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# Get a space's entity/relation knowledge graph

GET https://api.cloudraker.com/spaces/{spaceId}/ontology

Returns the whole knowledge graph extracted from the documents in a space: `{ entities, edges }`. Each entity has `id`, `type` (one of organization | person | location | identifier | date | amount | other), `name`, `key`, and `mentionCount`; each edge has `sourceId`, `targetId`, `relation`, and the `fileId` it was observed in. Optional `?limit=` (1-2000) caps the number of entities returned. Requires `space:read` on `:spaceId` — a caller lacking it gets a 404 (existence is hidden).

Reference: https://docs.cloudraker.com/api/cloud-raker-api/workspace/ontology/get-space-ontology

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: CloudRaker API
  version: 1.0.0
paths:
  /spaces/{spaceId}/ontology:
    get:
      operationId: get-space-ontology
      summary: Get a space's entity/relation knowledge graph
      description: >-
        Returns the whole knowledge graph extracted from the documents in a
        space: `{ entities, edges }`. Each entity has `id`, `type` (one of
        organization | person | location | identifier | date | amount | other),
        `name`, `key`, and `mentionCount`; each edge has `sourceId`, `targetId`,
        `relation`, and the `fileId` it was observed in. Optional `?limit=`
        (1-2000) caps the number of entities returned. Requires `space:read` on
        `:spaceId` — a caller lacking it gets a 404 (existence is hidden).
      tags:
        - ontology
      parameters:
        - name: spaceId
          in: path
          required: true
          schema:
            type: string
        - name: limit
          in: query
          description: >-
            Maximum entities returned, 1–2000. Defaults to 500. There is no
            cursor.
          required: false
          schema:
            type: integer
            default: 500
        - name: Authorization
          in: header
          description: Bearer authentication
          required: true
          schema:
            type: string
      responses:
        '200':
          description: The space graph.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OntologyGraph'
servers:
  - url: https://api.cloudraker.com
    description: Production
  - url: https://api.staging.raker.one
    description: Staging
  - url: https://api.dev.raker.one
    description: Development
components:
  schemas:
    GraphEntity:
      type: object
      properties:
        id:
          type: string
        type:
          type: string
        name:
          type: string
        key:
          type:
            - string
            - 'null'
          description: Normalized dedupe key.
        mentionCount:
          type: integer
      required:
        - id
        - type
        - name
        - key
        - mentionCount
      title: GraphEntity
    GraphEdge:
      type: object
      properties:
        sourceId:
          type: string
        targetId:
          type: string
        relation:
          type: string
        fileId:
          type: string
          description: The file the relation was observed in.
      required:
        - sourceId
        - targetId
        - relation
        - fileId
      title: GraphEdge
    OntologyGraph:
      type: object
      properties:
        entities:
          type: array
          items:
            $ref: '#/components/schemas/GraphEntity'
        edges:
          type: array
          items:
            $ref: '#/components/schemas/GraphEdge'
      required:
        - entities
        - edges
      title: OntologyGraph
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

```

## Examples



**Request**

```json
{}
```

**Response**

```json
{
  "entities": [
    {
      "id": "ent-12345",
      "type": "organization",
      "name": "Acme Inc",
      "key": "acme_inc",
      "mentionCount": 42
    },
    {
      "id": "ent-67890",
      "type": "person",
      "name": "Jane Doe",
      "key": "jane_doe",
      "mentionCount": 15
    },
    {
      "id": "ent-54321",
      "type": "location",
      "name": "New York City",
      "key": "new_york_city",
      "mentionCount": 27
    }
  ],
  "edges": [
    {
      "sourceId": "ent-67890",
      "targetId": "ent-12345",
      "relation": "employed_by",
      "fileId": "file-98765"
    },
    {
      "sourceId": "ent-12345",
      "targetId": "ent-54321",
      "relation": "headquartered_in",
      "fileId": "file-98765"
    }
  ]
}
```

**SDK Code**

```python
import requests

url = "https://api.cloudraker.com/spaces/spaceId/ontology"

payload = {}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.get(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api.cloudraker.com/spaces/spaceId/ontology';
const options = {
  method: 'GET',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.cloudraker.com/spaces/spaceId/ontology"

	payload := strings.NewReader("{}")

	req, _ := http.NewRequest("GET", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.cloudraker.com/spaces/spaceId/ontology")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://api.cloudraker.com/spaces/spaceId/ontology")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.cloudraker.com/spaces/spaceId/ontology', [
  'body' => '{}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.cloudraker.com/spaces/spaceId/ontology");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.cloudraker.com/spaces/spaceId/ontology")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```