{ printf '%s' $'-----011000010111000001101001\r\nContent-Type: application/octet-stream\r\nContent-Disposition: attachment; filename="example-file"\r\n\r\n'; cat -- example-file; printf '%s' $'\r\n-----011000010111000001101001--'; } | curl --request POST \
  --url https://pinapi.jackalprotocol.com/api/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form; boundary=---011000010111000001101001' \
  --data-binary @-

import requests

url = "https://pinapi.jackalprotocol.com/api/files"

payload = b"".join([
    "-----011000010111000001101001\r\nContent-Type: application/octet-stream\r\nContent-Disposition: attachment; filename=\"example-file\"\r\n\r\n".encode(),
    open("example-file", "rb").read(),
    "\r\n-----011000010111000001101001--".encode(),
])
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "multipart/form; boundary=---011000010111000001101001"
}

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

print(response.text)

const fileFor = (name) => {
  const input = document.querySelector(`input[type="file"][data-name="${CSS.escape(name)}"]`);
  if (!input?.files?.[0]) throw new Error(`Select a file for ${name}`);
  return input.files[0];
};
const framedBody = new Blob([
  "-----011000010111000001101001\r\nContent-Type: application/octet-stream\r\nContent-Disposition: attachment; filename=\"example-file\"\r\n\r\n",
  fileFor("example-file"),
  "\r\n-----011000010111000001101001--",
]);

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'Content-Type': 'multipart/form; boundary=---011000010111000001101001'
  },
  body: framedBody
};

fetch('https://pinapi.jackalprotocol.com/api/files', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

$file1 = file_get_contents("example-file");
if ($file1 === false) { throw new RuntimeException("unable to read example-file"); }
$payload = "-----011000010111000001101001\r\nContent-Type: application/octet-stream\r\nContent-Disposition: attachment; filename=\"example-file\"\r\n\r\n" . $file1 . "\r\n-----011000010111000001101001--";

curl_setopt_array($curl, [
  CURLOPT_URL => "https://pinapi.jackalprotocol.com/api/files",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => $payload,
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: multipart/form; boundary=---011000010111000001101001"
  ],
]);

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

curl_close($curl);

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

package main

import (
	"bytes"
	"fmt"
	"net/http"
	"io"
	"os"
)

func main() {

	url := "https://pinapi.jackalprotocol.com/api/files"

	var payload bytes.Buffer
	payload.WriteString("-----011000010111000001101001\r\nContent-Type: application/octet-stream\r\nContent-Disposition: attachment; filename=\"example-file\"\r\n\r\n")
	file0, err := os.ReadFile("example-file")
	if err != nil {
		panic(err)
	}
	payload.Write(file0)
	payload.WriteString("\r\n-----011000010111000001101001--")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "multipart/form; boundary=---011000010111000001101001")

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

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

	fmt.Println(string(body))

}

java.io.ByteArrayOutputStream payload = new java.io.ByteArrayOutputStream();
byte[] part0 = "-----011000010111000001101001\r\nContent-Type: application/octet-stream\r\nContent-Disposition: attachment; filename=\"example-file\"\r\n\r\n".getBytes(java.nio.charset.StandardCharsets.UTF_8);
payload.write(part0, 0, part0.length);
byte[] part1 = java.nio.file.Files.readAllBytes(java.nio.file.Paths.get("example-file"));
payload.write(part1, 0, part1.length);
byte[] part2 = "\r\n-----011000010111000001101001--".getBytes(java.nio.charset.StandardCharsets.UTF_8);
payload.write(part2, 0, part2.length);

HttpResponse<String> response = Unirest.post("https://pinapi.jackalprotocol.com/api/files")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "multipart/form; boundary=---011000010111000001101001")
  .body(payload.toByteArray())
  .asString();

require 'uri'
require 'net/http'

url = URI("https://pinapi.jackalprotocol.com/api/files")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'multipart/form; boundary=---011000010111000001101001'
request.body = [
  "-----011000010111000001101001\r\nContent-Type: application/octet-stream\r\nContent-Disposition: attachment; filename=\"example-file\"\r\n\r\n",
  File.binread("example-file"),
  "\r\n-----011000010111000001101001--",
].map(&:b).join

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