curl --request POST \
  --url 'https://api.sandbox.stateset.app/api/v1/sandbox/{id}/files/write' \
  --header "Authorization: Bearer $STATESET_SANDBOX_API_KEY" \
  --header 'Content-Type: application/json' \
  --data '{
  "files": [
    {
      "path": "string",
      "content": "Two-person tent, green — replacement for damaged pole set."
    }
  ]
}'

{
  "success": true,
  "files_written": 1
}