curl --location --request PUT 'https://rest.clicksend.com/v3/subaccounts/2837/regen-api-key'
{
"data": {
"api_key": "E72D09F6-AC80-0A5C-F7F0-1A244A377A5C"
},
"http_code": 200,
"response_code": "SUCCESS",
"response_msg": "Your API Key has been regenerated."
}