curl --request POST \
  --url https://api.demo.cula.earth/tracking/v1/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --header 'Cula-Organisation-Id: <cula-organisation-id>' \
  --form file='@example-file' \
  --form site_id=ste_01k8g7aec6dt5zrtamc72ww446 \
  --form site_external_id=SITE-EXT-0001 \
  --form external_id=MY-CUSTOM-ID

import requests

url = "https://api.demo.cula.earth/tracking/v1/files"

files = { "file": ("example-file", open("example-file", "rb")) }
payload = {
    "site_id": "ste_01k8g7aec6dt5zrtamc72ww446",
    "site_external_id": "SITE-EXT-0001",
    "external_id": "MY-CUSTOM-ID"
}
headers = {
    "Cula-Organisation-Id": "<cula-organisation-id>",
    "Authorization": "Bearer <token>"
}

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

print(response.text)

const form = new FormData();
form.append('file', '<string>');
form.append('site_id', 'ste_01k8g7aec6dt5zrtamc72ww446');
form.append('site_external_id', 'SITE-EXT-0001');
form.append('external_id', 'MY-CUSTOM-ID');

const options = {
  method: 'POST',
  headers: {
    'Cula-Organisation-Id': '<cula-organisation-id>',
    Authorization: 'Bearer <token>'
  }
};

options.body = form;

fetch('https://api.demo.cula.earth/tracking/v1/files', 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.demo.cula.earth/tracking/v1/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 => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"site_id\"\r\n\r\nste_01k8g7aec6dt5zrtamc72ww446\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"site_external_id\"\r\n\r\nSITE-EXT-0001\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"external_id\"\r\n\r\nMY-CUSTOM-ID\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: multipart/form-data",
    "Cula-Organisation-Id: <cula-organisation-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.demo.cula.earth/tracking/v1/files"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"site_id\"\r\n\r\nste_01k8g7aec6dt5zrtamc72ww446\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"site_external_id\"\r\n\r\nSITE-EXT-0001\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"external_id\"\r\n\r\nMY-CUSTOM-ID\r\n-----011000010111000001101001--")

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

	req.Header.Add("Cula-Organisation-Id", "<cula-organisation-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.demo.cula.earth/tracking/v1/files")
  .header("Cula-Organisation-Id", "<cula-organisation-id>")
  .header("Authorization", "Bearer <token>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"site_id\"\r\n\r\nste_01k8g7aec6dt5zrtamc72ww446\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"site_external_id\"\r\n\r\nSITE-EXT-0001\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"external_id\"\r\n\r\nMY-CUSTOM-ID\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.demo.cula.earth/tracking/v1/files")

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

request = Net::HTTP::Post.new(url)
request["Cula-Organisation-Id"] = '<cula-organisation-id>'
request["Authorization"] = 'Bearer <token>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"site_id\"\r\n\r\nste_01k8g7aec6dt5zrtamc72ww446\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"site_external_id\"\r\n\r\nSITE-EXT-0001\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"external_id\"\r\n\r\nMY-CUSTOM-ID\r\n-----011000010111000001101001--"

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

{
  "id": "fle_01kw9grq4tecva35wdpstzcj5z",
  "external_id": "MY-CUSTOM-ID",
  "site": {
    "id": "ste_01k8g7aec6dt5zrtamc72ww446",
    "external_id": "SITE-EXT-0001"
  },
  "name": "sink_confirmation.pdf",
  "type": "application/pdf",
  "size": 482117,
  "created_at": "2025-10-10T21:03:58Z"
}

{
  "code": "bad_request",
  "message": "The field limit must not be greater than 100."
}

{
  "code": "unauthorized",
  "message": "Invalid or expired token"
}

{
  "code": "conflict",
  "message": "There exists already an object with external ID MY-CUSTOM-ID within this organisation."
}

{
  "code": "unsupported_media_type",
  "message": "The file type is not supported."
}

{
  "code": "internal_server_error",
  "message": "Internal server error."
}