diff --git a/src/Adapter/AdapterInterface.php b/src/Adapter/AdapterInterface.php
index a5686aa..520829e 100755
--- a/src/Adapter/AdapterInterface.php
+++ b/src/Adapter/AdapterInterface.php
@@ -15,6 +15,11 @@ public function setParameters(array $parameters = []): AdapterInterface;
      */
     public function form(): string;
 
+    /**
+     * @return array
+     */
+    public function formParams(): array;
+
     /**
      * @return bool
      */
diff --git a/src/Adapter/Mellat.php b/src/Adapter/Mellat.php
index 77f3b74..d098b85 100755
--- a/src/Adapter/Mellat.php
+++ b/src/Adapter/Mellat.php
@@ -96,6 +96,20 @@ protected function generateForm()
         ]);
     }
 
+    /**
+     * @return array
+     * @throws Exception
+     */
+    public function formParams(): array
+    {
+        $refId = $this->requestToken();
+
+        return  [
+            'endPoint'    => $this->getEndPoint(),
+            'refId'       => $refId,
+        ];
+    }
+
     /**
      * @return bool
      * @throws Exception
diff --git a/src/Adapter/Parsian.php b/src/Adapter/Parsian.php
index dd48582..a601274 100755
--- a/src/Adapter/Parsian.php
+++ b/src/Adapter/Parsian.php
@@ -107,6 +107,21 @@ protected function generateForm(): string
         ]);
     }
 
+    /**
+     * @return array
+     * @throws Exception
+     * @throws \Tartan\Larapay\Adapter\Exception
+     */
+    public function fromParams(): array
+    {
+        $authority = $this->requestToken();
+
+        return  [
+            'endPoint'    => $this->getEndPoint(),
+            'refId'       => $authority,
+        ];
+    }
+
     /**
      * @return bool
      * @throws Exception
diff --git a/src/Adapter/Pasargad.php b/src/Adapter/Pasargad.php
index 7f38ea6..6a3f7aa 100644
--- a/src/Adapter/Pasargad.php
+++ b/src/Adapter/Pasargad.php
@@ -67,6 +67,49 @@ protected function generateForm(): string
 		));
 	}
 
+    /**
+     * @return array
+     * @throws Exception
+     */
+    public function formParams(): array
+    {
+        $this->checkRequiredParameters([
+            'amount',
+            'order_id',
+            'redirect_url'
+        ]);
+
+        $processor = new RSAProcessor(config('larapay.pasargad.certificate_path'), RSAKeyType::XMLFile);
+
+        $url           = $this->getEndPoint();
+        $redirectUrl   = $this->redirect_url;
+        $invoiceNumber = $this->order_id;
+        $amount        = $this->amount;
+        $terminalCode  = config('larapay.pasargad.terminalId');
+        $merchantCode  = config('larapay.pasargad.merchantId');
+        $timeStamp     = date("Y/m/d H:i:s");
+        $invoiceDate   = date("Y/m/d H:i:s");
+        $action        = 1003; // sell code
+
+        $data          = "#" . $merchantCode . "#" . $terminalCode . "#" . $invoiceNumber . "#" . $invoiceDate . "#" . $amount . "#" . $redirectUrl . "#" . $action . "#" . $timeStamp . "#";
+        $data          = sha1($data, true);
+        $data          = $processor->sign($data); // امضاي ديجيتال
+        $sign          = base64_encode($data); // base64_encode
+
+        return [
+            'url' => $url,
+            'redirectUrl' => $redirectUrl,
+            'invoiceNumber' => $invoiceNumber,
+            'invoiceDate' => $invoiceDate,
+            'amount' => $amount,
+            'terminalCode' => $terminalCode,
+            'merchantCode' => $merchantCode,
+            'timeStamp' => $timeStamp,
+            'action' => $action,
+            'sign' => $sign,
+        ];
+    }
+
 //	public function inquiryTransaction ()
 //	{
 //
diff --git a/src/Adapter/Payir.php b/src/Adapter/Payir.php
index 009af12..f4b67a9 100755
--- a/src/Adapter/Payir.php
+++ b/src/Adapter/Payir.php
@@ -89,6 +89,20 @@ protected function generateForm(): string
         ]);
     }
 
