Generating access token via https://api.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials using 5Qtt21s8iYw6TPLFXbLaNmKEOOBk9csN:3n2s3OZeFBfTvqyW<br><br>g0uIX3imMcojVUXjFNSxi5UX6sil<br>{
                    "requestId":"4d5e-4528-8014-f7b6fd4612c39381",
                    "errorCode": "401.003.01",
                    "errorMessage": "Error Occurred - Invalid Access Token - "
                }