---
title: "Create a credit memo · Credit Memos · COUNT Partner API"
description: "Creates a credit memo for a customer. POST /partners/invoices"
canonical: "https://developers.getcount.com/reference/credit-memo/create-credit-memo"
source: "https://developers.getcount.com/reference/credit-memo/create-credit-memo"
---
[Credit Memos](https://developers.getcount.com/reference/credit-memo) / Create a credit memo

# Create a credit memo

POST `/partners/invoices`

Creates a credit memo for a customer.

Set invoiceType to memo. Optionally pass appliedToInvoiceUuid to link the memo to an open invoice at create time. Line item rules match invoice create. invoiceNumber is required.

HMAC signature + Bearer access token

[Try this request](https://developers.getcount.com/tools/try-it?method=POST&path=%2Fpartners%2Finvoices&body=%7B%0A++%22customerUuid%22%3A+%22dfa3219e-6af8-4c53-997a-037534f63a35%22%2C%0A++%22invoiceType%22%3A+%22memo%22%2C%0A++%22invoiceNumber%22%3A+%22CM-0042%22%2C%0A++%22date%22%3A+%222026-03-01%22%2C%0A++%22appliedToInvoiceUuid%22%3A+%22f6a7b8c9-d0e1-2345-fabc-456789012345%22%2C%0A++%22currency%22%3A+%22USD%22%2C%0A++%22products%22%3A+%5B%0A++++%7B%0A++++++%22productUuid%22%3A+%22aa11bb22-cc33-dd44-ee55-ff6677889900%22%2C%0A++++++%22description%22%3A+%22Credit+for+overbilling+on+prior+invoice%22%2C%0A++++++%22quantity%22%3A+1%2C%0A++++++%22unitPrice%22%3A+500%2C%0A++++++%22nonTaxable%22%3A+true%0A++++%7D%0A++%5D%0A%7D)

[Invoices API](https://developers.getcount.com/reference/invoices)

#### Request body

`customerUuid` uuid required

UUID of the customer receiving the credit.

`invoiceType` enum required

Must be memo.

One of: `memo`

`invoiceNumber` string required

Credit memo number shown to the customer.

`date` date required

Memo date (ISO).

`appliedToInvoiceUuid` uuid

UUID of an open invoice to credit at create time.

`currency` string

ISO 4217 currency code.

`products` array required

Credit line items.

`productUuid` uuid

Product UUID from list_products. `uuid` is accepted as an alias. Omit it for a free-text line.

`categoryAccountUuid` uuid

Income account UUID from the Chart of Accounts. Required on a free-text line; on a product line it overrides the product's income account.

`name` string

Item name on a free-text line.

`description` string

Line description.

`quantity` number required

Quantity.

`unitPrice` number required

Credit amount per unit.

`nonTaxable` boolean

When true, clears tax on the line.

`notes` string

Memo notes visible to the customer.

`tagUuids` array

Tag UUIDs to attach.

#### Responses

`201` Credit memo created.

`400` Validation failed.

`404` Customer, product, or applied invoice not found.

`401` Missing or invalid HMAC signature, expired timestamp, or invalid Bearer token. [Troubleshoot](https://developers.getcount.com/getting-started/errors#error-401)

`403` The credential does not have access to this workspace or resource. [Troubleshoot](https://developers.getcount.com/getting-started/errors#error-403)

`429` Rate limit exceeded (100 requests per minute per clientId). Retry after the Retry-After header. [Troubleshoot](https://developers.getcount.com/getting-started/errors#error-429)

[Previous GET Get a credit memo](https://developers.getcount.com/reference/credit-memo/get-credit-memo) [Next PATCH Update a credit memo](https://developers.getcount.com/reference/credit-memo/update-credit-memo)

POST `https://api.getcount.com/partners/invoices`

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 = 'POST';
const signingPath = '/invoices';
const timestamp = Math.floor(Date.now() / 1000).toString();
const body = {
  "customerUuid": "dfa3219e-6af8-4c53-997a-037534f63a35",
  "invoiceType": "memo",
  "invoiceNumber": "CM-0042",
  "date": "2026-03-01",
  "appliedToInvoiceUuid": "f6a7b8c9-d0e1-2345-fabc-456789012345",
  "currency": "USD",
  "products": [
    {
      "productUuid": "aa11bb22-cc33-dd44-ee55-ff6677889900",
      "description": "Credit for overbilling on prior invoice",
      "quantity": 1,
      "unitPrice": 500,
      "nonTaxable": true
    }
  ]
};
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/invoices`, {
  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 · 201

```json
{
  "status": "success",
  "data": {
    "invoice": {
      "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
      "invoiceNumber": "CM-0042",
      "invoiceType": "memo",
      "customerUuid": "dfa3219e-6af8-4c53-997a-037534f63a35",
      "appliedToInvoiceUuid": "f6a7b8c9-d0e1-2345-fabc-456789012345",
      "date": "2026-03-01",
      "dueDate": null,
      "currency": "USD",
      "status": "draft",
      "isDraft": true,
      "approved": false,
      "isSent": false,
      "paymentStatus": "unpaid",
      "subtotal": 500,
      "taxTotal": 0,
      "total": 500,
      "amountDue": 500,
      "products": [
        {
          "productUuid": "aa11bb22-cc33-dd44-ee55-ff6677889900",
          "description": "Credit for overbilling on prior invoice",
          "quantity": 1,
          "unitPrice": 500,
          "nonTaxable": true
        }
      ],
      "createdAt": "2026-03-01T09:00:00.000Z",
      "updatedAt": "2026-03-02T11:15:00.000Z"
    }
  }
}
```