+    /**
+     * @return array
+     * @throws Exception
+     * @throws \Tartan\Larapay\Adapter\Exception
+     */
+    public function formParams(): array
+    {
+        $authority = $this->requestToken();
+
+        return  [
+            'endPoint'    => $this->endPointForm . $authority,
+        ];
+    }
+
     /**
      * @return bool
      * @throws Exception
diff --git a/src/Adapter/Saderat.php b/src/Adapter/Saderat.php
index 5d46bc7..c1ac0df 100755
--- a/src/Adapter/Saderat.php
+++ b/src/Adapter/Saderat.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace Tartan\Larapay\Adapter;
 
 use SoapClient;
@@ -12,238 +13,243 @@
  */
 class Saderat extends AdapterAbstract implements AdapterInterface
 {
-	protected $WSDL = 'https://mabna.shaparak.ir/PayloadTokenService?wsdl';
-	protected $endPoint = 'https://mabna.shaparak.ir';
-	protected $verifyWSDL = 'https://mabna.shaparak.ir/TransactionReference/TransactionReference?wsdl';
-
-	protected $testWSDL = 'http://mabna.shaparak.ir/PayloadTokenService?wsdl';
-	protected $testEndPoint = 'http://mabna.shaparak.ir';
-	protected $testVerifyWSDL = 'http://mabna.shaparak.ir/TransactionReference/TransactionReference?wsdl';
-
-	protected $reverseSupport = false;
-
-	public function init ()
-	{
-		if (!file_exists($this->public_key_path)) {
-			throw new Exception('larapay::larapay.saderat.errors.public_key_file_not_found');
-		}
-
-		if (!file_exists($this->private_key_path)) {
-			throw new Exception('larapay::larapay.saderat.errors.private_key_file_not_found');
-		}
-
-		$this->public_key  = trim(file_get_contents($this->public_key_path));
-		$this->private_key = trim(file_get_contents($this->private_key_path));
-
-		Log::debug('public key: ' . $this->public_key_path . ' --- ' . substr($this->public_key, 0, 64));
-		Log::debug('private key: ' . $this->private_key_path . ' --- ' . substr($this->private_key, 0, 64));
-	}
-
-	/**
-	 * @return array
-	 * @throws Exception
-	 */
-	protected function requestToken (): array
-	{
-		if ($this->getTransaction()->checkForRequestToken() == false) {
-			throw new Exception('larapay::larapay.could_not_request_payment');
-		}
-
-		$this->checkRequiredParameters([
-			'MID',
-			'TID',
-			'public_key',
-			'private_key',
-			'amount',
-			'order_id',
-			'redirect_url',
-		]);
-
-		$sendParams = [
-			"Token_param" => [
-				"AMOUNT"        => $this->encryptText($this->amount),
-				"CRN"           => $this->encryptText($this->order_id),
-				"MID"           => $this->encryptText($this->MID),
-				"REFERALADRESS" => $this->encryptText($this->redirect_url),
-				"SIGNATURE"     => $this->makeSignature('token'),
-				"TID"           => $this->encryptText($this->TID),
-				"Payload"       => $this->getTransaction()->description
-			]
-		];
-
-		try {
-			Log::debug('reservation call', $sendParams);
+    protected $WSDL = 'https://mabna.shaparak.ir/PayloadTokenService?wsdl';
+    protected $endPoint = 'https://mabna.shaparak.ir';
+    protected $verifyWSDL = 'https://mabna.shaparak.ir/TransactionReference/TransactionReference?wsdl';
+
+    protected $testWSDL = 'http://mabna.shaparak.ir/PayloadTokenService?wsdl';
+    protected $testEndPoint = 'http://mabna.shaparak.ir';
+    protected $testVerifyWSDL = 'http://mabna.shaparak.ir/TransactionReference/TransactionReference?wsdl';
+
+    protected $reverseSupport = false;
+
+    public function init()
+    {
+        if (!file_exists($this->public_key_path)) {
+            throw new Exception('larapay::larapay.saderat.errors.public_key_file_not_found');
+        }
+
+        if (!file_exists($this->private_key_path)) {
+            throw new Exception('larapay::larapay.saderat.errors.private_key_file_not_found');
+        }
+
+        $this->public_key = trim(file_get_contents($this->public_key_path));
+        $this->private_key = trim(file_get_contents($this->private_key_path));
+
+        Log::debug('public key: ' . $this->public_key_path . ' --- ' . substr($this->public_key, 0, 64));
+        Log::debug('private key: ' . $this->private_key_path . ' --- ' . substr($this->private_key, 0, 64));
+    }
+
+    /**
+     * @return array
+     * @throws Exception
+     */
+    protected function requestToken(): array
+    {
+        if ($this->getTransaction()->checkForRequestToken() == false) {
+            throw new Exception('larapay::larapay.could_not_request_payment');
+        }
+
+        $this->checkRequiredParameters([
+            'MID',
+            'TID',
+            'public_key',
+            'private_key',
+            'amount',
+            'order_id',
+            'redirect_url',
+        ]);
+
+        $sendParams = [
+            "Token_param" => [
+                "AMOUNT" => $this->encryptText($this->amount),
+                "CRN" => $this->encryptText($this->order_id),
+                "MID" => $this->encryptText($this->MID),
+                "REFERALADRESS" => $this->encryptText($this->redirect_url),
+                "SIGNATURE" => $this->makeSignature('token'),
+                "TID" => $this->encryptText($this->TID),
+                "Payload" => $this->getTransaction()->description
+            ]
+        ];
+
+        try {
+            Log::debug('reservation call', $sendParams);
 
