COUNTCOUNT
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DocumentsUpload chunk

Upload chunk

POST/partners/documents/chunk-upload/chunk

Uploads a single chunk of a multipart upload.

Send multipart/form-data with `file`, `blockId`, and `uploadProgressId`. Sign with empty-object body hash.

HMAC signature + Bearer access token
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Customers APIProjects API

Request body

filestringrequired

Binary chunk sent as multipart form field.

blockIdstringrequired

Identifier for this chunk block.

uploadProgressIdstringrequired

Upload session identifier from initiate.

Responses

200Chunk accepted.
401Missing or invalid HMAC signature, expired timestamp, or invalid Bearer token. Troubleshoot
403The credential does not have access to this workspace or resource. Troubleshoot
429Rate limit exceeded (100 requests per minute per clientId). Retry after the Retry-After header. Troubleshoot
POSThttps://api.getcount.com/partners/documents/chunk-upload/chunk
Request
import crypto from 'node:crypto';

const BASE_URL = 'https://api.getcount.com';
const CLIENT_ID = process.env.COUNT_CLIENT_ID;
const CLIENT_SECRET = process.env.COUNT_CLIENT_SECRET;
const ACCESS_TOKEN = process.env.COUNT_ACCESS_TOKEN;

const method = 'POST';
const signingPath = '/documents/chunk-upload/chunk';
const timestamp = Math.floor(Date.now() / 1000).toString();
const bodyString = '';

const bodyHash = '';
const baseString = `${method}:${signingPath}:${timestamp}:${bodyHash}`;
const signature = crypto.createHmac('sha256', CLIENT_SECRET).update(baseString).digest('hex');

const response = await fetch(`${BASE_URL}/partners/documents/chunk-upload/chunk`, {
  method,
  headers: {
    'x-client-id': CLIENT_ID,
    'x-timestamp': timestamp,
    'x-signature': signature,
    Authorization: `Bearer ${ACCESS_TOKEN}`,
  },
});

console.log(await response.json());
Response · 200
{
  "status": "success",
  "data": {
    "blockId": "block-1",
    "uploaded": true
  }
}