curl --request POST \
  --url https://api.nitrosend.com/v1/my/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "first_name": "<string>",
  "last_name": "<string>",
  "email": "jsmith@example.com",
  "phone": "<string>",
  "source": "<string>",
  "country_code": "<string>",
  "list_ids": [
    123
  ],
  "data": {},
  "channels_attributes": [
    {
      "kind": "email",
      "value": "<string>",
      "subscribed": true
    }
  ]
}
'

{
  "id": 123,
  "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "first_name": "<string>",
  "last_name": "<string>",
  "source": "<string>",
  "country_code": "<string>",
  "data": {},
  "subscribed_phone": true,
  "subscribed_email": true,
  "verification_status": "verified",
  "enrichment_status": "enriched",
  "list_ids": [
    123
  ],
  "last_interacted_at": "2023-11-07T05:31:56Z",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "channels": [
    {
      "id": 123,
      "contact_id": 123,
      "kind": "email",
      "value": "<string>",
      "subscribed": true,
      "verified": true,
      "opt_in_at": "2023-11-07T05:31:56Z",
      "opt_out_at": "2023-11-07T05:31:56Z",
      "sent_count": 123,
      "fail_count": 123,
      "data": {},
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}