API Quickstart

import requests

resp = requests.post(
    "https://cleverutils.com/api/v1/convert",
    files={"file": open("photo.heic", "rb")},
    data={"to_format": "jpg"},
)
job = resp.json()["data"]
print(job["job_id"], job["output"]["url"])

import fs from "node:fs";

const form = new FormData();
form.append("file", new Blob([fs.readFileSync("photo.heic")]), "photo.heic");
form.append("to_format", "jpg");

const resp = await fetch("https://cleverutils.com/api/v1/convert", {
  method: "POST",
  body: form,
});
const { data: job } = await resp.json();
console.log(job.job_id, job.output.url);

<?php
$ch = curl_init("https://cleverutils.com/api/v1/convert");
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST           => true,
    CURLOPT_POSTFIELDS     => [
        "file"      => new CURLFile("photo.heic"),
        "to_format" => "jpg",
    ],
]);
$resp = json_decode(curl_exec($ch), true);
$job = $resp["data"];
echo $job["job_id"], "\n", $job["output"]["url"];

package main

import (
    "bytes"
    "encoding/json"
    "io"
    "mime/multipart"
    "net/http"
    "os"
)

func main() {
    body := &bytes.Buffer{}
    w := multipart.NewWriter(body)
    f, _ := os.Open("photo.heic")
    fw, _ := w.CreateFormFile("file", "photo.heic")
    io.Copy(fw, f)
    w.WriteField("to_format", "jpg")
    w.Close()

    req, _ := http.NewRequest("POST", "https://cleverutils.com/api/v1/convert", body)
    req.Header.Set("Content-Type", w.FormDataContentType())
    resp, _ := http.DefaultClient.Do(req)
    var out struct {
        Data struct{ JobID string `json:"job_id"` } `json:"data"`
    }
    json.NewDecoder(resp.Body).Decode(&out)
    println(out.Data.JobID)
}

require 'net/http'
require 'json'

uri = URI('https://cleverutils.com/api/v1/convert')
req = Net::HTTP::Post.new(uri)
req.set_form(
  [
    ['file', File.open('photo.heic')],
    ['to_format', 'jpg']
  ],
  'multipart/form-data'
)
res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(req) }
job = JSON.parse(res.body)['data']
puts job['job_id'], job['output']['url']

// Java 11+ HttpClient with multipart (using a small helper)
import java.net.URI;
import java.net.http.*;
import java.nio.file.*;

var boundary = "----CleverUtils" + System.currentTimeMillis();
var CRLF = "\r\n";
var file = Path.of("photo.heic");
var fileBytes = Files.readAllBytes(file);

var body = ("--" + boundary + CRLF
    + "Content-Disposition: form-data; name=\"to_format\"" + CRLF + CRLF + "jpg" + CRLF
    + "--" + boundary + CRLF
    + "Content-Disposition: form-data; name=\"file\"; filename=\"photo.heic\"" + CRLF
    + "Content-Type: application/octet-stream" + CRLF + CRLF).getBytes();
var tail = (CRLF + "--" + boundary + "--" + CRLF).getBytes();
var full = new byte[body.length + fileBytes.length + tail.length];
System.arraycopy(body, 0, full, 0, body.length);
System.arraycopy(fileBytes, 0, full, body.length, fileBytes.length);
System.arraycopy(tail, 0, full, body.length + fileBytes.length, tail.length);

var req = HttpRequest.newBuilder(URI.create("https://cleverutils.com/api/v1/convert"))
    .header("Content-Type", "multipart/form-data; boundary=" + boundary)
    .POST(HttpRequest.BodyPublishers.ofByteArray(full))
    .build();

var res = HttpClient.newHttpClient().send(req, HttpResponse.BodyHandlers.ofString());
System.out.println(res.body());

using System.Net.Http;
using System.Net.Http.Headers;
using System.Text.Json;

using var client = new HttpClient();
using var form = new MultipartFormDataContent();

var fileContent = new ByteArrayContent(File.ReadAllBytes("photo.heic"));
fileContent.Headers.ContentType = MediaTypeHeaderValue.Parse("application/octet-stream");
form.Add(fileContent, "file", "photo.heic");
form.Add(new StringContent("jpg"), "to_format");

var response = await client.PostAsync("https://cleverutils.com/api/v1/convert", form);
var json = await response.Content.ReadAsStringAsync();
var doc = JsonDocument.Parse(json).RootElement.GetProperty("data");
Console.WriteLine(doc.GetProperty("job_id").GetString());