Kamai · Schema
SheetWordsResponse
ConstructionArtificial IntelligenceBlueprint ExtractionTakeoffEstimationRFI extractionSubmittal reviewSpec review
Properties
| Name | Type | Description |
|---|---|---|
| status | string | `ok`; `empty`: read, and nothing is printed; `not_read`: never read, so the words are unknown, not absent; `unavailable`: could not be read just now, try again; `rooms_unknown` (with `room_id` only): |
| note | object | A plain-English explanation whenever the answer is not a plain `ok`. |
| frame | string | Every position is a fraction (0..1) of the page, from the top-left corner. |
| page | object | The page's `width` and `height` in PDF points (1/72 inch). |
| ocr | object | How the image text was read. |
| counts | object | Words on the whole sheet per source, before any filter. |
| total | object | Words matching the filters, across all pages; `null` when unknown. |
| next_cursor | object | Pass it as `cursor` for the next page; `null` on the last page. |
| words | array | This page of words, in a fixed stored order. |
| rooms | object | Each `room_id` on this page mapped to the room's name. |
| room_links_status | object | Whether words' rooms are known: `ok`; `not_indexed`: the sheet's text is not linked to rooms (not processed yet, or processed before the page size changed); `unavailable`: could not be read just now. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/kamai-io/json-schema/kamai-io-sheet-words-response-schema.json",
"title": "SheetWordsResponse",
"x-generated": "2026-11-13",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/kamai-io-openapi.json#/components/schemas/SheetWordsResponse",
"properties": {
"status": {
"type": "string",
"enum": [
"ok",
"empty",
"not_read",
"unavailable",
"rooms_unknown"
],
"title": "Status",
"description": "`ok`; `empty`: read, and nothing is printed; `not_read`: never read, so the words are unknown, not absent; `unavailable`: could not be read just now, try again; `rooms_unknown` (with `room_id` only): which words are in that room is unknown, which does NOT mean the room is empty."
},
"note": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Note",
"description": "A plain-English explanation whenever the answer is not a plain `ok`."
},
"frame": {
"type": "string",
"const": "page_fraction",
"title": "Frame",
"description": "Every position is a fraction (0..1) of the page, from the top-left corner.",
"default": "page_fraction"
},
"page": {
"anyOf": [
{
"additionalProperties": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"type": "object"
},
{
"type": "null"
}
],
"title": "Page",
"description": "The page's `width` and `height` in PDF points (1/72 inch)."
},
"ocr": {
"anyOf": [
{
"$ref": "#/$defs/SheetWordsOcr"
},
{
"type": "null"
}
],
"description": "How the image text was read."
},
"counts": {
"anyOf": [
{
"additionalProperties": {
"type": "integer"
},
"type": "object"
},
{
"type": "null"
}
],
"title": "Counts",
"description": "Words on the whole sheet per source, before any filter."
},
"total": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"title": "Total",
"description": "Words matching the filters, across all pages; `null` when unknown."
},
"next_cursor": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Next Cursor",
"description": "Pass it as `cursor` for the next page; `null` on the last page."
},
"words": {
"items": {
"$ref": "#/$defs/SheetWord"
},
"type": "array",
"title": "Words",
"description": "This page of words, in a fixed stored order."
},
"rooms": {
"anyOf": [
{
"additionalProperties": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"type": "object"
},
{
"type": "null"
}
],
"title": "Rooms",
"description": "Each `room_id` on this page mapped to the room's name."
},
"room_links_status": {
"anyOf": [
{
"type": "string",
"enum": [
"ok",
"not_indexed",
"unavailable"
]
},
{
"type": "null"
}
],
"title": "Room Links Status",
"description": "Whether words' rooms are known: `ok`; `not_indexed`: the sheet's text is not linked to rooms (not processed yet, or processed before the page size changed); `unavailable`: could not be read just now."
}
},
"additionalProperties": true,
"type": "object",
"required": [
"status"
],
"$defs": {
"SheetWord": {
"properties": {
"text": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Text",
"description": "The word as printed."
},
"bbox": {
"anyOf": [
{
"items": {
"type": "number"
},
"type": "array"
},
{
"type": "null"
}
],
"title": "Bbox",
"description": "Upright box around the word, [x0, y0, x1, y1] in fractions (0..1) of the page from the top-left corner."
},
"source": {
"anyOf": [
{
"type": "string",
"enum": [
"digital",
"ocr",
"ocr_bubble"
]
},
{
"type": "null"
}
],
"title": "Source",
"description": "Where the word was read: `digital` from the PDF's own text layer, `ocr` by text recognition on the image, `ocr_bubble` by a second, closer recognition pass inside a drawn tag bubble (door and window marks)."
},
"room_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Room Id",
"description": "The room the word is printed in; its name is in the response's `rooms`. `null` means outside every room only when `room_links_status` is `ok`."
},
"room_name": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Room Name",
"description": "The room's name, repeated on the word (only with `fields=...,room_name`)."
},
"rot": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"title": "Rot",
"description": "Reading direction in quarter turns: 0 left to right, 1 top to bottom, 2 upside down, 3 bottom to top."
},
"conf": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Conf",
"description": "Recognition confidence, 0..1; always 1.0 for `digital` words."
},
"polygon": {
"anyOf": [
{
"items": {
"items": {
"type": "number"
},
"type": "array"
},
"type": "array"
},
{
"type": "null"
}
],
"title": "Polygon",
"description": "The word's exact outline as [[x, y], ...] page fractions, following rotated text."
},
"id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Id",
"description": "The word's id in the sheet's indexed text layer; `null` when the word is not in it."
},
"wall_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Wall Id",
"description": "The wall the word is printed on, if any."
}
},
"additionalProperties": true,
"type": "object",
"title": "SheetWord",
"description": "One word. Which keys appear is set by the `fields` parameter."
},
"SheetWordsOcr": {
"properties": {
"tiles": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"title": "Tiles",
"description": "How many image tiles the recognition read."
},
"basis": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Basis",
"description": "How the tile count was chosen, e.g. `door_frac` (sized to the drawing's doors) or `cv_ocr` (one tile, for a sheet that is not a floor plan). Informational: new values may appear."
},
"failed_tiles": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"title": "Failed Tiles",
"description": "Tiles that could not be read, so their words are missing; `null` when unknown."
}
},
"additionalProperties": true,
"type": "object",
"title": "SheetWordsOcr"
}
}
}
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