curl --request GET \
  --url https://api.prequel.co/import/sources \
  --header 'X-API-KEY: <api-key>'

{
  "status": "<string>",
  "data": {
    "sources": [
      {
        "vendor": "<unknown>",
        "postgres": {
          "is_valid": true,
          "host": "<string>",
          "port": 123,
          "database": "<string>",
          "username": "<string>",
          "auth_method": "<string>",
          "use_ssh_tunnel": true,
          "disable_ssl": true,
          "connection_timeout_in_seconds": 123,
          "ssh_tunnel": {
            "ssh_tunnel_host": "<string>",
            "ssh_tunnel_port": 123,
            "ssh_tunnel_username": "<string>",
            "ssh_public_key": "<string>"
          }
        },
        "id": "<string>",
        "provider_id": "<string>",
        "name": "<string>",
        "created_at": "<string>",
        "updated_at": "<string>"
      }
    ]
  },
  "message": "<string>",
  "has_next": true,
  "next_url": "<string>"
}