The ClientID and ClientSecret will be in the response of API.

Sample JWT Request Encoded:

eyJraWQiOiJid0syY0Nkd0oyeEpKZzB6X0dGZG9GQ19qX28iLCJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJncmFudF90eXBlcyI6WyJhdXRob3JpemF0aW9uX2NvZGUiLCJyZWZyZXNoX3Rva2VuIiwiY2xpZW50X2NyZWRlbnRpYWxzIl0sImFwcGxpY2F0aW9uX3R5cGUiOiJ3ZWIiLCJpc3MiOiJHOEFheFl2eVhRSEs3SmY1VTFOTkd2IiwicmVkaXJlY3RfdXJpcyI6IltodHRwczovL3RwcGNsaWVudGFwcC1zaXQteWJzLmhlcm9rdWFwcC5jb21dIiwidG9rZW5fZW5kcG9pbnRfYXV0aF9tZXRob2QiOiJjbGllbnRfc2VjcmV0X2Jhc2ljIiwiYXVkIjoiaHR0cHM6Ly9vYi15YnMuYXBpLWludGcueWJzLmNvLnVrIiwic29mdHdhcmVfaWQiOiJHOEFheFl2eVhRSEs3SmY1VTFOTkd2Iiwic29mdHdhcmVfc3RhdGVtZW50IjoiZXlKaGJHY2lPaUpTVXpJMU5pSXNJbXRwWkNJNklsRk9OM3AxVmxwaFRFdG5aVGRqUVY5TFZqUlNNVTk1Y1hkNVl5SXNJblI1Y0NJNklrcFhWQ0o5LmV5SnBjM01pT2lKUGNHVnVRbUZ1YTJsdVp5Qk1kR1FpTENKcFlYUWlPakUxTkRnek16UXlNVE13T0RRc0ltcDBhU0k2SWpNd056SXdPRGxpTlRoaU16UmhaRGtpTENKemIyWjBkMkZ5WlY5bGJuWnBjbTl1YldWdWRDSTZJbkJ5WkhSemRDSXNJbk52Wm5SM1lYSmxYMjF2WkdVaU9pSlVaWE4wSWl3aWMyOW1kSGRoY21WZmFXUWlPaUpIT0VGaGVGbDJlVmhSU0VzM1NtWTFWVEZPVGtkMklpd2ljMjltZEhkaGNtVmZZMnhwWlc1MFgybGtJam9pUnpoQllYaFpkbmxZVVVoTE4wcG1OVlV4VGs1SGRpSXNJbk52Wm5SM1lYSmxYMk5zYVdWdWRGOXVZVzFsSWpvaVFVbFRVQzFRU1ZOUUxUSXRXVUpUSWl3aWMyOW1kSGRoY21WZlkyeHBaVzUwWDJSbGMyTnlhWEIwYVc5dUlqb2lWWE5sSUhSb2FYTWdZWEJ3SUhkcGRHZ2dRVWxUVUNCaGJtUWdVRWxUVUNCelkyOXdaU0JoYm1RZ1luSmhibVFnWVhNZ1dVSlRJR1p2Y2lCMFpYTjBhVzVuSUdsdUlGTkpWQzRpTENKemIyWjBkMkZ5WlY5MlpYSnphVzl1SWpveExqQXNJbk52Wm5SM1lYSmxYMk5zYVdWdWRGOTFjbWtpT2lKb2RIUndjem92TDI5aUxYbGljeTVoY0drdWVXSnpMbU52TG5Wcklpd2ljMjltZEhkaGNtVmZjbVZrYVhKbFkzUmZkWEpwY3lJNld5Sm9kSFJ3Y3pvdkwzUndjR05zYVdWdWRHRndjQzF6YVhRdGVXSnpMbWhsY205cmRXRndjQzVqYjIwaVhTd2ljMjltZEhkaGNtVmZjbTlzWlhNaU9sc2lRVWxUVUNJc0lsQkpVMUFpWFN3aWIzSm5ZVzVwYzJGMGFXOXVYMk52YlhCbGRHVnVkRjloZFhSb2IzSnBkSGxmWTJ4aGFXMXpJanA3SW1GMWRHaHZjbWwwZVY5cFpDSTZJa1pEUVVkQ1VpSXNJbkpsWjJsemRISmhkR2x2Ymw5cFpDSTZJakV3TmpBNE5TSXNJbk4wWVhSMWN5STZJa0ZqZEdsMlpTSXNJbUYxZEdodmNtbHpZWFJwYjI1eklqcGJleUp0WlcxaVpYSmZjM1JoZEdVaU9pSkhRaUlzSW5KdmJHVnpJanBiSWtGSlUxQWlMQ0pRU1ZOUUlsMTlMSHNpYldWdFltVnlYM