curl --request POST \
  --url https://api.gumloop.com/api/v1/start_pipeline \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "user_id": "<string>",
  "project_id": "<string>",
  "saved_item_id": "<string>",
  "pipeline_inputs": [
    {
      "input_name": "<string>",
      "value": "<string>"
    }
  ]
}'

{
  "run_id": "<string>",
  "saved_item_id": "<string>",
  "workbook_id": "<string>",
  "url": "<string>"
}