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

# Update Product

PATCH https://app.paymentkit.com/api/{account_id}/products/{product_id}
Content-Type: application/json

Reference: https://docs.paymentkit.com/api-reference/api-reference/products/update-product

## Authentication

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

## Servers

- `https://app.paymentkit.com` (Production, default)
- `https://staging.paymentkit.com` (Staging)

## Request

### Path parameters

- `product_id` (string, required)
- `account_id` (string, required)

### Body (application/json)

This endpoint expects a ProductPayload.

- `name` (string, required)
- `is_active` (boolean, optional, default: true)
- `description` (string, optional, nullable)
- `default_price_id` (string, optional, nullable)
- `metadata` (map from string to any, optional, nullable)
- `custom_fields` (map from string to any, optional, nullable) — Custom field values to set on this product. Keys must match defined field keys for the product entity type. Set a key to null to delete that field's value.

## Response

### 200

Successful Response

- `id` (string, required)
- `account_id` (string, required)
- `name` (string, required)
- `description` (string, required, nullable)
- `is_active` (boolean, required)
- `default_price_id` (string, required, nullable)
- `metadata` (map from string to any, required, nullable)
- `created_at` (datetime, required)
- `updated_at` (datetime, required)
- `custom_fields` (map from string to any, optional, nullable) — Custom field values. Only included when expand=custom_fields is specified.

## Errors

### 422 Unprocessable Entity Error

Validation Error

- `detail` (list of ValidationError, optional)

## Types

### ValidationError

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

### ValidationErrorLocItems

## Examples

**Request**

```json
{
  "name": "Premium Coffee Beans"
}
```

**Response**

```json
{
  "id": "prod_9876543210",
  "account_id": "acct_1234567890",
  "name": "Premium Coffee Beans",
  "description": "A selection of the finest Arabica coffee beans sourced from Colombia.",
  "is_active": true,
  "default_price_id": "price_123abc456def",
  "metadata": {},
  "created_at": "2024-01-15T09:30:00Z",
  "updated_at": "2024-01-15T09:30:00Z",
  "custom_fields": {}
}
```

**SDK Code**

```python
import requests

url = "https://app.paymentkit.com/api/account_id/products/product_id"

payload = { "name": "Premium Coffee Beans" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.json())
```

```javascript
const url = 'https://app.paymentkit.com/api/account_id/products/product_id';
const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"name":"Premium Coffee Beans"}'
};

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://app.paymentkit.com/api/account_id/products/product_id"

	payload := strings.NewReader("{\n  \"name\": \"Premium Coffee Beans\"\n}")

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

	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://app.paymentkit.com/api/account_id/products/product_id")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Premium Coffee Beans\"\n}"

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://app.paymentkit.com/api/account_id/products/product_id")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Premium Coffee Beans\"\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('PATCH', 'https://app.paymentkit.com/api/account_id/products/product_id', [
  'body' => '{
  "name": "Premium Coffee Beans"
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://app.paymentkit.com/api/account_id/products/product_id");
var request = new RestRequest(Method.PATCH);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"name\": \"Premium Coffee Beans\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = ["name": "Premium Coffee Beans"] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://app.paymentkit.com/api/account_id/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()
```