curl --request GET \
  --url https://api.nuvia.ai/v1/rdstation/deal-stage-mappings \
  --header 'Authorization: Bearer <token>'

{
  "deal_stage_mappings": [
    {
      "pipeline_id": "123",
      "stage_id": "456",
      "agent_step_id": "507f1f77bcf86cd799439011",
      "create_deal": false,
      "create_contact": false
    }
  ]
}