             $soapClient = $this->getSoapClient();
 
-			$response = $soapClient->reservation($sendParams);
-
-			if (is_object($response)) {
-				$response = $this->obj2array($response);
-			}
-			Log::info('reservation response', $response);
-
-			if (isset($response['return'])) {
-
-				if ($response['return']['result'] != 0) {
-					throw new Exception($response["return"]["token"], $response['return']['result']);
-				}
-
-				if (isset($response['return']['signature'])) {
-
-					/**
-					 * Final signature is created
-					 */
-					$signature = base64_decode($response['return']['signature']);
-
-					/**
-					 * State whether signature is okay or not
-					 */
-					$keyResource  = openssl_get_publickey($this->public_key);
-					$verifyResult = openssl_verify($response["return"]["token"], $signature, $keyResource);
-
-					if ($verifyResult == 1) {
-						$this->getTransaction()->setReferenceId($response["return"]["token"]); // update transaction reference id
-						return $response["return"]["token"];
-					}
-					else {
-						throw new Exception('larapay::larapay.saderat.errors.invalid_verify_result');
-					}
-				}
-				else {
-					throw new Exception('larapay::larapay.invalid_response');
-				}
-			}
-			else {
-				throw new Exception('larapay::larapay.invalid_response');
-			}
-		} catch (SoapFault $e) {
-			throw new Exception('SoapFault: ' . $e->getMessage() . ' #' . $e->getCode(), $e->getCode());
-		}
-	}
+            $response = $soapClient->reservation($sendParams);
+
+            if (is_object($response)) {
+                $response = $this->obj2array($response);
+            }
+            Log::info('reservation response', $response);
+
+            if (isset($response['return'])) {
+
+                if ($response['return']['result'] != 0) {
+                    throw new Exception($response["return"]["token"], $response['return']['result']);
+                }
+
+                if (isset($response['return']['signature'])) {
+
+                    /**
+                     * Final signature is created
+                     */
+                    $signature = base64_decode($response['return']['signature']);
+
+                    /**
+                     * State whether signature is okay or not
+                     */
+                    $keyResource = openssl_get_publickey($this->public_key);
+                    $verifyResult = openssl_verify($response["return"]["token"], $signature, $keyResource);
+
+                    if ($verifyResult == 1) {
+                        $this->getTransaction()->setReferenceId($response["return"]["token"]); // update transaction reference id
+                        return $response["return"]["token"];
+                    } else {
+                        throw new Exception('larapay::larapay.saderat.errors.invalid_verify_result');
+                    }
+                } else {
+                    throw new Exception('larapay::larapay.invalid_response');
+                }
+            } else {
+                throw new Exception('larapay::larapay.invalid_response');
+            }
+        } catch (SoapFault $e) {
+            throw new Exception('SoapFault: ' . $e->getMessage() . ' #' . $e->getCode(), $e->getCode());
+        }
+    }
 
