> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.brevo.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.brevo.com/_mcp/server.

# Updates balance limit

PUT https://api.brevo.com/v3/loyalty/balance/programs/{pid}/balance-definitions/{bdid}/limits/{blid}
Content-Type: application/json

Updates balance limit

Reference: https://developers.brevo.com/reference/update-balance-limit

## Authentication

- `api-key` header (required) — The API key should be passed in the request headers as `api-key` for authentication.

## Request

### Path parameters

- `pid` (string, required) — Loyalty Program Id
- `bdid` (string, required) — Balance Definition Id
- `blid` (string, required) — Balance Limit Id

### Body (application/json)

This endpoint expects an object.

- `constraintType` (enum, required) — Defines whether the limit applies to transaction count or amount.
  - Allowed values: `transaction`, `amount`
- `durationUnit` (enum, required) — Unit of time for which the limit is applicable.
  - Allowed values: `day`, `week`, `month`, `year`
- `durationValue` (integer, required) — Number of time units for the balance limit.
- `transactionType` (enum, required) — Specifies whether the limit applies to credit or debit transactions.
  - Allowed values: `credit`, `debit`
- `value` (integer, required) — Maximum allowed value for the specified constraint type.
- `slidingSchedule` (boolean, optional) — Determines if the limit resets on a rolling schedule.

## Response

### 200

Successful update of balance limit

- `id` (string, optional) — Unique identifier for the balance limit.
- `balanceDefinitionId` (string, optional) — Balance definition ID.
- `transactionType` (enum, optional) — Specifies whether the limit applies to credit or debit transactions.
  - Allowed values: `credit`, `debit`
- `constraintType` (enum, optional) — Defines the type of constraint (transaction count or amount).
  - Allowed values: `transaction`, `amount`
- `durationValue` (integer, optional) — Number of time units the balance limit applies to.
- `durationUnit` (enum, optional) — Time unit for the balance limit.
  - Allowed values: `hour`, `day`, `week`, `month`, `year`
- `value` (double, optional) — The maximum allowed value for the defined constraint.
- `slidingSchedule` (boolean, optional) — Indicates if the limit resets periodically based on a sliding schedule.
- `createdAt` (datetime, optional) — Timestamp of when the balance limit was created.
- `updatedAt` (datetime, optional) — Timestamp of the last update to the balance limit.

## Errors

### 401 Unauthorized Error

Request Authentication Failed

- `message` (string, required) — Readable message associated to the failure
- `code` (string, optional) — Error code displayed in case of a failure

### 403 Forbidden Error

Cannot Authenticate Request

- `message` (string, required) — Readable message associated to the failure
- `code` (string, optional) — Error code displayed in case of a failure

### 404 Not Found Error

not found

- `message` (string, required) — Readable message associated to the failure
- `code` (string, optional) — Error code displayed in case of a failure

### 422 Unprocessable Entity Error

Validation errors

- `message` (string, required) — Readable message associated to the failure
- `code` (string, optional) — Error code displayed in case of a failure

### 500 Internal Server Error

Internal error occurred

- `message` (string, required) — Readable message associated to the failure
- `code` (string, optional) — Error code displayed in case of a failure

## Examples

**Request**

```json
{
  "constraintType": "transaction",
  "durationUnit": "day",
  "durationValue": 1,
  "transactionType": "credit",
  "value": 1
}
```

**Response**

```json
{
  "id": "string",
  "balanceDefinitionId": "string",
  "transactionType": "credit",
  "constraintType": "transaction",
  "durationValue": 1,
  "durationUnit": "hour",
  "value": 1.1,
  "slidingSchedule": true,
  "createdAt": "2024-01-15T09:30:00Z",
  "updatedAt": "2024-01-15T09:30:00Z"
}
```

**SDK Code**

```typescript
import { BrevoClient } from "@getbrevo/brevo";

async function main() {
    const client = new BrevoClient({
        apiKey: "YOUR_API_KEY_HERE",
    });
    await client.balance.updateBalanceLimit({
        pid: "pid",
        bdid: "bdid",
        blid: "blid",
        constraintType: "transaction",
        durationUnit: "day",
        durationValue: 1,
        transactionType: "credit",
        value: 1,
    });
}
main();

```

```python
from brevo import Brevo

client = Brevo(
    api_key="YOUR_API_KEY_HERE",
)

client.balance.update_balance_limit(
    pid="pid",
    bdid="bdid",
    blid="blid",
    constraint_type="transaction",
    duration_unit="day",
    duration_value=1,
    transaction_type="credit",
    value=1,
)

```

```php
<?php

namespace Example;

use Brevo\Brevo;
use Brevo\Balance\Requests\UpdateBalanceLimitRequest;
use Brevo\Balance\Types\UpdateBalanceLimitRequestConstraintType;
use Brevo\Balance\Types\UpdateBalanceLimitRequestDurationUnit;
use Brevo\Balance\Types\UpdateBalanceLimitRequestTransactionType;

$client = new Brevo(
    apiKey: 'YOUR_API_KEY_HERE',
);
$client->balance->updateBalanceLimit(
    'pid',
    'bdid',
    'blid',
    new UpdateBalanceLimitRequest([
        'constraintType' => UpdateBalanceLimitRequestConstraintType::Transaction->value,
        'durationUnit' => UpdateBalanceLimitRequestDurationUnit::Day->value,
        'durationValue' => 1,
        'transactionType' => UpdateBalanceLimitRequestTransactionType::Credit->value,
        'value' => 1,
    ]),
);

```

```go
package main

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

func main() {

	url := "https://api.brevo.com/v3/loyalty/balance/programs/pid/balance-definitions/bdid/limits/blid"

	payload := strings.NewReader("{\n  \"constraintType\": \"transaction\",\n  \"durationUnit\": \"day\",\n  \"durationValue\": 1,\n  \"transactionType\": \"credit\",\n  \"value\": 1\n}")

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

	req.Header.Add("api-key", "<apiKey>")
	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.brevo.com/v3/loyalty/balance/programs/pid/balance-definitions/bdid/limits/blid")

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

request = Net::HTTP::Put.new(url)
request["api-key"] = '<apiKey>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"constraintType\": \"transaction\",\n  \"durationUnit\": \"day\",\n  \"durationValue\": 1,\n  \"transactionType\": \"credit\",\n  \"value\": 1\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.put("https://api.brevo.com/v3/loyalty/balance/programs/pid/balance-definitions/bdid/limits/blid")
  .header("api-key", "<apiKey>")
  .header("Content-Type", "application/json")
  .body("{\n  \"constraintType\": \"transaction\",\n  \"durationUnit\": \"day\",\n  \"durationValue\": 1,\n  \"transactionType\": \"credit\",\n  \"value\": 1\n}")
  .asString();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.brevo.com/v3/loyalty/balance/programs/pid/balance-definitions/bdid/limits/blid");
var request = new RestRequest(Method.PUT);
request.AddHeader("api-key", "<apiKey>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"constraintType\": \"transaction\",\n  \"durationUnit\": \"day\",\n  \"durationValue\": 1,\n  \"transactionType\": \"credit\",\n  \"value\": 1\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "api-key": "<apiKey>",
  "Content-Type": "application/json"
]
let parameters = [
  "constraintType": "transaction",
  "durationUnit": "day",
  "durationValue": 1,
  "transactionType": "credit",
  "value": 1
] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://api.brevo.com/v3/loyalty/balance/programs/pid/balance-definitions/bdid/limits/blid")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PUT"
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()
```