curl -X PATCH 'https://api.spellit.ai/api/item-set/upload?item_set_id=123' \
  -H 'API-Access-Key: your-api-key' \
  -F 'files=@audio1.mp3'

import requests

url = 'https://api.spellit.ai/api/item-set/upload?item_set_id=123'
headers = {'API-Access-Key': 'your-api-key'}
files = [('files', open('audio1.mp3', 'rb'))]

response = requests.patch(url, headers=headers, files=files)
print(response.json())

const formData = new FormData();
formData.append('files', new Blob(['audio1.mp3']));

fetch('https://api.spellit.ai/api/item-set/upload?item_set_id=123', {
  method: 'PATCH',
  headers: {
    'API-Access-Key': 'your-api-key'
  },
  body: formData
})
  .then(response => response.json())
  .then(data => console.log(data));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.spellit.ai/api/item-set/upload?item_set_id={item_set_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'files' => [
        [
                
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "API-Access-Key: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.spellit.ai/api/item-set/upload?item_set_id={item_set_id}"

	payload := strings.NewReader("{\n  \"files\": [\n    {}\n  ]\n}")

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

	req.Header.Add("API-Access-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.patch("https://api.spellit.ai/api/item-set/upload?item_set_id={item_set_id}")
  .header("API-Access-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"files\": [\n    {}\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.spellit.ai/api/item-set/upload?item_set_id={item_set_id}")

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

request = Net::HTTP::Patch.new(url)
request["API-Access-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"files\": [\n    {}\n  ]\n}"

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

[
  [
    {
      "id_item_type": 1,
      "created_at": "2025-05-27T10:12:42.535350+00:00",
      "id_base_user": 1,
      "id_item_set": 272,
      "status": "added",
      "id": 274,
      "name": "filename_091c9f.mp3",
      "item_link": "filelink",
      "last_processing_date": null
    },
    {
      "id_item": 274,
      "id_processor": 1,
      "created_at": "2025-05-27T10:12:46.436176+00:00",
      "is_default": false,
      "id": 440,
      "processing_parameters": {
        "file_duration": 553.392
      }
    }
  ]
]

{
  "detail": "id_project is required"
}

{
  "detail": "Invalid auth"
}

{
  "detail": "Invalid input data"
}