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This guide provides step-by-step instructions on utilizing <client_id> and <client_secret> for secure authentication, ensuring the confidentiality of sensitive credentials.

Postman:

Note

Please when using Postman, exercise caution when entering your client ID and client secret. Make sure to clear any sensitive information from the request history or environment variables in Postman after use. Additionally, consider using Postman's built-in authorization mechanisms, such as the "Basic Auth" feature, and securely manage your Postman environment settings to prevent accidental exposure of your credentials.

Postman guide:

to make HTTP request to get access token by postman, please follow these steps:

  1. Open Postman and create a new request by clicking on the "New" button in the top-left corner.

  2. Select the HTTP method as "POST" from the dropdown menu next to the URL input field.

  3. Go to the "Authorization" tab, from the "Type" dropdown menu, select "Basic Auth" since you are using the client ID and client secret for authentication..

  4. In the "Username" field, enter your client ID, In the "Password" field, enter your client secret.

    • Key: username, Value: <your_client_id>

    • Key: password, Value: <your_client_secret>

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  5. Go to the "Body" tab and select "x-www-form-urlencoded" as the data format.

  6. Add the following key-value pair in the body:

    • Key: grant_type, Value: client_credentials

    • Key: client_id, Value: <your_client_id>

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  7. Click the "Send" button to make the request.

  8. Postman will display the response, including the access token.

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Note

Please be cautious and ensure the confidentiality of your client ID and client secret. Treat these credentials as sensitive information and avoid sharing them publicly or storing them in insecure locations. If possible, consider using environment variables or secure storage mechanisms to store and retrieve these credentials securely.

Python code:

Paste code macro
languagepython
themeDracula
titleget access token
import requests

def get_token_by_client_id_and_client_secret():
    """
    Retrieves an access token using client credentials (client ID and client secret)
    by making a POST request to an authentication URL.

    Returns:
        str: The access token retrieved from the authentication response.

    Example:
        >>> token = get_token_by_client_id_and_client_secret()
        >>> print(token)
        'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...'
    """
    # Set client ID and client secret
    client_id = "MY_CLIENT_ID"
    client_secret = "MY_CLIENT_SECRET"

    # Set authentication URL
    authentication_url = "MY_AUTHENTICATION_URL"

    # Set payload with grant type and client ID
    payload = f'grant_type=client_credentials&client_id={client_id}'

    # Set authentication with client ID and client secret
    auth = (client_id, client_secret)

    # Set headers
    headers = {'Content-Type': 'application/x-www-form-urlencoded'}

    try:
        # Send POST request with authentication URL, headers, payload, and auth
        response = requests.request("POST",
                                    authentication_url,
                                    headers=headers,
                                    data=payload,
                                    auth=auth)
    except Exception as err:
        # Print error message if there is an exception
        print("Error:", err)

    # Get access token from response JSON
    result = response.json()
    access_token = result.get('access_token')

    # Return access token
    return access_token

...

Javascript code:

Paste code macro
languagejavascript
themeDracula
titleget access token
const axios = require('axios');

async function getTokenByClientIdAndClientSecret() {
  try {
    // Set client ID and client secret
    const clientId = 'MY_CLIENT_ID';
    const clientSecret = 'MY_CLIENT_SECRET';
    
    // Set authentication URL
    const authenticationUrl = 'MY_AUTHENTICATION_URL';
    
    // Set payload with grant type and client ID
    const payload = `grant_type=client_credentials&client_id=${clientId}`;
    
    // Set authentication with client ID and client secret
    const auth = {
      username: clientId,
      password: clientSecret
    };
    
    // Set headers
    const headers = {
      'Content-Type': 'application/x-www-form-urlencoded'
    };
    
    // Send POST request with authentication URL, headers, payload, and auth
    const response = await axios.post(authenticationUrl, payload, {
      headers,
      auth
    });
    
    // Get access token from response JSON
    const result = response.data;
    const accessToken = result.access_token;
    
    // Return access token
    return accessToken;
  } catch (err) {
    // Print error message if there is an exception
    console.error('Error:', err.message);
  }
}

// Example usage
(async () => {
  const token = await getTokenByClientIdAndClientSecret();
  console.log(token);
})();

...

