# ChangeLog All notable changes are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles. ## [3.1.1] - 2020-09-28 ### Changed * Changed PHP version constraint in `composer.json` from `^7.3 || ^8.0` to `>=7.3` ## [3.1.0] - 2020-08-06 ### Changed * [#14](https://github.com/sebastianbergmann/php-invoker/pull/14): Clear alarm in `finally` block ## [3.0.2] - 2020-06-26 ### Added * This component is now supported on PHP 8 ## [3.0.1] - 2020-06-15 ### Changed * Tests etc. are now ignored for archive exports ## [3.0.0] - 2020-02-07 ### Added * Added `canInvokeWithTimeout()` method to check requirements for the functionality provided by this component to work ### Changed * Moved `"ext-pcntl": "*"` requirement from `require` to `suggest` so that this component can be installed even if `ext/pcntl` is not available * `invoke()` now raises an exception when the requirements for the functionality provided by this component to work are not met ### Removed * This component is no longer supported on PHP 7.1 and PHP 7.2 [3.1.1]: https://github.com/sebastianbergmann/php-invoker/compare/3.1.0...3.1.1 [3.1.0]: https://github.com/sebastianbergmann/php-invoker/compare/3.0.2...3.1.0 [3.0.2]: https://github.com/sebastianbergmann/php-invoker/compare/3.0.1...3.0.2 [3.0.1]: https://github.com/sebastianbergmann/php-invoker/compare/3.0.0...3.0.1 [3.0.0]: https://github.com/sebastianbergmann/php-invoker/compare/2.0.0...3.0.0

Get Access Token

Get access token to initiates payment transaction.

Endpoint: POST generate-token

Parameter	Type	Comments
client_id	string	Enter merchant API client/primary key
secret_id	string	Enter merchant API secret key
env	string	Enter merchant API environment
merchant_id	string	Enter merchant API merchant id

Just request to that endpoint with all parameter listed below:

                    
                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}