     /**
      * @return mixed
      * @throws Exception
      */
-	protected function generateForm ()
-	{
-		$token = $this->requestToken();
-
-		return view('larapay::saderat-form', [
-			'endPoint'    => $this->getEndPoint(),
-			'token'       => $token,
-			'submitLabel' => !empty($this->submit_label) ? $this->submit_label : trans("larapay::larapay.goto_gate"),
-			'autoSubmit'  => boolval($this->auto_submit)
-		]);
-	}
+    protected function generateForm()
+    {
+        $token = $this->requestToken();
+
+        return view('larapay::saderat-form', [
+            'endPoint' => $this->getEndPoint(),
+            'token' => $token,
+            'submitLabel' => !empty($this->submit_label) ? $this->submit_label : trans("larapay::larapay.goto_gate"),
+            'autoSubmit' => boolval($this->auto_submit)
+        ]);
+    }
+
+    /**
+     * @return array
+     * @throws Exception
+     */
+    public function formParams(): array
+    {
+        $token = $this->requestToken();
+
+        return  [
+            'endPoint' => $this->getEndPoint(),
+            'token' => $token,
+        ];
+    }
 
     /**
      * @return bool
      * @throws Exception
      * @throws \Tartan\Larapay\Adapter\Exception
      */
-	protected function verifyTransaction (): bool
-	{
-		if ($this->getTransaction()->checkForVerify() == false) {
-			throw new Exception('larapay::larapay.could_not_verify_payment');
-		}
-
-		$this->checkRequiredParameters([
-			'MID',
-			'TID',
-			'public_key',
-			'private_key',
-			'RESCODE',
-			'TRN',
-			'CRN',
-			'AMOUNT',
-			'SIGNATURE' //callback signature
-		]);
-
-		$sendParams = [
-			"SaleConf_req" => [
-				"MID"       => $this->encryptText($this->MID),
-				"CRN"       => $this->encryptText($this->CRN),
-				"TRN"       => $this->encryptText($this->TRN),
-				"SIGNATURE" => $this->makeSignature('verify'),
-			]
-		];
-
-		try {
-			Log::debug('sendConfirmation call', $sendParams);
-
-			$soapClient = new SoapClient($this->getVerifyWSDL(), $this->getSoapOptions());
-
-			$response = $soapClient->sendConfirmation($sendParams);
-
-			if (is_object($response)) {
-				$response = $this->obj2array($response);
-			}
-			Log::info('sendConfirmation response', $response);
-
-			if (isset($response['return'], $response['return']['RESCODE'])) {
-				if (($response['return']['RESCODE'] == '00') && ($response['return']['successful'] == true)) {
-					/**
-					 * Final signature is created
-					 */
-					$signature = base64_decode($response['return']['SIGNATURE']);
-
-					$data = $response["return"]["RESCODE"] .
-						$response["return"]["REPETETIVE"] .
-						$response["return"]["AMOUNT"] .
-						$response["return"]["DATE"] .
-						$response["return"]["TIME"] .
-						$response["return"]["TRN"] .
-						$response["return"]["STAN"];
-
-					/**
-					 * State whether signature is okay or not
-					 */
-					$keyResource  = openssl_get_publickey($this->public_key);
-					$verifyResult = openssl_verify($data, $signature, $keyResource);
-
-					if ($verifyResult == 1) {
-						// success
-						// update server description
-						if ($response['return']['description'] != "") {
-							$this->getTransaction()->setExtra('description', $response['return']['description'], false);
-						}
-						$this->getTransaction()->setExtra('stan', $response['return']['STAN'], false);
-						$this->getTransaction()->setExtra('repeat', $response['return']['REPETETIVE'], false);
-						//update server side transaction time
-						$this->getTransaction()->setExtra('server_paid_at', date("Y") . $response["return"]["DATE"] . ' ' . $response['return']['TIME']);
-						$this->getTransaction()->setReferenceId($response['return']['TRN'], $save = false) ;
-
-						$this->getTransaction()->setVerified(); // calls SAVE too
-
-						return true; // successful verify
-
-					}
-					else {
-						throw new Exception('larapay::larapay.saderat.errors.invalid_verify_result');
-					}
-				}
-				else if ($response['return']['RESCODE'] == 101) {
-					return true;
-				}
-				else if ($response['return']['RESCODE'] > 0) {
-					throw new Exception($response['return']['RESCODE']);
-				}
-				else if ($response['return']['RESCODE'] < 0) {
-					throw new Exception(900 + abs($response['return']['RESCODE']));
-				}
-				else {
-					throw new Exception('larapay::larapay.invalid_response');
-				}
-			}
-			else {
-				throw new Exception('larapay::larapay.invalid_response');
