Update a customer
PUT
/partners/customers/{uuid}Updates an existing customer. Only the fields you send are changed.
Send any subset of the writable fields. Fields belonging to firm-managed (system-created) customers, and internal fields such as originalClientId, are ignored.
HMAC signature + Bearer access token
Try this requestPath parameters
uuiduuidrequiredThe customer UUID to update.
Request body
customerstringUpdated customer or business name.
emailstringUpdated email.
mainPhonestringUpdated phone number.
websitestringUpdated website URL.
notesstringUpdated notes.
statusenumUpdated status.
One of: active, inactive
paymentTermstringUpdated payment term.
billingAddressobjectUpdated billing address.
shippingAddressobjectUpdated shipping address.
contactsarrayUpdated list of contacts.
Responses
200Customer updated successfully.404Customer not found.401Missing or invalid HMAC signature, expired timestamp, or invalid Bearer token. Troubleshoot403The credential does not have access to this workspace or resource. Troubleshoot429Rate limit exceeded (100 requests per minute per clientId). Retry after the Retry-After header. TroubleshootPUT
https://api.getcount.com/partners/customers/{uuid}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 = 'PUT';
const signingPath = '/customers/3fa85f64-5717-4562-b3fc-2c963f66afa6';
const timestamp = Math.floor(Date.now() / 1000).toString();
const body = {
"mainPhone": "+1987654321",
"status": "inactive"
};
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/customers/3fa85f64-5717-4562-b3fc-2c963f66afa6`, {
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
{
"status": "success",
"message": "Success on updating a customer",
"data": {
"updatedCustomer": {
"id": "dfa3219e-6af8-4c53-997a-037534f63a35",
"customer": "Acme Corporation",
"email": "contact@acme.com",
"mainPhone": "+1234567890",
"website": "https://acme.com",
"status": "inactive",
"notes": "Preferred customer. Net-30 terms.",
"paymentTerm": "net30",
"taxNumber": null,
"taxAutoCalculate": false,
"taxExcluded": false,
"contactName": "John Doe",
"billingAddress": {
"id": "0b2c1f5e-7a9d-4f2b-9c1e-2a4b6d8e0f12",
"street": "123 Main St",
"city": "San Francisco",
"state": "CA",
"zipCode": "94102",
"country": "USA"
},
"shippingAddress": null,
"contacts": [
{
"id": "a5da3577-bf85-4e3a-aa73-df85ca69bc67",
"firstName": "John",
"lastName": "Doe",
"email": "john@acme.com",
"phone": "+1234567890",
"isPrimary": true
}
],
"taxes": [],
"salesRep": null,
"createdAt": "2026-01-15T10:30:00.000Z",
"updatedAt": "2026-01-28T14:22:30.000Z"
}
}
}