curl --location 'https://api-sandbox.appcharge.com/components/v1/asset' \
--header 'x-publisher-token: TOKEN' \
--form 'type="product"' \
--form 'name="filename"' \
--form 'file=@"PATH/TO/FILE"'

import requests

url = "https://api-sandbox.appcharge.com/components/v1/asset"

files = { "0.file": ("example-file", open("example-file", "rb")) }
payload = {
    "type": "product",
    "name": "gold_coins_icon",
    "file": "gold_coins_icon.png"
}
headers = {"x-publisher-token": "<api-key>"}

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

print(response.text)

const form = new FormData();
form.append('type', 'product');
form.append('name', 'gold_coins_icon');
form.append('file', 'gold_coins_icon.png');
form.append('0.file', '{
  "fileName": "example-file"
}');

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

options.body = form;

fetch('https://api-sandbox.appcharge.com/components/v1/asset', 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://api-sandbox.appcharge.com/components/v1/asset",
  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=\"type\"\r\n\r\nproduct\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\ngold_coins_icon\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\ngold_coins_icon.png\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n{\r\n  \"fileName\": \"example-file\"\r\n}\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Content-Type: multipart/form-data; boundary=---011000010111000001101001",
    "x-publisher-token: <api-key>"
  ],
]);

$response = curl_exec($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://api-sandbox.appcharge.com/components/v1/asset"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"type\"\r\n\r\nproduct\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\ngold_coins_icon\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\ngold_coins_icon.png\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n{\r\n  \"fileName\": \"example-file\"\r\n}\r\n-----011000010111000001101001--")

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

	req.Header.Add("x-publisher-token", "<api-key>")
	req.Header.Add("Content-Type", "multipart/form-data; boundary=---011000010111000001101001")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api-sandbox.appcharge.com/components/v1/asset")
  .header("x-publisher-token", "<api-key>")
  .header("Content-Type", "multipart/form-data; boundary=---011000010111000001101001")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"type\"\r\n\r\nproduct\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\ngold_coins_icon\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\ngold_coins_icon.png\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n{\r\n  \"fileName\": \"example-file\"\r\n}\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-sandbox.appcharge.com/components/v1/asset")

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

request = Net::HTTP::Post.new(url)
request["x-publisher-token"] = '<api-key>'
request["Content-Type"] = 'multipart/form-data; boundary=---011000010111000001101001'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"type\"\r\n\r\nproduct\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\ngold_coins_icon\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\ngold_coins_icon.png\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n{\r\n  \"fileName\": \"example-file\"\r\n}\r\n-----011000010111000001101001--"

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

{
  "id": "507f1f77bcf86cd799439011",
  "name": "gold_coins_icon",
  "type": "product",
  "imageUrl": "https://media.appcharge.com/media/691d8c9f127412f152236889baf5",
  "contentType": "image/png",
  "externalImageUrl": "https://example.com/assets/gold_coins_icon.png"
}