curl --request GET \
  --url https://sandbox.deck.co/api/v1/connections \
  --header 'x-deck-client-id: <api-key>' \
  --header 'x-deck-secret: <api-key>'

{
  "data": [
    {
      "connection_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "status": "Connecting",
      "user": {
        "external_id": "<string>",
        "username": "<string>"
      },
      "source_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "source_name": "<string>",
      "source_logo_url": "<string>",
      "created_at": 123,
      "updated_at": 123
    }
  ],
  "prev_cursor": "<string>",
  "next_cursor": "<string>"
}