diff --git a/src/Provider/Mollie.php b/src/Provider/Mollie.php
index 5ec15ba..1d6c678 100644
--- a/src/Provider/Mollie.php
+++ b/src/Provider/Mollie.php
@@ -1,4 +1,6 @@
-<?php namespace Mollie\OAuth2\Client\Provider;
+<?php
+
+namespace Mollie\OAuth2\Client\Provider;
 
 use League\OAuth2\Client\Provider\AbstractProvider;
 use League\OAuth2\Client\Provider\Exception\IdentityProviderException;
@@ -14,26 +16,26 @@ class Mollie extends AbstractProvider
      */
     const CLIENT_VERSION = "2.6.0";
 
-	/**
-	 * The base url to the Mollie API.
-	 *
-	 * @const string
-	 */
-	const MOLLIE_API_URL = 'https://api.mollie.com';
-
-	/**
-	 * The base url to the Mollie web application.
-	 *
-	 * @const string
-	 */
-	const MOLLIE_WEB_URL = 'https://www.mollie.com';
-
-	/**
-	 * The prefix for the Client ID
-	 *
-	 * @const string
-	 */
-	const CLIENT_ID_PREFIX = 'app_';
+    /**
+     * The base url to the Mollie API.
+     *
+     * @const string
+     */
+    const MOLLIE_API_URL = 'https://api.mollie.com';
+
+    /**
+     * The base url to the Mollie web application.
+     *
+     * @const string
+     */
+    const MOLLIE_WEB_URL = 'https://www.mollie.com';
+
+    /**
+     * The prefix for the Client ID
+     *
+     * @const string
+     */
+    const CLIENT_ID_PREFIX = 'app_';
 
     /**
      * @var string HTTP method used to revoke tokens.
@@ -50,38 +52,41 @@ class Mollie extends AbstractProvider
      */
     const TOKEN_TYPE_REFRESH = 'refresh_token';
 
-	/**
-	 * Shortcuts to the available Mollie scopes.
-	 *
-	 * In order to access the Mollie API endpoints on behalf of your app user, your
-	 * app should request the appropriate scope permissions.
-	 *
-	 * @see https://docs.mollie.com/oauth/permissions
-	 */
-	const SCOPE_PAYMENTS_READ       = 'payments.read';
-	const SCOPE_PAYMENTS_WRITE      = 'payments.write';
-	const SCOPE_REFUNDS_READ        = 'refunds.read';
-	const SCOPE_REFUNDS_WRITE       = 'refunds.write';
-	const SCOPE_CUSTOMERS_READ      = 'customers.read';
-	const SCOPE_CUSTOMERS_WRITE     = 'customers.write';
-	const SCOPE_MANDATES_READ       = 'mandates.read';
-	const SCOPE_MANDATES_WRITE      = 'mandates.write';
-	const SCOPE_SUBSCRIPTIONS_READ  = 'subscriptions.read';
-	const SCOPE_SUBSCRIPTIONS_WRITE = 'subscriptions.write';
-	const SCOPE_PROFILES_READ       = 'profiles.read';
-	const SCOPE_PROFILES_WRITE      = 'profiles.write';
-	const SCOPE_INVOICES_READ       = 'invoices.read';
-	const SCOPE_SETTLEMENTS_READ    = 'settlements.read';
-	const SCOPE_ORDERS_READ         = 'orders.read';
-	const SCOPE_ORDERS_WRITE        = 'orders.write';
-	const SCOPE_SHIPMENTS_READ      = 'shipments.read';
-	const SCOPE_SHIPMENTS_WRITE     = 'shipments.write';
-	const SCOPE_ORGANIZATIONS_READ  = 'organizations.read';
-	const SCOPE_ORGANIZATIONS_WRITE = 'organizations.write';
-	const SCOPE_ONBOARDING_READ     = 'onboarding.read';
-	const SCOPE_ONBOARDING_WRITE    = 'onboarding.write';
-	const SCOPE_PAYMENT_LINKS_READ	= 'payment-links.read';
-	const SCOPE_PAYMENT_LINKS_WRITE = 'payment-links.write';
+    /**
+     * Shortcuts to the available Mollie scopes.
+     *
+     * In order to access the Mollie API endpoints on behalf of your app user, your
+     * app should request the appropriate scope permissions.
+     *
+     * @see https://docs.mollie.com/oauth/permissions
+     */
+    const SCOPE_PAYMENTS_READ       = 'payments.read';
+    const SCOPE_PAYMENTS_WRITE      = 'payments.write';
+    const SCOPE_REFUNDS_READ        = 'refunds.read';
+    const SCOPE_REFUNDS_WRITE       = 'refunds.write';
+    const SCOPE_CUSTOMERS_READ      = 'customers.read';
+    const SCOPE_CUSTOMERS_WRITE     = 'customers.write';
+    const SCOPE_MANDATES_READ       = 'mandates.read';
+    const SCOPE_MANDATES_WRITE      = 'mandates.write';
+    const SCOPE_SUBSCRIPTIONS_READ  = 'subscriptions.read';
+    const SCOPE_SUBSCRIPTIONS_WRITE = 'subscriptions.write';
+    const SCOPE_PROFILES_READ       = 'profiles.read';
+    const SCOPE_PROFILES_WRITE      = 'profiles.write';
+    const SCOPE_INVOICES_READ       = 'invoices.read';
+    const SCOPE_SETTLEMENTS_READ    = 'settlements.read';
+    const SCOPE_ORDERS_READ         = 'orders.read';
+    const SCOPE_ORDERS_WRITE        = 'orders.write';
+    const SCOPE_SHIPMENTS_READ      = 'shipments.read';
+    const SCOPE_SHIPMENTS_WRITE     = 'shipments.write';
+    const SCOPE_ORGANIZATIONS_READ  = 'organizations.read';
+    const SCOPE_ORGANIZATIONS_WRITE = 'organizations.write';
+    const SCOPE_ONBOARDING_READ     = 'onboarding.read';
+    const SCOPE_ONBOARDING_WRITE    = 'onboarding.write';
+    const SCOPE_PAYMENT_LINKS_READ    = 'payment-links.read';
+    const SCOPE_PAYMENT_LINKS_WRITE = 'payment-links.write';
+    const SCOPE_BALANCES_READ        = 'balances.read';
+    const SCOPE_TERMINALS_READ       = 'terminals.read';
+    const SCOPE_TERMINALS_WRITE      = 'terminals.write';
 
