---
title: "Split a transaction · Transactions · COUNT Partner API"
description: "Splits a transaction into a parent row and child rows before bill or invoice assignment. PUT /partners/transactions/{uuid}/split"
canonical: "https://developers.getcount.com/reference/transactions/split-transaction"
source: "https://developers.getcount.com/reference/transactions/split-transaction"
---
[Transactions](https://developers.getcount.com/reference/transactions) / Split a transaction

# Split a transaction

PUT `/partners/transactions/{uuid}/split`

Splits a transaction into a parent row and child rows before bill or invoice assignment.

HMAC signature + Bearer access token

[Try this request](https://developers.getcount.com/tools/try-it?method=PUT&path=%2Fpartners%2Ftransactions%2F%7Buuid%7D%2Fsplit&body=%7B%0A++%22forAttachment%22%3A+true%2C%0A++%22parent%22%3A+%7B%0A++++%22categoryAccountUuid%22%3A+%22c3d4e5f6-a7b8-9012-cdef-123456789012%22%2C%0A++++%22amount%22%3A+-100%2C%0A++++%22assignThis%22%3A+true%0A++%7D%2C%0A++%22splits%22%3A+%5B%0A++++%7B%0A++++++%22categoryAccountUuid%22%3A+%22c3d4e5f6-a7b8-9012-cdef-123456789012%22%2C%0A++++++%22amount%22%3A+-50%0A++++%7D%0A++%5D%0A%7D)

[Chart of Accounts API](https://developers.getcount.com/reference/chart-of-accounts) [Bills API](https://developers.getcount.com/reference/bills) [Invoices API](https://developers.getcount.com/reference/invoices)

#### Path parameters

`uuid` uuid required

The UUID of the transaction to split.

#### Request body

`forAttachment` boolean

When true, matches the COUNT bill/invoice attachment split flow.

`splitASplit` boolean

When true, further splits an existing split child row.

`withCaution` boolean

Required to split reconciled transactions.

`parent` object

Parent split row. Use categoryAccountUuid from chart of accounts.

`categoryAccountUuid` uuid

Category account UUID for the parent portion.

`amount` number

Signed amount for the parent portion.

`assignThis` boolean

When true, this row is the one to assign to the bill or invoice.

`splits` array

Child split rows.

`categoryAccountUuid` uuid required

Category account UUID for the child portion.

`amount` number required

Signed amount for the child portion.

#### Responses

`200` Transaction split. Returns parent and transactionToAssign rows with UUID ids.

`400` Bad request — transfer/deposit splits, reviewed/pending guards, or invalid amounts.

`404` Transaction or category account not found.

[Previous POST Assign to bills or invoices](https://developers.getcount.com/reference/transactions/assign-transaction-to-bills-invoices) [Next DELETE Delete a transaction](https://developers.getcount.com/reference/transactions/delete-transaction)

PUT `https://api.getcount.com/partners/transactions/{uuid}/split`

Request

```javascript
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 = 'PUT';
const signingPath = '/transactions/3fa85f64-5717-4562-b3fc-2c963f66afa6/split';
const timestamp = Math.floor(Date.now() / 1000).toString();
const body = {
  "forAttachment": true,
  "parent": {
    "categoryAccountUuid": "c3d4e5f6-a7b8-9012-cdef-123456789012",
    "amount": -100,
    "assignThis": true
  },
  "splits": [
    {
      "categoryAccountUuid": "c3d4e5f6-a7b8-9012-cdef-123456789012",
      "amount": -50
    }
  ]
};
const bodyString = JSON.stringify(body);

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

const response = await fetch(`${BASE_URL}/partners/transactions/3fa85f64-5717-4562-b3fc-2c963f66afa6/split`, {
  method,
  headers: {
    'x-client-id': CLIENT_ID,
    'x-timestamp': timestamp,
    'x-signature': signature,
    'Content-Type': 'application/json',
    Authorization: `Bearer ${ACCESS_TOKEN}`,
  },
  body: bodyString,
});

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

Response · 200

```json
{
  "parent": {
    "id": "b7c8d9e0-f1a2-3456-bcde-678901234567",
    "type": "EXPENSE",
    "description": "Office supplies from Amazon",
    "amount": -150,
    "currency": "USD",
    "postedDate": "2026-03-01",
    "authorizedDate": "2026-03-01",
    "notes": "Q1 office supplies",
    "paymentChannel": "online",
    "reviewed": false,
    "excluded": false,
    "pending": false,
    "split": false,
    "accountId": "c8d9e0f1-a2b3-4567-cdef-789012345678",
    "categoryAccountId": "c3d4e5f6-a7b8-9012-cdef-123456789012",
    "vendorId": "d4e5f6a7-b8c9-0123-defa-234567890123",
    "customerId": null,
    "billId": null,
    "invoiceId": null,
    "tags": [
      {
        "id": "e5f6a7b8-c9d0-1234-efab-345678901234",
        "name": "Office"
      }
    ],
    "createdAt": "2026-03-13T08:30:00.000Z",
    "updatedAt": "2026-03-13T08:30:00.000Z"
  },
  "transactionToAssign": {
    "id": "b7c8d9e0-f1a2-3456-bcde-678901234567",
    "type": "EXPENSE",
    "description": "Office supplies from Amazon",
    "amount": -150,
    "currency": "USD",
    "postedDate": "2026-03-01",
    "authorizedDate": "2026-03-01",
    "notes": "Q1 office supplies",
    "paymentChannel": "online",
    "reviewed": false,
    "excluded": false,
    "pending": false,
    "split": false,
    "accountId": "c8d9e0f1-a2b3-4567-cdef-789012345678",
    "categoryAccountId": "c3d4e5f6-a7b8-9012-cdef-123456789012",
    "vendorId": "d4e5f6a7-b8c9-0123-defa-234567890123",
    "customerId": null,
    "billId": null,
    "invoiceId": null,
    "tags": [
      {
        "id": "e5f6a7b8-c9d0-1234-efab-345678901234",
        "name": "Office"
      }
    ],
    "createdAt": "2026-03-13T08:30:00.000Z",
    "updatedAt": "2026-03-13T08:30:00.000Z"
  }
}
```