curl --request GET \
  --url https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/project-metadata \
  --header 'x-api-key: <api-key>'

import requests

url = "https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/project-metadata"

headers = {"x-api-key": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {'x-api-key': '<api-key>'}};

fetch('https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/project-metadata', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/project-metadata",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/project-metadata"

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

	req.Header.Add("x-api-key", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/project-metadata")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/project-metadata")

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

request = Net::HTTP::Get.new(url)
request["x-api-key"] = '<api-key>'

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

{
  "success": true,
  "metadata": {
    "ratio": {
      "type": "no-ratio",
      "hasValidationCategory": true,
      "count": {
        "training": 123,
        "testing": 123,
        "validation": 123
      }
    },
    "labelQueueCount": 123,
    "totalItemCount": 123,
    "type": "classes",
    "training": {
      "type": "classes",
      "totalLength": "<string>",
      "totalLengthNumber": 123,
      "maxLengthMs": 123,
      "minLengthMs": 123,
      "minFrequency": 123,
      "maxFrequency": 123,
      "itemCount": 123,
      "isTimeseries": true,
      "isFeatures": true,
      "metadataFilterOptions": {
        "totalCount": 123,
        "count": 123,
        "optionsList": [
          {
            "key": "locationId",
            "options": [
              "buildingA",
              "buildingB"
            ]
          }
        ]
      },
      "metadataKeys": [
        "<string>"
      ],
      "fullLabelCount": 123,
      "labels": [
        {
          "label": "<string>",
          "totalLength": 189152,
          "totalLengthStr": "3m 9s",
          "dataCount": 19
        }
      ],
      "changeActionCounts": {
        "insert": 123,
        "update": 123,
        "delete": 123
      }
    },
    "testing": {
      "type": "classes",
      "totalLength": "<string>",
      "totalLengthNumber": 123,
      "maxLengthMs": 123,
      "minLengthMs": 123,
      "minFrequency": 123,
      "maxFrequency": 123,
      "itemCount": 123,
      "isTimeseries": true,
      "isFeatures": true,
      "metadataFilterOptions": {
        "totalCount": 123,
        "count": 123,
        "optionsList": [
          {
            "key": "locationId",
            "options": [
              "buildingA",
              "buildingB"
            ]
          }
        ]
      },
      "metadataKeys": [
        "<string>"
      ],
      "fullLabelCount": 123,
      "labels": [
        {
          "label": "<string>",
          "totalLength": 189152,
          "totalLengthStr": "3m 9s",
          "dataCount": 19
        }
      ],
      "changeActionCounts": {
        "insert": 123,
        "update": 123,
        "delete": 123
      }
    },
    "validation": {
      "type": "classes",
      "totalLength": "<string>",
      "totalLengthNumber": 123,
      "maxLengthMs": 123,
      "minLengthMs": 123,
      "minFrequency": 123,
      "maxFrequency": 123,
      "itemCount": 123,
      "isTimeseries": true,
      "isFeatures": true,
      "metadataFilterOptions": {
        "totalCount": 123,
        "count": 123,
        "optionsList": [
          {
            "key": "locationId",
            "options": [
              "buildingA",
              "buildingB"
            ]
          }
        ]
      },
      "metadataKeys": [
        "<string>"
      ],
      "fullLabelCount": 123,
      "labels": [
        {
          "label": "<string>",
          "totalLength": 189152,
          "totalLengthStr": "3m 9s",
          "dataCount": 19
        }
      ],
      "changeActionCounts": {
        "insert": 123,
        "update": 123,
        "delete": 123
      }
    },
    "postProcessing": {
      "type": "classes",
      "totalLength": "<string>",
      "totalLengthNumber": 123,
      "maxLengthMs": 123,
      "minLengthMs": 123,
      "minFrequency": 123,
      "maxFrequency": 123,
      "itemCount": 123,
      "isTimeseries": true,
      "isFeatures": true,
      "metadataFilterOptions": {
        "totalCount": 123,
        "count": 123,
        "optionsList": [
          {
            "key": "locationId",
            "options": [
              "buildingA",
              "buildingB"
            ]
          }
        ]
      },
      "metadataKeys": [
        "<string>"
      ],
      "fullLabelCount": 123,
      "labels": [
        {
          "label": "<string>",
          "totalLength": 189152,
          "totalLengthStr": "3m 9s",
          "dataCount": 19
        }
      ],
      "changeActionCounts": {
        "insert": 123,
        "update": 123,
        "delete": 123
      }
    },
    "all": {
      "type": "classes",
      "totalLength": "<string>",
      "totalLengthNumber": 123,
      "maxLengthMs": 123,
      "minLengthMs": 123,
      "minFrequency": 123,
      "maxFrequency": 123,
      "itemCount": 123,
      "isTimeseries": true,
      "isFeatures": true,
      "metadataFilterOptions": {
        "totalCount": 123,
        "count": 123,
        "optionsList": [
          {
            "key": "locationId",
            "options": [
              "buildingA",
              "buildingB"
            ]
          }
        ]
      },
      "metadataKeys": [
        "<string>"
      ],
      "fullLabelCount": 123,
      "labels": [
        {
          "label": "<string>",
          "totalLength": 189152,
          "totalLengthStr": "3m 9s",
          "dataCount": 19
        }
      ],
      "changeActionCounts": {
        "insert": 123,
        "update": 123,
        "delete": 123
      }
    }
  },
  "error": "<string>"
}