curl --request GET \
  --url https://api.lava.so/v1/customers/{customer_id} \
  --header 'Authorization: Bearer <token>'

{
  "customer_id": "con_test_01KKM3W4FSAMD0H1YHE399HR5M",
  "contact": {
    "phone": "+14155552671",
    "email": "user@example.com",
    "first_name": "Jane",
    "last_name": "Smith"
  },
  "subscription": {
    "subscription_id": "<string>",
    "plan_id": "<string>",
    "name": "<string>",
    "status": "active"
  },
  "created_at": "2023-05-15T08:35:42Z"
}