PHP code:

Paste code macro
languagephp
themeDracula
titleget access token
function getTokenByClientIdAndClientSecret() {
    try {
        // Set client ID and client secret
        $clientId = 'MY_CLIENT_ID';
        $clientSecret = 'MY_CLIENT_SECRET';
        
        // Set authentication URL
        $authenticationUrl = 'MY_AUTHENTICATION_URL';
        
        // Set payload with grant type and client ID
        $payload = http_build_query([
            'grant_type' => 'client_credentials',
            'client_id' => $clientId
        ]);
        
        // Set authentication with client ID and client secret
        $auth = base64_encode("$clientId:$clientSecret");
        
        // Set headers
        $headers = [
            'Content-Type: application/x-www-form-urlencoded',
            'Authorization: Basic ' . $auth
        ];
        
        // Send POST request with authentication URL, headers, payload, and auth
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $authenticationUrl);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        $response = curl_exec($ch);
        curl_close($ch);
        
        // Get access token from response JSON
        $result = json_decode($response, true);
        $accessToken = $result['access_token'];
        
        // Return access token
        return $accessToken;
    } catch (Exception $err) {
        // Print error message if there is an exception
        echo 'Error: ' . $err->getMessage();
    }
}

// Example usage
$token = getTokenByClientIdAndClientSecret();
echo $token;

...

Handling Access Token Expiration in the Client Application

Info

Regarding access token management, it's important to be aware that the access token comes with a limited lifespan and will eventually expire. To ensure uninterrupted access, your client application must proactively handle the expiration of the access token. This can be achieved by implementing a robust mechanism that automatically obtains a new access token when the current one nears expiration

Python code:

Paste code macro
languagepython
themeDracula
titleget access token
def get_data_from_endpoint(access_token):

    api_endpoint = "https://my-api-endpoint"
    headers = {
        "Authorization": access_token,
        "x-api-key": "MY_API_KEY",
        "Referer": "MY_REFERER",
        "Origin": "MY_ORIGIN",
        # ...
    }
    response = requests.get(api_endpoint, headers=headers)

    # Handle expired access tokens
    if response.status_code == 401:  # Unauthorized
        # Perform reauthentication
        new_access_token = get_token_by_client_id_and_client_secret()
        # Try to get data with new new authorization
        headers["Authorization"] = new_access_token
        response = requests.get(api_endpoint, headers=headers)

    return response

...

Javascript code:

Paste code macro
languagejavascript
themeDracula
titleget access token
const axios = require('axios');

async function get_data_from_endpoint(access_token) {
  const api_endpoint = "https://my-api-endpoint";
  const headers = {
    "Authorization": access_token,
    "x-api-key": "MY_API_KEY",
    "Referer": "MY_REFERER",
    "Origin": "MY_ORIGIN",
    // ...
  };

  try {
    const response = await axios.get(api_endpoint, { headers });

    // Handle expired access tokens
    if (response.status === 401) {
      // Perform reauthentication
      const new_access_token = await get_token_by_client_id_and_client_secret();
      // Try to get data with the new authorization
      headers.Authorization = new_access_token;

      const newResponse = await axios.get(api_endpoint, { headers });

      return newResponse;
    }

    return response;
  } catch (err) {
    console.error('Error:', err.message);
  }
}

async function get_token_by_client_id_and_client_secret() {
  // Perform the necessary steps to obtain a new access token
  // ...

  return new_access_token;
}

// Example usage
(async () => {
  const response = await get_data_from_endpoint('YOUR_ACCESS_TOKEN');
  console.log(response.data);
})();

...

PHP code:

Paste code macro
languagephp
themeDracula
titleget access token
function get_data_from_endpoint($access_token) {
    $api_endpoint = "https://my-api-endpoint";
    $headers = array(
        "Authorization: $access_token",
        "x-api-key: MY_API_KEY",
        "Referer: MY_REFERER",
        "Origin: MY_ORIGIN",
        // ...
    );

    $ch = curl_init($api_endpoint);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    // Handle expired access tokens
    if ($http_code == 401) {
        // Perform reauthentication
        $new_access_token = get_token_by_client_id_and_client_secret();
        // Try to get data with the new authorization
        $headers[0] = "Authorization: $new_access_token";

        $ch = curl_init($api_endpoint);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $response = curl_exec($ch);
        curl_close($ch);
    }

    return $response;
}