How I can Push customer's information from Nav to external website.

Hi Experts,
Please I need your help.
I want to send the customer’s information from Dynamics Nav 2016 to an external website. This should be happened in case of creation of new customer in Nav or if any modification in customer’s information happend this should be operate in website.
The website owner send to me this:
Methode (JSON):
setClient:
request
{
“EntId”: 5,
“EntKey”: “TEST3D”,
“DMSId”: 3,
“CliDMSId”: “355177”,
“CliTitle”: “”,
“CliFamName”: " BRITEL",
“CliFirName”: “Marie”,
“CliAddr1”: “5, ALLEE DE L ABBE GREGOIRE”,
“CliAddr2”: “”,
“CliPC”: “75000”,
“CliCity”: “PARIS”,
“CliHomePhone”: “”,
“CliCellPhone”: “0606979706”,
“CliWorkPhone”: “”,
“CliFax”: “”,
“CliEmail”: “marie@xxx.fr”,
“CliAccountType”: “1”,
“CliState”: “”,
“CliCountry”: “”,
“CliTags”: “”,
“CliDoNotText”: “”,
“CliDoNotEmail”: “”,
“CliDoNotPhone”: “”,
"CliCashPaymen ": “”,
“CliLocked”: “”,
“CliLanguage”: “”,
“CliActive”: 1,
“ProviderName”: “3”,
“ProviderCliId”: “”,
“CliId”: -1
}

Response
{
“ErrorMessage”: “”,
“ResultCode”: 0,
“ResultID”: 158246
}

Please, I want to know big steps to follow in order to make this possible.

Thank you