Citations tie each extracted value back to the source document region.

Enable citations

1. Open the processor in https://app.algorythmos.fr.
2. Under Settings → Output, toggle Return citations.
3. Re-run a sample document to verify bounding boxes overlay correctly.

API response shape

{
  "invoice_total": {
    "value": 582.33,
    "citation": {
      "page": 1,
      "bounding_box": [72, 420, 180, 452],
      "confidence": 0.94
    }
  }
}

Coordinates use PDF points (1/72 inch) relative to the top-left corner. Use them to draw highlights or to route low-confidence items into human review.

Download annotated PDFs

Call GET https://api.algorythmos.fr/processors/{processor_id}/runs/{run_id}/preview to retrieve a marked-up PDF with every citation overlayed.

Citations make compliance audits easier because you can show exactly where each value originated.