Nanonets · Schema

Nanonets Prediction

Top-level prediction object returned by the Nanonets OCR API.

Artificial IntelligenceOCRDocument AIIntelligent Document ProcessingData ExtractionWorkflow-AutomationComputer-VisionNo-Code

Properties

Name	Type	Description
id	string	Unique identifier for the prediction.
label	string	Label name corresponding to a field or table header configured in the model.
label_id	string	Unique identifier for the label as defined in the model.
type	string	Indicates whether the prediction is a field or a table header.
xmin	number	Left edge of the bounding box.
ymin	number	Top edge of the bounding box.
xmax	number	Right edge of the bounding box.
ymax	number	Bottom edge of the bounding box.
score	number	Confidence score from the model.
ocr_text	string	Predicted value associated with the label.
status	string	Status of the predicted label (typically 'correctly_predicted').
validation_status	string	Present and equal to 'failed' when an approval rule did not pass; absent on success.
validation_message	string	Reason a label-level validation rule failed.
page_no	integer	Zero-indexed page number in the document.
cells	array	Cell predictions when this prediction is a table.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/nanonets/refs/heads/main/json-schema/nanonets-prediction-schema.json",
  "title": "Nanonets Prediction",
  "description": "Top-level prediction object returned by the Nanonets OCR API.",
  "type": "object",
  "required": ["id", "label"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the prediction."
    },
    "label": {
      "type": "string",
      "description": "Label name corresponding to a field or table header configured in the model."
    },
    "label_id": {
      "type": "string",
      "description": "Unique identifier for the label as defined in the model."
    },
    "type": {
      "type": "string",
      "enum": ["field", "table"],
      "description": "Indicates whether the prediction is a field or a table header."
    },
    "xmin": { "type": "number", "description": "Left edge of the bounding box." },
    "ymin": { "type": "number", "description": "Top edge of the bounding box." },
    "xmax": { "type": "number", "description": "Right edge of the bounding box." },
    "ymax": { "type": "number", "description": "Bottom edge of the bounding box." },
    "score": {
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "description": "Confidence score from the model."
    },
    "ocr_text": {
      "type": "string",
      "description": "Predicted value associated with the label."
    },
    "status": {
      "type": "string",
      "description": "Status of the predicted label (typically 'correctly_predicted')."
    },
    "validation_status": {
      "type": "string",
      "enum": ["failed"],
      "description": "Present and equal to 'failed' when an approval rule did not pass; absent on success."
    },
    "validation_message": {
      "type": "string",
      "description": "Reason a label-level validation rule failed."
    },
    "page_no": {
      "type": "integer",
      "description": "Zero-indexed page number in the document."
    },
    "cells": {
      "type": "array",
      "description": "Cell predictions when this prediction is a table.",
      "items": {
        "type": "object",
        "required": ["id", "row", "col"],
        "properties": {
          "id": { "type": "string" },
          "row": { "type": "integer" },
          "col": { "type": "integer" },
          "label": { "type": "string" },
          "label_id": { "type": "string" },
          "xmin": { "type": "number" },
          "ymin": { "type": "number" },
          "xmax": { "type": "number" },
          "ymax": { "type": "number" },
          "score": { "type": "number", "minimum": 0, "maximum": 1 },
          "text": { "type": "string" },
          "verification_status": { "type": "string" },
          "status": { "type": "string" },
          "failed_validation": { "type": "string" }
        }
      }
    }
  }
}

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