     /**
      * @var string
@@ -93,14 +98,14 @@ class Mollie extends AbstractProvider
      */
     private $mollieWebUrl = self::MOLLIE_WEB_URL;
 
-	public function __construct(array $options = [], array $collaborators = [])
-	{
+    public function __construct(array $options = [], array $collaborators = [])
+    {
         parent::__construct($options, $collaborators);
 
-		if (isset($options["clientId"]) && strpos($options["clientId"], self::CLIENT_ID_PREFIX) !== 0) {
-			throw new \DomainException("Mollie needs the client ID to be prefixed with " . self::CLIENT_ID_PREFIX . ".");
-		}
-	}
+        if (isset($options["clientId"]) && strpos($options["clientId"], self::CLIENT_ID_PREFIX) !== 0) {
+            throw new \DomainException("Mollie needs the client ID to be prefixed with " . self::CLIENT_ID_PREFIX . ".");
+        }
+    }
 
     /**
      * Define Mollie api URL
@@ -108,7 +113,7 @@ public function __construct(array $options = [], array $collaborators = [])
      * @param string $url
      * @return Mollie
      */
-    public function setMollieApiUrl ($url)
+    public function setMollieApiUrl($url)
     {
         $this->mollieApiUrl = $url;
 
@@ -121,48 +126,48 @@ public function setMollieApiUrl ($url)
      * @param string $url
      * @return Mollie
      */
-    public function setMollieWebUrl ($url)
+    public function setMollieWebUrl($url)
     {
         $this->mollieWebUrl = $url;
 
         return $this;
     }
 
-	/**
-	 * Returns the base URL for authorizing a client.
-	 *
-	 * Eg. https://oauth.service.com/authorize
-	 *
-	 * @return string
-	 */
-	public function getBaseAuthorizationUrl ()
-	{
-		return $this->mollieWebUrl . '/oauth2/authorize';
-	}
-
-	/**
-	 * Returns the base URL for requesting or revoking an access token.
-	 *
-	 * Eg. https://oauth.service.com/token
-	 *
-	 * @param array $params
-	 * @return string
-	 */
-	public function getBaseAccessTokenUrl (array $params)
-	{
-		return $this->mollieApiUrl . '/oauth2/tokens';
-	}
-
-	/**
-	 * Returns the URL for requesting the app user's details.
-	 *
-	 * @param AccessToken $token
-	 * @return string
-	 */
-	public function getResourceOwnerDetailsUrl (AccessToken $token)
-	{
-		return static::MOLLIE_API_URL . '/v2/organizations/me';
-	}
+    /**
+     * Returns the base URL for authorizing a client.
+     *
+     * Eg. https://oauth.service.com/authorize
+     *
+     * @return string
+     */
+    public function getBaseAuthorizationUrl()
+    {
+        return $this->mollieWebUrl . '/oauth2/authorize';
+    }
+
+    /**
+     * Returns the base URL for requesting or revoking an access token.
+     *
+     * Eg. https://oauth.service.com/token
+     *
+     * @param array $params
+     * @return string
+     */
+    public function getBaseAccessTokenUrl(array $params)
+    {
+        return $this->mollieApiUrl . '/oauth2/tokens';
+    }
+
+    /**
+     * Returns the URL for requesting the app user's details.
+     *
+     * @param AccessToken $token
+     * @return string
+     */
+    public function getResourceOwnerDetailsUrl(AccessToken $token)
+    {
+        return static::MOLLIE_API_URL . '/v2/organizations/me';
+    }
 