-			}
-		} catch (SoapFault $e) {
-			throw new Exception('SoapFault: ' . $e->getMessage() . ' #' . $e->getCode(), $e->getCode());
-		}
-	}
+    protected function verifyTransaction(): bool
+    {
+        if ($this->getTransaction()->checkForVerify() == false) {
+            throw new Exception('larapay::larapay.could_not_verify_payment');
+        }
+
+        $this->checkRequiredParameters([
+            'MID',
+            'TID',
+            'public_key',
+            'private_key',
+            'RESCODE',
+            'TRN',
+            'CRN',
+            'AMOUNT',
+            'SIGNATURE' //callback signature
+        ]);
+
+        $sendParams = [
+            "SaleConf_req" => [
+                "MID" => $this->encryptText($this->MID),
+                "CRN" => $this->encryptText($this->CRN),
+                "TRN" => $this->encryptText($this->TRN),
+                "SIGNATURE" => $this->makeSignature('verify'),
+            ]
+        ];
+
+        try {
+            Log::debug('sendConfirmation call', $sendParams);
+
+            $soapClient = new SoapClient($this->getVerifyWSDL(), $this->getSoapOptions());
+
+            $response = $soapClient->sendConfirmation($sendParams);
+
+            if (is_object($response)) {
+                $response = $this->obj2array($response);
+            }
+            Log::info('sendConfirmation response', $response);
+
+            if (isset($response['return'], $response['return']['RESCODE'])) {
+                if (($response['return']['RESCODE'] == '00') && ($response['return']['successful'] == true)) {
+                    /**
+                     * Final signature is created
+                     */
+                    $signature = base64_decode($response['return']['SIGNATURE']);
+
+                    $data = $response["return"]["RESCODE"] .
+                        $response["return"]["REPETETIVE"] .
+                        $response["return"]["AMOUNT"] .
+                        $response["return"]["DATE"] .
+                        $response["return"]["TIME"] .
+                        $response["return"]["TRN"] .
+                        $response["return"]["STAN"];
+
+                    /**
+                     * State whether signature is okay or not
+                     */
+                    $keyResource = openssl_get_publickey($this->public_key);
+                    $verifyResult = openssl_verify($data, $signature, $keyResource);
+
+                    if ($verifyResult == 1) {
+                        // success
+                        // update server description
+                        if ($response['return']['description'] != "") {
+                            $this->getTransaction()->setExtra('description', $response['return']['description'], false);
+                        }
+                        $this->getTransaction()->setExtra('stan', $response['return']['STAN'], false);
+                        $this->getTransaction()->setExtra('repeat', $response['return']['REPETETIVE'], false);
+                        //update server side transaction time
+                        $this->getTransaction()->setExtra('server_paid_at', date("Y") . $response["return"]["DATE"] . ' ' . $response['return']['TIME']);
+                        $this->getTransaction()->setReferenceId($response['return']['TRN'], $save = false);
+
+                        $this->getTransaction()->setVerified(); // calls SAVE too
+
+                        return true; // successful verify
+
+                    } else {
+                        throw new Exception('larapay::larapay.saderat.errors.invalid_verify_result');
+                    }
+                } else if ($response['return']['RESCODE'] == 101) {
+                    return true;
+                } else if ($response['return']['RESCODE'] > 0) {
+                    throw new Exception($response['return']['RESCODE']);
+                } else if ($response['return']['RESCODE'] < 0) {
+                    throw new Exception(900 + abs($response['return']['RESCODE']));
+                } else {
+                    throw new Exception('larapay::larapay.invalid_response');
+                }
+            } else {
+                throw new Exception('larapay::larapay.invalid_response');
+            }
+        } catch (SoapFault $e) {
+            throw new Exception('SoapFault: ' . $e->getMessage() . ' #' . $e->getCode(), $e->getCode());
+        }
+    }
 
