curl --request GET \
  --url https://api.portable.io/v2/flows \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "0": {
      "id": 689422,
      "displayName": "My Freshsales to Snowflake Flow",
      "source": 80562,
      "destination": 689421,
      "frequency": "24h"
    },
    "1": {
      "id": 689422,
      "displayName": "My Google Calendar to BigQuery Flow",
      "source": 80190,
      "destination": 689422,
      "frequency": "manual"
    }
  }
}