curl -X POST https://api.u1.archetypeai.app/v0.5/files/uploads/upl_1mehceg8cn80qsekh46143whrx/parts/checkpoint \
  -H "Authorization: Bearer $ATAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "parts": [
      { "part_number": 1, "part_token": "\"e1b3a4cd87f3...\"" },
      { "part_number": 2, "part_token": "\"a2c8f7b9e081...\"" },
      { "part_number": 3, "part_token": "\"d40fa2c81b9e...\"" }
    ]
  }'

import requests
import os

api_key = os.environ.get("ATAI_API_KEY")
upload_id = "upl_1mehceg8cn80qsekh46143whrx"

# part_tokens are the ETag header values returned from each PUT to the
# presigned URL; collect them as you upload parts.
parts = [
    {"part_number": 1, "part_token": '"e1b3a4cd87f3..."'},
    {"part_number": 2, "part_token": '"a2c8f7b9e081..."'},
    {"part_number": 3, "part_token": '"d40fa2c81b9e..."'},
]

response = requests.post(
    f"https://api.u1.archetypeai.app/v0.5/files/uploads/{upload_id}/parts/checkpoint",
    headers={
        "Authorization": f"Bearer {api_key}",
        "Content-Type": "application/json",
    },
    json={"parts": parts},
)

print(response.json())

const uploadId = "upl_1mehceg8cn80qsekh46143whrx";

const parts = [
  { part_number: 1, part_token: '"e1b3a4cd87f3..."' },
  { part_number: 2, part_token: '"a2c8f7b9e081..."' },
  { part_number: 3, part_token: '"d40fa2c81b9e..."' },
];

const response = await fetch(
  `https://api.u1.archetypeai.app/v0.5/files/uploads/${uploadId}/parts/checkpoint`,
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.ATAI_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({ parts }),
  }
);

console.log(await response.json());

{
  "num_checkpointed": 3
}

{
  "errors": [
    {
      "code": "invalid_upload_parts",
      "message": "Parts list is empty or contains duplicate or out-of-range part numbers.",
      "suggestion": "Send a non-empty list of unique part numbers within [1, num_parts].",
      "error_uid": "err-xxxxxxxx"
    }
  ]
}

{
  "errors": [
    {
      "code": "unauthorized_request",
      "message": "Unauthorized or invalid access.",
      "suggestion": "Provide valid authentication credentials and ensure they have the required permissions.",
      "error_uid": "err-xxxxxxxx"
    }
  ]
}

{
  "errors": [
    {
      "code": "upload_not_found",
      "message": "No upload with the given upload_id was found for the organization.",
      "suggestion": "Verify the upload_id and that the upload has not been completed or aborted.",
      "error_uid": "err-xxxxxxxx"
    }
  ]
}

{
  "errors": [
    {
      "code": "upload_already_completed",
      "message": "Upload has already been completed; checkpoint is not allowed.",
      "suggestion": "Begin a new upload via /uploads/initiate.",
      "error_uid": "err-xxxxxxxx"
    }
  ]
}