     /**
      * @param $text
@@ -251,20 +257,20 @@ protected function verifyTransaction (): bool
      * @return string
      * @throws Exception
      */
-	private function encryptText ($text): string
-	{
-		/**
-		 * get key resource to start based on public key
-		 */
-		$keyResource = openssl_get_publickey($this->public_key);
-		if (!$keyResource) {
-			throw new Exception('larapay::larapay.could_not_get_public_key');
-		}
+    private function encryptText($text): string
+    {
+        /**
+         * get key resource to start based on public key
+         */
+        $keyResource = openssl_get_publickey($this->public_key);
+        if (!$keyResource) {
+            throw new Exception('larapay::larapay.could_not_get_public_key');
+        }
 
-		openssl_public_encrypt($text, $encryptedText, $keyResource);
+        openssl_public_encrypt($text, $encryptedText, $keyResource);
 
-		return base64_encode($encryptedText);
-	}
+        return base64_encode($encryptedText);
+    }
 
     /**
      * @param $action
@@ -272,27 +278,27 @@ private function encryptText ($text): string
      * @return string
      * @throws Exception
      */
-	private function makeSignature ($action): string
-	{
-		/**
-		 * Make a signature temporary
-		 * Note: each paid has it's own specific signature
-		 */
-		$source = $this->getSignSource($action);
+    private function makeSignature($action): string
+    {
+        /**
+         * Make a signature temporary
+         * Note: each paid has it's own specific signature
+         */
+        $source = $this->getSignSource($action);
 
-		/**
-		 * Sign data and make final signature
-		 */
-		$signature = '';
+        /**
+         * Sign data and make final signature
+         */
+        $signature = '';
 
-		$privateKey = openssl_pkey_get_private($this->private_key);
+        $privateKey = openssl_pkey_get_private($this->private_key);
 
-		if (!openssl_sign($source, $signature, $privateKey, OPENSSL_ALGO_SHA1)) {
-			throw new Exception('larapay::larapay.saderat.errors.making_openssl_sign_error');
-		}
+        if (!openssl_sign($source, $signature, $privateKey, OPENSSL_ALGO_SHA1)) {
+            throw new Exception('larapay::larapay.saderat.errors.making_openssl_sign_error');
+        }
 