04wWVhSbElqb2lTVVVpTENKeWIyeGxjeUk2V3lKQlNWTlFJaXdpVUVsVFVDSmRmU3g3SW0xbGJXSmxjbDl6ZEdGMFpTSTZJazVNSWl3aWNtOXNaWE1pT2xzaVFVbFRVQ0lzSWxCSlUxQWlYWDFkZlN3aWMyOW1kSGRoY21WZmJHOW5iMTkxY21raU9pSm9kSFJ3Y3pvdkwyeHZaMjh1YjNCbGJtSmhibXRwYm1jdWIzSm5MblZySWl3aWIzSm5YM04wWVhSMWN5STZJa0ZqZEdsMlpTSXNJbTl5WjE5cFpDSTZJakF3TVRVNE1EQXdNREV3TkRGU1NVRkJXU0lzSW05eVoxOXVZVzFsSWpvaVdXOXlhM05vYVhKbElFSjFhV3hrYVc1bklGTnZZMmxsZEhraUxDSnZjbWRmWTI5dWRHRmpkSE1pT2x0N0ltNWhiV1VpT2lKQ2RYTnBibVZ6Y3lJc0ltVnRZV2xzSWpvaVpHVjJiblZzYkVCNVluTXVZMjh1ZFdzaUxDSndhRzl1WlNJNklqQXhNamMwSURJeU1pQllXRmdpTENKMGVYQmxJam9pUW5WemFXNWxjM01pZlN4N0ltNWhiV1VpT2lKVVpXTm9ibWxqWVd3aUxDSmxiV0ZwYkNJNkltUmxkbTUxYkd4QWVXSnpMbU52TG5Wcklpd2ljR2h2Ym1VaU9pSXdNVEkzTkNBeU1qSWdXRmhZSWl3aWRIbHdaU0k2SWxSbFkyaHVhV05oYkNKOVhTd2liM0puWDJwM2EzTmZaVzVrY0c5cGJuUWlPaUpvZEhSd2N6b3ZMMnRsZVhOMGIzSmxMbTl3Wlc1aVlXNXJhVzVuZEdWemRDNXZjbWN1ZFdzdk1EQXhOVGd3TURBd01UQTBNVkpKUVVGWkx6QXdNVFU0TURBd01ERXdOREZTU1VGQldTNXFkMnR6SWl3aWIzSm5YMnAzYTNOZmNtVjJiMnRsWkY5bGJtUndiMmx1ZENJNkltaDBkSEJ6T2k4dmEyVjVjM1J2Y21VdWIzQmxibUpoYm10cGJtZDBaWE4wTG05eVp5NTFheTh3TURFMU9EQXdNREF4TURReFVrbEJRVmt2Y21WMmIydGxaQzh3TURFMU9EQXdNREF4TURReFVrbEJRVmt1YW5kcmN5SXNJbk52Wm5SM1lYSmxYMnAzYTNOZlpXNWtjRzlwYm5RaU9pSm9kSFJ3Y3pvdkwydGxlWE4wYjNKbExtOXdaVzVpWVc1cmFXNW5kR1Z6ZEM1dmNtY3VkV3N2TURBeE5UZ3dNREF3TVRBME1WSkpRVUZaTDBjNFFXRjRXWFo1V0ZGSVN6ZEtaalZWTVU1T1IzWXVhbmRyY3lJc0luTnZablIzWVhKbFgycDNhM05mY21WMmIydGxaRjlsYm1Sd2IybHVkQ0k2SW1oMGRIQnpPaTh2YTJWNWMzUnZjbVV1YjNCbGJtSmhibXRwYm1kMFpYTjBMbTl5Wnk1MWF5OHdNREUxT0RBd01EQXhNRFF4VWtsQlFWa3ZjbVYyYjJ0bFpDOUhPRUZoZUZsMmVWaFJTRXMzU21ZMVZURk9Ua2QyTG1wM2EzTWlMQ0p6YjJaMGQyRnlaVjl3YjJ4cFkzbGZkWEpwSWpvaWFIUjBjSE02THk5a1pYWmxiRzl3WlhKekxubGljeTVqYnk1MWF5OXNaV2RoYkNJc0luTnZablIzWVhKbFgzUnZjMTkxY21raU9pSm9kSFJ3Y3pvdkwyUmxkbVZzYjNCbGNuTXVlV0p6TG1OdkxuVnJMMnhsWjJGc0lpd2ljMjltZEhkaGNtVmZiMjVmWW1Wb1lXeG1YMjltWDI5eVp5STZiblZzYkgwLkRhMGVRMzJhRXdtdzBfOXhSYlNuTkpVX1B4ZFV2NkRTNTJTTzNDNVRPZU1MNEFiRG9DOGFfQjVjM0ZfSjZNd3hJcXR5MWRWUzc2YkJ1OTdvd3JjT0VSR0hiUVdLMTB2aEU4S19UcWplcU02SzNCOV9XVWV5R0ZjNVVRcmgxWHNLaVpGR3JxTXljaHNCS2hUclJ5TnB2V3VTQ05lNUhLUk53djFiNlY5a194Y1ktX25vV2pNbUVXMGZNam1uV2ZTbG4yYTdLU1U3Smk1bTZXbFpTbC1oQXhlZ2stOEdQZzBMcmxjU3BqYWR4dFVuMkhVbHU4LXVJTzF1TmFVNV84Mi1RSHBXRmJHeWg3Y29WSi1EUUxPTnMtZTNlcElCYmIyT0g3MFMyRkJjM3FuLXdfdWt6V0d5MU5CQmlqMy0yM1pqWVpUVGowb283dHpwYUhNNVhwWjZKUSIsInNjb3BlIjoib3BlbmlkIGFjY291bnRzIHBheW1lbnRzIiwicmVxdWVzdF9vYmplY3Rfc2lnbmluZ19hbGciOiJQUzI1NiIsImV4cCI6MTU1NzAzNjEzOCwiaWF0IjoxNTU2MTcyMTM4LCJqdGkiOiJmZDgyMDNiMy0zODkwLTQ5MjAtYWIzMy05OTZiMDIwZDRiNzUiLCJyZXNwb25zZV90eXBlcyI6WyJjb2RlIl0sImlkX3Rva2VuX3NpZ25lZF9yZXNwb25zZV9hbGciOiJQUzI1NiJ9.fUHXruI1EjN10HKPjbpB8Ita6LlGnc8hSYweOquxAb7VRJLV8OvidOPDDMQTRnUIhYMm-y51HR9Vx1BAAKpv0UlqlJbePRl8m7LtbeFXx91VBd0UGO-pVpzc9Sr7TwxEWxzKf_RS4cfcZv7O-HUx1JFFgUk2p1shOaW9Rsw7OGTND1ItsPExG_H9kyeNhU15tcy_DIu78eNTmERoaE2f_9fPps375w0eyeHuAlI0yL3A2nSe8tvIn3dNhsClJGgksTvl6D3RQvx8jYyb-wlLOFTR6CnTk9IZzG7giSrOW_TkwfuAXSFIYSMQtmwnjvX4kpRee5Y8TIzvD2DC1GVm6w

Sample JWT Request Decoded:

{
  "grant_types": [
    "authorization_code",
    "refresh_token",
    "client_credentials"
  ],
  "application_type": "web",
  "iss": "G8AaxYvyXQHK7Jf5U1NNGv",
  "redirect_uris": "[https://tppclientapp-sit-ybs.herokuapp.com]",
  "token_endpoint_auth_method": "client_secret_basic",
  "aud": "https://ob-ybs.api-intg.ybs.co.uk",
  "software_id": "G8AaxYvyXQHK7Jf5U1NNGv",
  "software_statement": "eyJhbGciOiJSUzI1NiIsImtpZCI6IlFON3p1VlphTEtnZTdjQV9LVjRSMU95cXd5YyIsInR5cCI6IkpXVCJ9.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.Da0eQ32aEwmw0_9xRbSnNJU_PxdUv6DS52SO3C5TOeML4AbDoC8a_B5c3F_J6MwxIqty1dVS76bBu97owrcOERGHbQWK10vhE8K_TqjeqM6K3B9_WUeyGFc5UQrh1XsKiZFGrqMychsBKhTrRyNpvWuSCNe5HKRNwv1b6V9k_xcY-_noWjMmEW0fMjmnWfSln2a7KSU7Ji5m6WlZSl-hAxegk-8GPg0LrlcSpjadxtUn2HUlu8-uIO1uNaU5_82-QHpWFbGyh7coVJ-DQLONs-e3epIBbb2OH70S2FBc3qn-w_ukzWGy1NBBij3-23ZjYZTTj0oo7tzpaHM5XpZ6JQ",
  "scope": "openid accounts payments",
  "request_object_signing_alg": "PS256",
  "exp": 1557036138,
  "iat": 1556172138,
  "jti": "fd8203b3-3890-4920-ab33-996b020d4b75",
  "response_types": [
    "code"
  ],
  "id_token_signed_response_alg": "PS256"
}