Request EndPoint -for which I have used Data from Excel and a Data Transfer Step:
POST https://*******.com/Location HTTP/1.1
Accept-Encoding: gzip,deflate
Content-Type: application/json
Authorization: Bearer Zly7y-cX0kORUI_vPWcCa8Eor-EXbz1NgC2kACgpKsqA3SAncI0C44aFRyUyi8eJxYYVlI1i_xvanNbEdaQ5wyqqaPYxxLVqnnSnOIYRfo3PGB6nIwWjMESXZPywHOpp23UraWTGtvOHIVnoYjazwe61RUy2YumhZCFIFdZRoZFr4XmOWH6nwnpSWqtREePJbz_RN4B0h51e1MN4oh23Q2EyhGN2DzDh7RYvb5GyIrNHV3OXjERPC36okwfFAAtxF4XPL2nz_M2xjVunzt-ml2Nj_avqRbkx0aoPEj-oYQ5RvGZ9zJ-4WzAuqIvCY5glGK8wMEzGOkEISu6Q_1tpiXHY4EImhan7fDM9onTp4js0f5qyHowLF-olPCZEKUbE0Yvzo2kR-uHhWM3Ree3O2IplQ-_-PYLtq3o4DhFOyM_EtOvraxvTsfMhaXD0FSWu39KroLqMZ4ESbomddBGxHPe94mOovqf3JqUAFAY3EIgnMY93E1Cqof8I3lx1NekuhA5hDXl25NQMYXzE7N038xizh6mRRXEbSHW6CVQNc-QLWblrYTfDm-zl5cj1dDEji5dq5RKepvYdLBIYaVzHnI1Yt7-YUe1gRZ_-x1mZPlv5RS6nmHmygZ13_H-iuOOAV9e17xXSHetuO758ge8RWLhttT-TgbRG0XG0hw8dnGJc4t23Iww5d_E_bfrZq3Xnml8m7nX-htPt5M2cJzLTluIpwy-kFFEHw4kamvjOmUHymTJr5pnKKAaBe3K4wq6Qq6l3d-iVqmKE61aXzBMTgp4mShMo5xXFdA_eTvQhNR6PbOtZClKRZc_uwM3GX7AqrsdzMNCqsAXI3x3VcFXFWc46y6DVOmFVBFp_fOjt3_FcZuTNKvODTPkZX9c2V-4zmJ7r_1VDeTNmVWQA9UJPLw
Accept: application/json
Content-Length: 401
Host: ********.com
Connection: Keep-Alive
User-Agent: Apache-HttpClient/4.5.2 (Java/15)

{
   "Code" : "2",
   "Description" : "Test App1",
   "PhoneNumber" : "+447951908870",
   "ActiveFrom" : null,
   "ActiveTo" : null,
   "AnnounceTransferToCaller" : "false",
   "BeepBeforeConnecting" : "false",
   "CallAnswerAction" : "3",
   "SecondsBeforeDivert" : "30",
   "AnnounceIntendedRecipient" : "false",
   "AnnounceIntendedRecipientStatus" : "false",
   "IgnorePin" : "true"
}

Response back from Server:
HTTP/1.1 400 Bad Request
Cache-Control: no-cache, no-store, must-revalidate
Pragma: no-cache
Content-Type: application/json; charset=utf-8
Expires: -1
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000
Content-Security-Policy: default-src 'none';
Referrer-Policy: same-origin
Access-Control-Expose-Headers: Date
Expect-CT: max-age=0
Permissions-Policy: geolocation=();publickey-credentials-get=();autoplay=();accelerometer=();document-domain=();encrypted-media=();clipboard-read=(self);camera=();payment=();fullscreen=();autoplay=();clipboard-write=(self);microphone=();
Date: Tue, 09 Feb 2021 14:51:25 GMT
Content-Length: 90

{"message":"The request is invalid.","modelState":{"location":["An error has occurred."]}}