> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.monite.com/v2024-01-31/api/products/patch-products-id/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.monite.com/_mcp/server.

# Update a product

PATCH https://api.sandbox.monite.com/v1/products/{product_id}
Content-Type: application/json

Reference: https://docs.monite.com/api/products/patch-products-id

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Servers

- `https://api.sandbox.monite.com/v1` (sandbox, default)
- `https://api.monite.com/v1` (eu_production)
- `https://us.api.monite.com/v1` (na_production)

## Request

### Path parameters

- `product_id` (string, required)

### Headers

- `x-monite-version` (string, required)
- `x-monite-entity-id` (string, required) — The ID of the entity that owns the requested resource.

### Body (application/json)

This endpoint expects an object.

- `description` (string, optional) — Description of the product.
- `external_reference` (string, optional) — A user-defined identifier of the product. For example, an internal product code or SKU (stock keeping unit). Client applications can use this field to map the products in Monite to an external product catalog.
- `ledger_account_id` (string, optional)
- `measure_unit_id` (string, optional) — The unique ID reference of the unit used to measure the quantity of this product (e.g. items, meters, kilograms).
- `name` (string, optional) — Name of the product.
- `price` (Price, optional)
- `smallest_amount` (double, optional) — The smallest amount allowed for this product.
- `type` (enum, optional) — Specifies whether this offering is a product or service. This may affect the applicable tax rates.
  - Allowed values: `product`, `service`

## Response

### 200

Successful Response

- `id` (string, required) — Unique ID of the product.
- `created_at` (datetime, required) — Time at which the product was created. Timestamps follow the ISO 8601 standard.
- `updated_at` (datetime, required) — Time at which the product was last updated. Timestamps follow the ISO 8601 standard.
- `entity_id` (string, required)
- `name` (string, required) — Name of the product.
- `description` (string, optional) — Description of the product.
- `entity_user_id` (string, optional)
- `external_reference` (string, optional) — A user-defined identifier of the product. For example, an internal product code or SKU (stock keeping unit). Client applications can use this field to map the products in Monite to an external product catalog.
- `ledger_account_id` (string, optional)
- `measure_unit_id` (string, optional) — The unique ID reference of the unit used to measure the quantity of this product (e.g. items, meters, kilograms).
- `price` (Price, optional)
- `smallest_amount` (double, optional) — The smallest amount allowed for this product.
- `type` (enum, optional) — Specifies whether this offering is a product or service. This may affect the applicable tax rates.
  - Allowed values: `product`, `service`

## Errors

### 400 Patch Products ID Request Bad Request Error

Bad Request

- `error` (ErrorSchema, required)

### 401 Patch Products ID Request Unauthorized Error

Unauthorized

- `error` (ErrorSchema, required)

### 403 Patch Products ID Request Forbidden Error

Forbidden

- `error` (ErrorSchema, required)

### 404 Patch Products ID Request Not Found Error

Not found

- `error` (ErrorSchema, required)

### 422 Patch Products ID Request Unprocessable Entity Error

Validation Error

- `detail` (list of ValidationError, optional)

### 500 Patch Products ID Request Internal Server Error

Internal Server Error

- `error` (ErrorSchema, required)

