# POST /subscription/{{subscription_id}}/cancel — Cancel Subscription For Existing Customer

> Product: **Pabbly Subscription Billing** (v1)
> Base URL: `https://payments.pabbly.com/api/v1`
> Auth: Basic via `Authorization` header
> Canonical: `/subscription-billing/subscriptions/cancel-subscription-for-existing-customer`

Post request API in which you will add the subscription Id in request URL In response the subscription of that customer will be canceled and the customer will not be billed further.

**Path parameters:**

| Name | Type | Required | Description |
|------|------|----------|-------------|
| subscription_id | string | Yes |  |

**Body parameters:**

| Name | Type | Required | Description |
|------|------|----------|-------------|
| cancel_at_end | string | Yes | True if you want cancel at the end of subscription or false if you want to cancel immediately. |

**Example request body:**

```json
{
	"cancel_at_end":"true"
}
```

**Response (200)** — Cancel Subscription For Existing Customer:

```json
{
    "status": "success",
    "message": "Your suscription would be cancelled at the end of the term"
}
```

**Code examples:**

_cURL_

```curl
curl -X POST https://payments.pabbly.com/api/v1/subscription/{{subscription_id}}/cancel \
  -u {{YOUR_API_KEY}}:{{YOUR_SECRET_KEY}} \
  -H "Content-Type: application/json" \
  -d '{
    "cancel_at_end": "true"
  }'
```

_Ruby_

```ruby
require 'net/http'
require 'json'

uri = URI('https://payments.pabbly.com/api/v1/subscription/{{subscription_id}}/cancel')
request = Net::HTTP::Post.new(uri)
request.basic_auth '{{YOUR_API_KEY}}', '{{YOUR_SECRET_KEY}}'
request['Content-Type'] = 'application/json'
request.body = "{\"cancel_at_end\":\"true\"}"

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|
  http.request(request)
end

data = JSON.parse(response.body)
```

_Python_

```python
import requests
from requests.auth import HTTPBasicAuth

response = requests.post(
    'https://payments.pabbly.com/api/v1/subscription/{{subscription_id}}/cancel',
    auth=HTTPBasicAuth('{{YOUR_API_KEY}}', '{{YOUR_SECRET_KEY}}'),
    json={
    'cancel_at_end': 'true'
},
)

data = response.json()
```

_PHP_

```php
<?php
$ch = curl_init('https://payments.pabbly.com/api/v1/subscription/{{subscription_id}}/cancel');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_USERPWD, '{{YOUR_API_KEY}}:{{YOUR_SECRET_KEY}}');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
curl_setopt($ch, CURLOPT_POSTFIELDS, '{"cancel_at_end":"true"}');

$response = curl_exec($ch);
curl_close($ch);
$data = json_decode($response, true);
```

_Java_

```java
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.Base64;

String credentials = Base64.getEncoder().encodeToString("{{YOUR_API_KEY}}:{{YOUR_SECRET_KEY}}".getBytes());

HttpClient client = HttpClient.newHttpClient();
HttpRequest.Builder builder = HttpRequest.newBuilder()
    .uri(URI.create("https://payments.pabbly.com/api/v1/subscription/{{subscription_id}}/cancel"))
    .header("Authorization", "Basic " + credentials)
    .header("Content-Type", "application/json")
    .method("POST", HttpRequest.BodyPublishers.ofString("{\"cancel_at_end\":\"true\"}"));

HttpRequest request = builder.build();
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());
```

_Node.js_

```node
const credentials = Buffer.from('{{YOUR_API_KEY}}:{{YOUR_SECRET_KEY}}').toString('base64');

const response = await fetch('https://payments.pabbly.com/api/v1/subscription/{{subscription_id}}/cancel', {
  method: 'POST',
  headers: {
    'Authorization': `Basic ${credentials}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "cancel_at_end": "true"
  }),
});

const data = await response.json();
```

_Go_

```go
package main

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

func main() {
    payload := strings.NewReader("{\"cancel_at_end\":\"true\"}")
    req, _ := http.NewRequest("POST", "https://payments.pabbly.com/api/v1/subscription/{{subscription_id}}/cancel", payload)
    req.Header.Set("Content-Type", "application/json")
    req.SetBasicAuth("{{YOUR_API_KEY}}", "{{YOUR_SECRET_KEY}}")

    res, _ := http.DefaultClient.Do(req)
    defer res.Body.Close()
    body, _ := io.ReadAll(res.Body)
    fmt.Println(string(body))
}
```

_.NET_

```dotnet
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;

var credentials = Convert.ToBase64String(Encoding.ASCII.GetBytes("{{YOUR_API_KEY}}:{{YOUR_SECRET_KEY}}"));

var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Post, "https://payments.pabbly.com/api/v1/subscription/{{subscription_id}}/cancel");
request.Headers.TryAddWithoutValidation("Authorization", $"Basic {credentials}");
request.Content = new StringContent("{\"cancel_at_end\":\"true\"}");
request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");

var response = await client.SendAsync(request);
var data = await response.Content.ReadAsStringAsync();
Console.WriteLine(data);
```

---

**Other endpoints in Subscriptions:**

- [POST /subscription/{{customer_id}} — Create Subscription For Existing Customer](/subscription-billing/subscriptions/create-subscription-for-existing-customer)
- [GET /subscription/{{subscription_id}} — Get Single Subscription](/subscription-billing/subscriptions/get-single-subscription)
- [GET /subscriptions/{{customer_id}} — List All Subscriptions By Customer Id](/subscription-billing/subscriptions/list-all-subscriptions-by-customer-id)
- [GET /subscriptions — List All Subscriptions](/subscription-billing/subscriptions/list-all-subscriptions)
- [GET /scheduledchanges/{{suscription_id}} — Get Scheduled Subscription](/subscription-billing/subscriptions/get-scheduled-subscription)
- [PUT /subscription/{{subscription_id}}/upgrade-downgrade — Upgrade Downgrade Subscription](/subscription-billing/subscriptions/upgrade-downgrade-subscription)
- [POST /subscription/{{subscription_id}}/update_charges — Subscription Update Charges](/subscription-billing/subscriptions/subscription-update-charges)
- [DELETE /subscriptions/{{subscription_id}} — Delete Subscription](/subscription-billing/subscriptions/delete-subscription)
- [PUT /subscription/change-billing/{{subscription_id}} — Change Subscription Billing Date](/subscription-billing/subscriptions/change-subscription-billing-date)
- [PUT /subscription/{{subscription_id}}/update — Update Subscription](/subscription-billing/subscriptions/update-subscription)
- [PUT /subscription/{{subscription_id}}/pause — Pause Subscription](/subscription-billing/subscriptions/pause-subscription)
- [PUT /subscription/{{subscription_id}}/resume — Resume Subscription](/subscription-billing/subscriptions/resume-subscription)