# Download demographic data for a single submission

GET https://api.prolific.com/api/v1/submissions/{id}/demographics/

### Overview
Retrieves demographic data for a specific submission, reflecting a snapshot of the participant's demographics at the time of submission completion.

### Data Source
- Demographic data is retrieved from archives and is not generated on-the-fly
- If no archived demographic data exists for the submission, a 404 response will be returned

### Data Format
- The demographic dataset is dynamic and evolves as questions are added or removed
- For questions that weren't answered by the participant, the value will be `DATA_EXPIRED`
- Fields may include standard demographic information such as age range, gender, education level, etc.

This feature is only available to specific workspaces.


Reference: https://beta-docs.prolific.com/api-reference/submissions/get-submission-demographics

## OpenAPI Specification

```yaml
openapi: 3.1.1
info:
  title: Download demographic data for a single submission
  version: endpoint_submissions.GetSubmissionDemographics
paths:
  /api/v1/submissions/{id}/demographics/:
    get:
      operationId: get-submission-demographics
      summary: Download demographic data for a single submission
      description: >
        ### Overview

        Retrieves demographic data for a specific submission, reflecting a
        snapshot of the participant's demographics at the time of submission
        completion.


        ### Data Source

        - Demographic data is retrieved from archives and is not generated
        on-the-fly

        - If no archived demographic data exists for the submission, a 404
        response will be returned


        ### Data Format

        - The demographic dataset is dynamic and evolves as questions are added
        or removed

        - For questions that weren't answered by the participant, the value will
        be `DATA_EXPIRED`

        - Fields may include standard demographic information such as age range,
        gender, education level, etc.


        This feature is only available to specific workspaces.
      tags:
        - - subpackage_submissions
      parameters:
        - name: id
          in: path
          description: The submission id
          required: true
          schema:
            type: string
        - name: Authorization
          in: header
          description: Header authentication of the form `undefined <token>`
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Demographic data for the submission
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubmissionDemographicsResponse'
        '400':
          description: Error
          content: {}
        '404':
          description: >-
            Archive not found - no demographic data was archived for this
            submission
          content: {}
components:
  schemas:
    SubmissionDemographicsResponse:
      type: object
      properties:
        submission_id:
          type: string
          description: The ID of the submission
        participant_id:
          type: string
          description: The ID of the participant who made the submission
        custom_study_tncs_accepted_at:
          type: string
          description: >-
            When custom study terms and conditions were accepted, if not
            accepted this will be `Not Applicable`
        started_at:
          type: string
          format: date-time
          description: When the submission was started (UTC, ISO 8601 format)
        completed_at:
          type: string
          format: date-time
          description: When the submission was completed (UTC, ISO 8601 format)
        archived_at:
          type: string
          format: date-time
          description: When the demographic data was archived (UTC, ISO 8601 format)
        time_taken:
          type: integer
          description: Time taken to complete the submission in seconds
        completion_code:
          type: string
          description: The completion code entered by the participant
        total_approvals:
          type: integer
          description: Total number of approved submissions by this participant
        demographics:
          type: object
          additionalProperties:
            description: Any type
          description: Demographic data that was archived when the submission was completed

```

## SDK Code Examples

```python
import requests

url = "https://api.prolific.com/api/v1/submissions/id/demographics/"

headers = {"Authorization": "<apiKey>"}

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

print(response.json())
```

```javascript
const url = 'https://api.prolific.com/api/v1/submissions/id/demographics/';
const options = {method: 'GET', headers: {Authorization: '<apiKey>'}};

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"
	"net/http"
	"io"
)

func main() {

	url := "https://api.prolific.com/api/v1/submissions/id/demographics/"

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

	req.Header.Add("Authorization", "<apiKey>")

	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.prolific.com/api/v1/submissions/id/demographics/")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = '<apiKey>'

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

```java
HttpResponse<String> response = Unirest.get("https://api.prolific.com/api/v1/submissions/id/demographics/")
  .header("Authorization", "<apiKey>")
  .asString();
```

```php
<?php

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.prolific.com/api/v1/submissions/id/demographics/', [
  'headers' => [
    'Authorization' => '<apiKey>',
  ],
]);

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

```csharp
var client = new RestClient("https://api.prolific.com/api/v1/submissions/id/demographics/");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "<apiKey>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Authorization": "<apiKey>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.prolific.com/api/v1/submissions/id/demographics/")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

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()
```