curl --request GET \
  --url https://api.example.com/v1/projects/{projectId}/edges

{
  "data": [
    {
      "id": "<string>",
      "sourceNodeId": "<string>",
      "targetNodeId": "<string>",
      "sourceCardId": "<string>",
      "targetCardId": "<string>",
      "sourceHandle": "<string>",
      "targetHandle": "<string>",
      "edgeType": "<string>"
    }
  ]
}