-		return base64_encode($signature);
-	}
+        return base64_encode($signature);
+    }
 
     /**
      * @param $action
@@ -300,57 +306,59 @@ private function makeSignature ($action): string
      * @return string
      * @throws Exception
      */
-	public function getSignSource (string $action): string
-	{
-		switch (strtoupper($action)) {
-			case 'TOKEN' : {
-				return $this->amount . $this->order_id . $this->MID . $this->redirect_url . $this->TID;
-				break;
-			}
-
-			case 'VERIFY' : {
-				return $this->MID . $this->TRN . $this->CRN;
-				break;
-			}
-
-			default : {
-				throw new Exception('undefined sign source');
-				break;
-			}
-		}
-	}
-
-	/**
-	 * @return string
-	 */
-	private function getVerifyWSDL (): string
-	{
-		if (config('larapay.mode') == 'production') {
-			return $this->verifyWSDL;
-		}
-		else {
-			return $this->testVerifyWSDL;
-		}
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function canContinueWithCallbackParameters (): bool
-	{
-		if ($this->RESCODE == "00") {
-			return true;
-		}
-
-		return false;
-	}
-
-	public function getGatewayReferenceId (): string
-	{
-		$this->checkRequiredParameters([
-			'TRN',
-		]);
-
-		return $this->TRN;
-	}
+    public function getSignSource(string $action): string
+    {
+        switch (strtoupper($action)) {
+            case 'TOKEN' :
+            {
+                return $this->amount . $this->order_id . $this->MID . $this->redirect_url . $this->TID;
+                break;
+            }
+
+            case 'VERIFY' :
+            {
+                return $this->MID . $this->TRN . $this->CRN;
+                break;
+            }
+
+            default :
+            {
+                throw new Exception('undefined sign source');
+                break;
+            }
+        }
+    }
+
+    /**
+     * @return string
+     */
+    private function getVerifyWSDL(): string
+    {
+        if (config('larapay.mode') == 'production') {
+            return $this->verifyWSDL;
+        } else {
+            return $this->testVerifyWSDL;
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    public function canContinueWithCallbackParameters(): bool
+    {
+        if ($this->RESCODE == "00") {
+            return true;
+        }
+
+        return false;
+    }
+
+    public function getGatewayReferenceId(): string
+    {
+        $this->checkRequiredParameters([
+            'TRN',
+        ]);
+
+        return $this->TRN;
+    }
 }
diff --git a/src/Adapter/Saman.php b/src/Adapter/Saman.php
index 795c0d1..7a52fd8 100755
--- a/src/Adapter/Saman.php
+++ b/src/Adapter/Saman.php
@@ -85,6 +85,15 @@ public function generateForm(): string
         }
     }
 
+    public function formParams(): array
+    {
+        if ($this->with_token) {
+            return $this->formParamsWithToken();
+        } else {
+            return $this->formParamsWithoutToken(); // default
+        }
+    }
+
     protected function generateFormWithoutToken(): string
     {
         Log::debug(__METHOD__, $this->getParameters());
@@ -107,6 +116,26 @@ protected function generateFormWithoutToken(): string
         ]);
     }
 
+    protected function formParamsWithoutToken(): array
+    {
+        Log::debug(__METHOD__, $this->getParameters());
+
+        $this->checkRequiredParameters([
+            'merchant_id',
+            'amount',
+            'order_id',
+            'redirect_url',
+        ]);
+
+        return  [
+            'endPoint'    => $this->getEndPoint(),
+            'amount'      => intval($this->amount),
+            'merchantId'  => $this->merchant_id,
+            'orderId'     => $this->order_id,
+            'redirectUrl' => $this->redirect_url,
+        ];
+    }
+
     protected function generateFormWithToken(): string
     {
         Log::debug(__METHOD__, $this->getParameters());
@@ -133,6 +162,30 @@ protected function generateFormWithToken(): string
         ]);
     }
 
