curl --request POST \
  --url https://api-eu.flexportal.io/v1/products/csv \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --header 'Tenant-ID: <tenant-id>' \
  --form csvFile='@example-file'

import requests

url = "https://api-eu.flexportal.io/v1/products/csv"

files = { "csvFile": ("example-file", open("example-file", "rb")) }
headers = {
    "Tenant-ID": "<tenant-id>",
    "Authorization": "Bearer <token>"
}

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

print(response.text)

const form = new FormData();
form.append('csvFile', '<string>');

const options = {
  method: 'POST',
  headers: {'Tenant-ID': '<tenant-id>', Authorization: 'Bearer <token>'}
};

options.body = form;

fetch('https://api-eu.flexportal.io/v1/products/csv', 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-eu.flexportal.io/v1/products/csv",
  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=\"csvFile\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: multipart/form-data",
    "Tenant-ID: <tenant-id>"
  ],
]);

$response = curl_exec($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-eu.flexportal.io/v1/products/csv"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"csvFile\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")

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

	req.Header.Add("Tenant-ID", "<tenant-id>")
	req.Header.Add("Authorization", "Bearer <token>")

	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-eu.flexportal.io/v1/products/csv")
  .header("Tenant-ID", "<tenant-id>")
  .header("Authorization", "Bearer <token>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"csvFile\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-eu.flexportal.io/v1/products/csv")

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

request = Net::HTTP::Post.new(url)
request["Tenant-ID"] = '<tenant-id>'
request["Authorization"] = 'Bearer <token>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"csvFile\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--"

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

{
  "success": true,
  "message": "<string>",
  "created": 123,
  "updated": 123,
  "errors": [
    {
      "row": 123,
      "error": "<string>"
    }
  ]
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}