## Types

### Price

- `currency` (enum, required) — The currency in which the price of the product is set.
  - Allowed values: `AED`, `AFN`, `ALL`, `AMD`, `ANG`, `AOA`, `ARS`, `AUD`, `AWG`, `AZN`, `BAM`, `BBD`, `BDT`, `BGN`, `BHD`, `BIF`, `BMD`, `BND`, `BOB`, `BRL`, `BSD`, `BTN`, `BWP`, `BYN`, `BZD`, `CAD`, `CDF`, `CHF`, `CLP`, `CNY`, `COP`, `CRC`, `CVE`, `CZK`, `DJF`, `DKK`, `DOP`, `DZD`, `EGP`, `ETB`, `EUR`, `FJD`, `FKP`, `GBP`, `GEL`, `GHS`, `GIP`, `GMD`, `GNF`, `GTQ`, `GYD`, `HKD`, `HNL`, `HTG`, `HUF`, `IDR`, `ILS`, `INR`, `IQD`, `ISK`, `JMD`, `JOD`, `JPY`, `KES`, `KGS`, `KHR`, `KMF`, `KRW`, `KWD`, `KYD`, `KZT`, `LAK`, `LBP`, `LKR`, `LRD`, `LSL`, `LYD`, `MAD`, `MDL`, `MGA`, `MKD`, `MMK`, `MNT`, `MOP`, `MUR`, `MVR`, `MWK`, `MXN`, `MYR`, `MZN`, `NAD`, `NGN`, `NIO`, `NOK`, `NPR`, `NZD`, `OMR`, `PAB`, `PEN`, `PGK`, `PHP`, `PKR`, `PLN`, `PYG`, `QAR`, `RON`, `RSD`, `RUB`, `RWF`, `SAR`, `SBD`, `SCR`, `SEK`, `SGD`, `SHP`, `SLE`, `SOS`, `SRD`, `SSP`, `SVC`, `SZL`, `THB`, `TJS`, `TMT`, `TND`, `TOP`, `TRY`, `TTD`, `TWD`, `TZS`, `UAH`, `UGX`, `USD`, `UYU`, `UZS`, `VND`, `VUV`, `WST`, `XAF`, `XCD`, `XOF`, `XPF`, `YER`, `ZAR`, `ZMW`
- `value` (integer, required) — The actual price of the product.

### ErrorSchema

- `message` (string, required)

### ValidationError

- `loc` (list of ValidationErrorLocItem, required)
- `msg` (string, required)
- `type` (string, required)

### ValidationErrorLocItem

## Examples

**Request**

```json
{}
```

**Response**

```json
{
  "id": "id",
  "created_at": "2024-01-15T09:30:00Z",
  "updated_at": "2024-01-15T09:30:00Z",
  "entity_id": "entity_id",
  "name": "name",
  "description": "description",
  "entity_user_id": "entity_user_id",
  "external_reference": "HT-1234-S-BL",
  "ledger_account_id": "ledger_account_id",
  "measure_unit_id": "measure_unit_id",
  "price": {
    "currency": "AED",
    "value": 1
  },
  "smallest_amount": 1.1,
  "type": "product"
}
```

**SDK Code**

```python
import requests

url = "https://api.sandbox.monite.com/v1/products/product_id"

payload = {}
headers = {
    "x-monite-version": "2024-01-31",
    "x-monite-entity-id": "9d2b4c8f-2087-4738-ba91-7359683c49a4",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api.sandbox.monite.com/v1/products/product_id';
const options = {
  method: 'PATCH',
  headers: {
    'x-monite-version': '2024-01-31',
    'x-monite-entity-id': '9d2b4c8f-2087-4738-ba91-7359683c49a4',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: '{}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.sandbox.monite.com/v1/products/product_id"

	payload := strings.NewReader("{}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("x-monite-version", "2024-01-31")
	req.Header.Add("x-monite-entity-id", "9d2b4c8f-2087-4738-ba91-7359683c49a4")
	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.sandbox.monite.com/v1/products/product_id")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["x-monite-version"] = '2024-01-31'
request["x-monite-entity-id"] = '9d2b4c8f-2087-4738-ba91-7359683c49a4'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.patch("https://api.sandbox.monite.com/v1/products/product_id")
  .header("x-monite-version", "2024-01-31")
  .header("x-monite-entity-id", "9d2b4c8f-2087-4738-ba91-7359683c49a4")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PATCH', 'https://api.sandbox.monite.com/v1/products/product_id', [
  'body' => '{}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
    'x-monite-entity-id' => '9d2b4c8f-2087-4738-ba91-7359683c49a4',
    'x-monite-version' => '2024-01-31',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.sandbox.monite.com/v1/products/product_id");
var request = new RestRequest(Method.PATCH);
request.AddHeader("x-monite-version", "2024-01-31");
request.AddHeader("x-monite-entity-id", "9d2b4c8f-2087-4738-ba91-7359683c49a4");
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "x-monite-version": "2024-01-31",
  "x-monite-entity-id": "9d2b4c8f-2087-4738-ba91-7359683c49a4",
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.sandbox.monite.com/v1/products/product_id")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PATCH"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```