curl --request POST \
--url https://your-instance.example.com/api/calls/providers/config \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"provider": "<string>",
"phoneNumber": "<string>",
"twilioAccountSid": "<string>",
"twilioAuthToken": "<string>",
"twilioApiKeySid": "<string>",
"twilioApiKeySecret": "<string>",
"twilioTwimlAppSid": "<string>",
"sinchApplicationKey": "<string>",
"sinchApplicationSecret": "<string>"
}
'