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Overview

A Block represents a distinct content element within a document, such as a paragraph of text, a heading, a table, or a figure. Blocks are the fundamental units that make up chunks in parsed documents.

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Block Object Structure

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object
string

The type of object. Always “block”.

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id
string

A unique identifier for the block, deterministically generated as a hash of the block content.

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type
string

The type of block. Possible values include:

  • text: Regular text content
  • heading: Section or document headings
  • section_heading: Subsection headings
  • table: Tabular data with rows and columns
  • figure: Images, charts, or diagrams
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content
string

The textual content of the block, formatted according to the target format specified in the parse request.

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details
object

Additional details specific to the block type. The structure varies depending on the block type.

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oneOf
object
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type
string
default:"figure_details"

Indicates this is a figure details object.

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imageUrl
string

URL to the clipped/segmented figure image. Only set if the option figureImageClippingEnabled is true (which is default true).

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figureType
string

The refined type of figure - only set when figure classification and summarization is enabled. Possible values:

  • image: A photographic image
  • chart: A data chart or graph
  • diagram: A schematic or diagram
  • logo: A company or brand logo
  • other: Any other type of figure
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metadata
object

Metadata about the block.

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polygon
array

An array of points defining the polygon that bounds the block on the page. Each point is an object with x and y coordinates.

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boundingBox
object

A simplified rectangular bounding box for the block, derived from the polygon.

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Block Type Examples

{
  "object": "block",
  "id": "block_1a2b3c4d5e",
  "type": "text",
  "content": "This is a paragraph of text content that appears in the document.",
  "details": {},
  "metadata": {
    "pageNumber": 1
  },
  "polygon": [
    {"x": 100, "y": 50},
    {"x": 500, "y": 50},
    {"x": 500, "y": 80},
    {"x": 100, "y": 80}
  ],
  "boundingBox": {
    "top": 50,
    "left": 100,
    "width": 400,
    "height": 30
  }
}
Bulk Create Evaluation Set ItemsThe EvaluationSet object