+    protected function formParamsWithToken(): array
+    {
+        Log::debug(__METHOD__, $this->getParameters());
+        $this->checkRequiredParameters([
+            'merchant_id',
+            'order_id',
+            'amount',
+            'redirect_url',
+        ]);
+
+        $token = $this->requestToken();
+
+        Log::info(__METHOD__, ['fetchedToken' => $token]);
+
+        return [
+            'endPoint'    => $this->getEndPoint(),
+            'amount'      => '',// just because of view
+            'merchantId'  => '', // just because of view
+            'orderId'     => '', // just because of view
+            'token'       => $token,
+            'redirectUrl' => $this->redirect_url,
+        ];
+    }
+
     /**
      * @return bool
      * @throws Exception
diff --git a/src/Adapter/Zarinpal.php b/src/Adapter/Zarinpal.php
index 5460fe3..162a382 100755
--- a/src/Adapter/Zarinpal.php
+++ b/src/Adapter/Zarinpal.php
@@ -94,6 +94,20 @@ protected function generateForm(): string
         ]);
     }
 
+    /**
+     * @return array
+     * @throws Exception
+     * @throws \Tartan\Larapay\Adapter\Exception
+     */
+    public function formParams(): array
+    {
+        $authority = $this->requestToken();
+
+        return  [
+            'endPoint'    => strtr($this->getEndPoint(), ['{authority}' => $authority]),
+        ];
+    }
+
     /**
      * @return bool
      * @throws Exception
diff --git a/src/Models/LarapayTransaction.php b/src/Models/LarapayTransaction.php
index efcc339..94a709a 100644
--- a/src/Models/LarapayTransaction.php
+++ b/src/Models/LarapayTransaction.php
@@ -140,9 +140,41 @@ public function generateForm($autoSubmit = false, $callback = null, $adapterConf
         }
     }
 
+    public function formParams($callback = null, $adapterConfig = []): array
+    {
+
+        $paymentGatewayHandler = $this->gatewayHandler($adapterConfig);
+
+        $callbackRoute = route(config("larapay.payment_callback"), [
+            'gateway' => $this->gate_name,
+            'transaction-id' => $this->id,
+        ]);
+
+        if ($callback != null) {
+            $callbackRoute = route($callback, [
+                'gateway' => $this->gate_name,
+                'transaction-id' => $this->id,
+            ]);
+        }
+
+        $paymentParams = [
+            'order_id' => $this->getBankOrderId(),
+            'redirect_url' => $callbackRoute,
+            'amount' => $this->amount,
+            'submit_label' => trans('larapay::larapay.goto_gate'),
+        ];
+
+        try {
+            return $paymentGatewayHandler->formParams($paymentParams);
+        } catch (Exception $e) {
+            Log::emergency($this->gate_name . ' #' . $e->getCode() . '-' . $e->getMessage());
+            return false;
+        }
+    }
+
     public function gatewayHandler($adapterConfig = [])
     {
-        return Larapay::make($this->gate_name, $this, json_decode($adapterConfig, true));
+        return Larapay::make($this->gate_name, $this, $adapterConfig);
     }
 
 }
\ No newline at end of file
diff --git a/src/Payable.php b/src/Payable.php
index 5eb4653..6588d69 100644
--- a/src/Payable.php
+++ b/src/Payable.php
@@ -68,10 +68,7 @@ public function createTransaction(
         $transactionData['payment_method'] = 'ONLINE';
         $transactionData['additional_data'] = json_encode($additionalData, JSON_UNESCAPED_UNICODE);
 
-        $transaction = $this->transactions()->create($transactionData);
-
-        return $transaction;
-
+        return  $this->transactions()->create($transactionData);
     }
 
     public function getAmount()