URLS=$(curl -s -X POST https://app.cubehosting.com.br/api/blob/objects/$BLOB_ID/parts \
  -H "Authorization: Bearer $CUBE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"partNumbers": [1]}')
# A parte 1 são os primeiros 16 MB do arquivo, sem a chave de API.
head -c 16777216 aula.mp4 | curl -X PUT "$(echo "$URLS" | jq -r '.parts[0].url')" --data-binary @-

import { readFile } from 'node:fs/promises';
const API = 'https://app.cubehosting.com.br/api';
const headers = { Authorization: `Bearer ${process.env.CUBE_API_KEY}` };

const PART = 16 * 1024 * 1024;
const file = await readFile('aula.mp4');
const res = await fetch(`${API}/blob/objects/${process.env.BLOB_ID}/parts`, {
  method: 'POST',
  headers: { ...headers, 'Content-Type': 'application/json' },
  body: JSON.stringify({ partNumbers: [1, 2, 3] }),
});
const { parts } = await res.json();
for (const p of parts) {
  const start = (p.partNumber - 1) * PART;
  await fetch(p.url, { method: 'PUT', body: file.subarray(start, start + p.sizeBytes) });
}
await fetch(`${API}/blob/objects/${process.env.BLOB_ID}/complete`, { method: 'POST', headers });

import os
import requests

API = "https://app.cubehosting.com.br/api"
headers = {"Authorization": f"Bearer {os.environ['CUBE_API_KEY']}"}

PART = 16 * 1024 * 1024
r = requests.post(f"{API}/blob/objects/{os.environ['BLOB_ID']}/parts", headers=headers, json={"partNumbers": [1, 2, 3]}, timeout=30)
r.raise_for_status()
with open("aula.mp4", "rb") as f:
    for p in r.json()["parts"]:
        f.seek((p["partNumber"] - 1) * PART)
        requests.put(p["url"], data=f.read(p["sizeBytes"]), timeout=3600).raise_for_status()
requests.post(f"{API}/blob/objects/{os.environ['BLOB_ID']}/complete", headers=headers, timeout=30).raise_for_status()