curl --request GET \
  --url https://api.learningcommons.org/knowledge-graph/v0/lessons/{lessonId} \
  --header 'x-api-key: <api-key>'

import requests

url = "https://api.learningcommons.org/knowledge-graph/v0/lessons/{lessonId}"

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://api.learningcommons.org/knowledge-graph/v0/lessons/{lessonId}', 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://api.learningcommons.org/knowledge-graph/v0/lessons/{lessonId}",
  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://api.learningcommons.org/knowledge-graph/v0/lessons/{lessonId}"

	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://api.learningcommons.org/knowledge-graph/v0/lessons/{lessonId}")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.learningcommons.org/knowledge-graph/v0/lessons/{lessonId}")

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

{
  "identifier": "im:2ebf72dc-53f8-557b-b804-fca624be807a",
  "name": "Using Functions to Model Battery Power",
  "ordinalName": "Lesson 18",
  "position": 17,
  "academicSubject": "Mathematics",
  "gradeLevel": [
    "high_school",
    "9",
    "10",
    "11",
    "12"
  ],
  "author": "Illustrative Mathematics",
  "provider": "Learning Commons",
  "inLanguage": "English",
  "educationalUse": "instruction",
  "audience": [
    "Teacher",
    "Student",
    "Family"
  ],
  "license": "https://creativecommons.org/licenses/by-nc/4.0/",
  "curriculumLabel": "Lesson",
  "lmsLoadingGuidance": "unspecified",
  "isOptional": false,
  "courseCode": "im360:Alg1",
  "timeRequired": "PT45M",
  "dateCreated": "2020-06-25"
}

{
  "error": "ValidationError",
  "message": "Invalid lesson identifier format",
  "requestId": "req_12345"
}

{
  "error": "NotFoundError",
  "message": "Lesson with identifier 'im:invalid-id' not found",
  "requestId": "req_12345"
}

{
  "error": "InternalServerError",
  "message": "An unexpected error occurred while retrieving the lesson",
  "requestId": "req_12345"
}