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# Rotate an application secret

POST https://sandbox.api.thepennyinc.com/access/applications/{application_id}/rotate-secret

Rotate an application's secret. The previous secret stops working immediately, and the new secret is returned only in this response.

Required permissions: `permission:update`.

Reference: https://docs.thepennyinc.com/banking/api-reference/access/applications/rotate-secret

## Authentication

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

## Servers

- `https://sandbox.api.thepennyinc.com` (Sandbox — safe for testing, no real money movement., default)
- `https://live.api.thepennyinc.com` (Live — real businesses, real money movement.)

## Request

### Path parameters

- `application_id` (string, required) — The ID of the application.

### Headers

- `X-Penny-As-Business` (string, optional, nullable) — Act on behalf of another business that has granted you access. Requires the `business:act_as` permission.

## Response

### 200

The application's new one-time credential pair.

- `client_id` (string, required) — The client ID for the application.
- `client_secret` (string, required) — The new client secret. It is returned once and cannot be retrieved from Penny later.

## Errors

### 400 Bad Request Error

The request was malformed: a required field is missing or a value has the wrong type or format.

- `type` (string, required) — The name of the exception that was raised.
- `message` (string, required) — A human-readable description of the error.
- `details` (map from string to any, optional, nullable) — Structured context about the error, if any.
- `trace_id` (string, optional, nullable) — Identifier for correlating this error with server-side logs.
- `errors` (list of map from string to any, optional, nullable) — Sub-errors that contributed to this failure, if any.

### 401 Unauthorized Error

Authentication failed.

- `type` (string, required) — The name of the exception that was raised.
- `message` (string, required) — A human-readable description of the error.
- `details` (map from string to any, optional, nullable) — Structured context about the error, if any.
- `trace_id` (string, optional, nullable) — Identifier for correlating this error with server-side logs.
- `errors` (list of map from string to any, optional, nullable) — Sub-errors that contributed to this failure, if any.

### 403 Forbidden Error

The caller does not have permission to perform this action.

- `type` (string, required) — The name of the exception that was raised.
- `message` (string, required) — A human-readable description of the error.
- `details` (map from string to any, optional, nullable) — Structured context about the error, if any.
- `trace_id` (string, optional, nullable) — Identifier for correlating this error with server-side logs.
- `errors` (list of map from string to any, optional, nullable) — Sub-errors that contributed to this failure, if any.

### 404 Not Found Error

The application was not found.

- `type` (string, required) — The name of the exception that was raised.
- `message` (string, required) — A human-readable description of the error.
- `details` (map from string to any, optional, nullable) — Structured context about the error, if any.
- `trace_id` (string, optional, nullable) — Identifier for correlating this error with server-side logs.
- `errors` (list of map from string to any, optional, nullable) — Sub-errors that contributed to this failure, if any.

### 422 Unprocessable Entity Error

The request was well-formed but could not be processed because it breaks a business rule.

- `type` (string, required) — The name of the exception that was raised.
- `message` (string, required) — A human-readable description of the error.
- `details` (map from string to any, optional, nullable) — Structured context about the error, if any.
- `trace_id` (string, optional, nullable) — Identifier for correlating this error with server-side logs.
- `errors` (list of map from string to any, optional, nullable) — Sub-errors that contributed to this failure, if any.

### 429 Too Many Requests Error

Too many requests; retry after the Retry-After header.

- `type` (string, required) — The name of the exception that was raised.
- `message` (string, required) — A human-readable description of the error.
- `details` (map from string to any, optional, nullable) — Structured context about the error, if any.
- `trace_id` (string, optional, nullable) — Identifier for correlating this error with server-side logs.
- `errors` (list of map from string to any, optional, nullable) — Sub-errors that contributed to this failure, if any.

### 500 Internal Server Error

An unexpected error occurred.

- `type` (string, required) — The name of the exception that was raised.
- `message` (string, required) — A human-readable description of the error.
- `details` (map from string to any, optional, nullable) — Structured context about the error, if any.
- `trace_id` (string, optional, nullable) — Identifier for correlating this error with server-side logs.
- `errors` (list of map from string to any, optional, nullable) — Sub-errors that contributed to this failure, if any.

## Examples

**Response**

```json
{
  "client_id": "string",
  "client_secret": "string"
}
```

**SDK Code**

```python
import requests

url = "https://sandbox.api.thepennyinc.com/access/applications/application_id/rotate-secret"

headers = {
    "X-Penny-As-Business": "business_01a083e2-82ed-7a5c-9d1e-3b6f0c2a4d71",
    "Authorization": "Bearer <token>"
}

response = requests.post(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://sandbox.api.thepennyinc.com/access/applications/application_id/rotate-secret';
const options = {
  method: 'POST',
  headers: {
    'X-Penny-As-Business': 'business_01a083e2-82ed-7a5c-9d1e-3b6f0c2a4d71',
    Authorization: 'Bearer <token>'
  }
};

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"
	"net/http"
	"io"
)

func main() {

	url := "https://sandbox.api.thepennyinc.com/access/applications/application_id/rotate-secret"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("X-Penny-As-Business", "business_01a083e2-82ed-7a5c-9d1e-3b6f0c2a4d71")
	req.Header.Add("Authorization", "Bearer <token>")

	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://sandbox.api.thepennyinc.com/access/applications/application_id/rotate-secret")

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

request = Net::HTTP::Post.new(url)
request["X-Penny-As-Business"] = 'business_01a083e2-82ed-7a5c-9d1e-3b6f0c2a4d71'
request["Authorization"] = 'Bearer <token>'

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.post("https://sandbox.api.thepennyinc.com/access/applications/application_id/rotate-secret")
  .header("X-Penny-As-Business", "business_01a083e2-82ed-7a5c-9d1e-3b6f0c2a4d71")
  .header("Authorization", "Bearer <token>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://sandbox.api.thepennyinc.com/access/applications/application_id/rotate-secret', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'X-Penny-As-Business' => 'business_01a083e2-82ed-7a5c-9d1e-3b6f0c2a4d71',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://sandbox.api.thepennyinc.com/access/applications/application_id/rotate-secret");
var request = new RestRequest(Method.POST);
request.AddHeader("X-Penny-As-Business", "business_01a083e2-82ed-7a5c-9d1e-3b6f0c2a4d71");
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "X-Penny-As-Business": "business_01a083e2-82ed-7a5c-9d1e-3b6f0c2a4d71",
  "Authorization": "Bearer <token>"
]

let request = NSMutableURLRequest(url: NSURL(string: "https://sandbox.api.thepennyinc.com/access/applications/application_id/rotate-secret")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers

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()
```