     /**
      * Revoke a Mollie access token.
@@ -205,7 +210,7 @@ public function revokeToken($type, $token)
             'token_type_hint' => $type,
             'token' => $token,
         ]);
-	}
+    }
 
     /**
      * Sends a token revocation request and returns an response instance.
@@ -231,78 +236,73 @@ protected function getRevokeTokenResponse(array $params)
         );
 
         return $this->getHttpClient()->send($request);
-	}
-
-	/**
-	 * The Mollie OAuth provider requests access to the organizations.read scope
-	 * by default to enable retrieving the app user's details.
-	 *
-	 * @return string[]
-	 */
-	protected function getDefaultScopes ()
-	{
-		return [
-			self::SCOPE_ORGANIZATIONS_READ,
-		];
-	}
-
-	/**
-	 * Returns the string that should be used to separate scopes when building
-	 * the URL for requesting an access token.
-	 *
-	 * @return string Scope separator, defaults to ','
-	 */
-	protected function getScopeSeparator ()
-	{
-		return ' ';
-	}
-
-	/**
-	 * Checks a provider response for errors.
-	 *
-	 * @throws IdentityProviderException
-	 * @param  ResponseInterface $response
-	 * @param  array|string      $data Parsed response data
-	 * @return void
-	 */
-	protected function checkResponse (ResponseInterface $response, $data)
-	{
-		if ($response->getStatusCode() >= 400)
-		{
-			if (isset($data['error']))
-			{
-				if (isset($data['error']['type']) && isset($data['error']['message'])) {
-					$message = sprintf('[%s] %s', $data['error']['type'], $data['error']['message']);
-				} else {
-					$message = $data['error'];
-				}
-
-				if (isset($data['error']['field']))
-				{
-					$message .= sprintf(' (field: %s)', $data['error']['field']);
-				}
-			}
-			else
-			{
-				$message = $response->getReasonPhrase();
-			}
-
-			throw new IdentityProviderException($message, $response->getStatusCode(), $response);
-		}
-	}
-
-	/**
-	 * Generates a resource owner object from a successful resource owner
-	 * details request.
-	 *
-	 * @param  array       $response
-	 * @param  AccessToken $token
-	 * @return ResourceOwnerInterface
-	 */
-	protected function createResourceOwner (array $response, AccessToken $token)
-	{
-		return new MollieResourceOwner($response);
-	}
+    }
+
+    /**
+     * The Mollie OAuth provider requests access to the organizations.read scope
+     * by default to enable retrieving the app user's details.
+     *
+     * @return string[]
+     */
+    protected function getDefaultScopes()
+    {
+        return [
+            self::SCOPE_ORGANIZATIONS_READ,
+        ];
+    }
+
+    /**
+     * Returns the string that should be used to separate scopes when building
+     * the URL for requesting an access token.
+     *
+     * @return string Scope separator, defaults to ','
+     */
+    protected function getScopeSeparator()
+    {
+        return ' ';
+    }
+
+    /**
+     * Checks a provider response for errors.
+     *
+     * @throws IdentityProviderException
+     * @param  ResponseInterface $response
+     * @param  array|string      $data Parsed response data
+     * @return void
+     */
+    protected function checkResponse(ResponseInterface $response, $data)
+    {
+        if ($response->getStatusCode() >= 400) {
+            if (isset($data['error'])) {
+                if (isset($data['error']['type']) && isset($data['error']['message'])) {
+                    $message = sprintf('[%s] %s', $data['error']['type'], $data['error']['message']);
+                } else {
+                    $message = $data['error'];
+                }
+
+                if (isset($data['error']['field'])) {
+                    $message .= sprintf(' (field: %s)', $data['error']['field']);
+                }
+            } else {
+                $message = $response->getReasonPhrase();
+            }
+
+            throw new IdentityProviderException($message, $response->getStatusCode(), $response);
+        }
+    }
+
+    /**
+     * Generates a resource owner object from a successful resource owner
+     * details request.
+     *
+     * @param  array       $response
+     * @param  AccessToken $token
+     * @return ResourceOwnerInterface
+     */
+    protected function createResourceOwner(array $response, AccessToken $token)
+    {
+        return new MollieResourceOwner($response);
+    }
 
     /**
      * Returns required authorization headers plus Mollie user agent strings.