_type\": \"PRIVATE\",\r\n  \"name\": \"name\",\r\n  \"tags\": [\r\n    \"tag\"\r\n  ]\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\n{\r\n  \"content\": {},\r\n  \"contentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"entity\": {},\r\n  \"fileName\": \"fileName\",\r\n  \"formDataContentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"name\": \"name\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"headers\": {\r\n    \"empty\": true,\r\n    \"headers_key\": [\r\n      \"headers_key\"\r\n    ]\r\n  },\r\n  \"mediaType\": {\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"subtype\": \"subtype\",\r\n    \"type\": \"type\",\r\n    \"wildcardSubtype\": true,\r\n    \"wildcardType\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"name\": \"name\",\r\n  \"parameterizedHeaders\": {\r\n    \"empty\": true,\r\n    \"parameterizedHeaders_key\": [\r\n      {\r\n        \"parameters\": {\r\n          \"parameters_key\": \"parameters_key\"\r\n        },\r\n        \"value\": \"value\"\r\n      }\r\n    ]\r\n  },\r\n  \"parent\": {\r\n    \"bodyParts\": [\r\n      {\r\n        \"contentDisposition\": {\r\n          \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"fileName\": \"fileName\",\r\n          \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"size\": 1,\r\n          \"type\": \"type\"\r\n        },\r\n        \"entity\": {},\r\n        \"headers\": {\r\n          \"empty\": true,\r\n          \"headers_key\": [\r\n            \"headers_key\"\r\n          ]\r\n        },\r\n        \"mediaType\": {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"subtype\": \"subtype\",\r\n          \"type\": \"type\",\r\n          \"wildcardSubtype\": true,\r\n          \"wildcardType\": true\r\n        },\r\n        \"messageBodyWorkers\": {},\r\n        \"parameterizedHeaders\": {\r\n          \"empty\": true,\r\n          \"parameterizedHeaders_key\": [\r\n            {\r\n              \"parameters\": {\r\n                \"parameters_key\": \"parameters_key\"\r\n              },\r\n              \"value\": \"value\"\r\n            }\r\n          ]\r\n        },\r\n        \"providers\": {}\r\n      }\r\n    ],\r\n    \"contentDisposition\": {\r\n      \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"fileName\": \"fileName\",\r\n      \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"size\": 1,\r\n      \"type\": \"type\"\r\n    },\r\n    \"entity\": {},\r\n    \"headers\": {\r\n      \"empty\": true,\r\n      \"headers_key\": [\r\n        \"headers_key\"\r\n      ]\r\n    },\r\n    \"mediaType\": {\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"subtype\": \"subtype\",\r\n      \"type\": \"type\",\r\n      \"wildcardSubtype\": true,\r\n      \"wildcardType\": true\r\n    },\r\n    \"messageBodyWorkers\": {},\r\n    \"parameterizedHeaders\": {\r\n      \"empty\": true,\r\n      \"parameterizedHeaders_key\": [\r\n        {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"value\": \"value\"\r\n        }\r\n      ]\r\n    },\r\n    \"providers\": {}\r\n  },\r\n  \"providers\": {},\r\n  \"simple\": true,\r\n  \"value\": \"value\"\r\n}\r\n-----011000010111000001101001--")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://{brand}.extole.io/api/v4/me/assets")
  .header("Authorization", "<api-key>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"asset\"\r\n\r\n{\r\n  \"data_type\": \"PRIVATE\",\r\n  \"name\": \"name\",\r\n  \"tags\": [\r\n    \"tag\"\r\n  ]\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\n{\r\n  \"content\": {},\r\n  \"contentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"entity\": {},\r\n  \"fileName\": \"fileName\",\r\n  \"formDataContentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"name\": \"name\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"headers\": {\r\n    \"empty\": true,\r\n    \"headers_key\": [\r\n      \"headers_key\"\r\n    ]\r\n  },\r\n  \"mediaType\": {\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"subtype\": \"subtype\",\r\n    \"type\": \"type\",\r\n    \"wildcardSubtype\": true,\r\n    \"wildcardType\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"name\": \"name\",\r\n  \"parameterizedHeaders\": {\r\n    \"empty\": true,\r\n    \"parameterizedHeaders_key\": [\r\n      {\r\n        \"parameters\": {\r\n          \"parameters_key\": \"parameters_key\"\r\n        },\r\n        \"value\": \"value\"\r\n      }\r\n    ]\r\n  },\r\n  \"parent\": {\r\n    \"bodyParts\": [\r\n      {\r\n        \"contentDisposition\": {\r\n          \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"fileName\": \"fileName\",\r\n          \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"size\": 1,\r\n          \"type\": \"type\"\r\n        },\r\n        \"entity\": {},\r\n        \"headers\": {\r\n          \"empty\": true,\r\n          \"headers_key\": [\r\n            \"headers_key\"\r\n          ]\r\n        },\r\n        \"mediaType\": {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"subtype\": \"subtype\",\r\n          \"type\": \"type\",\r\n          \"wildcardSubtype\": true,\r\n          \"wildcardType\": true\r\n        },\r\n        \"messageBodyWorkers\": {},\r\n        \"parameterizedHeaders\": {\r\n          \"empty\": true,\r\n          \"parameterizedHeaders_key\": [\r\n            {\r\n              \"parameters\": {\r\n                \"parameters_key\": \"parameters_key\"\r\n              },\r\n              \"value\": \"value\"\r\n            }\r\n          ]\r\n        },\r\n        \"providers\": {}\r\n      }\r\n    ],\r\n    \"contentDisposition\": {\r\n      \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"fileName\": \"fileName\",\r\n      \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"size\": 1,\r\n      \"type\": \"type\"\r\n    },\r\n    \"entity\": {},\r\n    \"headers\": {\r\n      \"empty\": true,\r\n      \"headers_key\": [\r\n        \"headers_key\"\r\n      ]\r\n    },\r\n    \"mediaType\": {\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"subtype\": \"subtype\",\r\n      \"type\": \"type\",\r\n      \"wildcardSubtype\": true,\r\n      \"wildcardType\": true\r\n    },\r\n    \"messageBodyWorkers\": {},\r\n    \"parameterizedHeaders\": {\r\n      \"empty\": true,\r\n      \"parameterizedHeaders_key\": [\r\n        {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"value\": \"value\"\r\n        }\r\n      ]\r\n    },\r\n    \"providers\": {}\r\n  },\r\n  \"providers\": {},\r\n  \"simple\": true,\r\n  \"value\": \"value\"\r\n}\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{brand}.extole.io/api/v4/me/assets")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"asset\"\r\n\r\n{\r\n  \"data_type\": \"PRIVATE\",\r\n  \"name\": \"name\",\r\n  \"tags\": [\r\n    \"tag\"\r\n  ]\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\n{\r\n  \"content\": {},\r\n  \"contentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"entity\": {},\r\n  \"fileName\": \"fileName\",\r\n  \"formDataContentDisposition\": {\r\n    \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"fileName\": \"fileName\",\r\n    \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"name\": \"name\",\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n    \"size\": 1,\r\n    \"type\": \"type\"\r\n  },\r\n  \"headers\": {\r\n    \"empty\": true,\r\n    \"headers_key\": [\r\n      \"headers_key\"\r\n    ]\r\n  },\r\n  \"mediaType\": {\r\n    \"parameters\": {\r\n      \"parameters_key\": \"parameters_key\"\r\n    },\r\n    \"subtype\": \"subtype\",\r\n    \"type\": \"type\",\r\n    \"wildcardSubtype\": true,\r\n    \"wildcardType\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"name\": \"name\",\r\n  \"parameterizedHeaders\": {\r\n    \"empty\": true,\r\n    \"parameterizedHeaders_key\": [\r\n      {\r\n        \"parameters\": {\r\n          \"parameters_key\": \"parameters_key\"\r\n        },\r\n        \"value\": \"value\"\r\n      }\r\n    ]\r\n  },\r\n  \"parent\": {\r\n    \"bodyParts\": [\r\n      {\r\n        \"contentDisposition\": {\r\n          \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"fileName\": \"fileName\",\r\n          \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n          \"size\": 1,\r\n          \"type\": \"type\"\r\n        },\r\n        \"entity\": {},\r\n        \"headers\": {\r\n          \"empty\": true,\r\n          \"headers_key\": [\r\n            \"headers_key\"\r\n          ]\r\n        },\r\n        \"mediaType\": {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"subtype\": \"subtype\",\r\n          \"type\": \"type\",\r\n          \"wildcardSubtype\": true,\r\n          \"wildcardType\": true\r\n        },\r\n        \"messageBodyWorkers\": {},\r\n        \"parameterizedHeaders\": {\r\n          \"empty\": true,\r\n          \"parameterizedHeaders_key\": [\r\n            {\r\n              \"parameters\": {\r\n                \"parameters_key\": \"parameters_key\"\r\n              },\r\n              \"value\": \"value\"\r\n            }\r\n          ]\r\n        },\r\n        \"providers\": {}\r\n      }\r\n    ],\r\n    \"contentDisposition\": {\r\n      \"creationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"fileName\": \"fileName\",\r\n      \"modificationDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"readDate\": \"2025-10-24T09:00:00.000Z\",\r\n      \"size\": 1,\r\n      \"type\": \"type\"\r\n    },\r\n    \"entity\": {},\r\n    \"headers\": {\r\n      \"empty\": true,\r\n      \"headers_key\": [\r\n        \"headers_key\"\r\n      ]\r\n    },\r\n    \"mediaType\": {\r\n      \"parameters\": {\r\n        \"parameters_key\": \"parameters_key\"\r\n      },\r\n      \"subtype\": \"subtype\",\r\n      \"type\": \"type\",\r\n      \"wildcardSubtype\": true,\r\n      \"wildcardType\": true\r\n    },\r\n    \"messageBodyWorkers\": {},\r\n    \"parameterizedHeaders\": {\r\n      \"empty\": true,\r\n      \"parameterizedHeaders_key\": [\r\n        {\r\n          \"parameters\": {\r\n            \"parameters_key\": \"parameters_key\"\r\n          },\r\n          \"value\": \"value\"\r\n        }\r\n      ]\r\n    },\r\n    \"providers\": {}\r\n  },\r\n  \"providers\": {},\r\n  \"simple\": true,\r\n  \"value\": \"value\"\r\n}\r\n-----011000010111000001101001--"

response = http.request(request)
puts response.read_body