Chartjs-Django + Chart.js Am I Doing This Right? Nothing is being rendered

Try removing <script></script> tag either from base.html or api_chart.html before and after jQuery block.
And also import Chart.js and define id = "myChart" before using new Chart.

<h1>Hello World</h1>
    <canvas id="myChart" width="400" height="400"></canvas>
    <script src="https://cdn.jsdelivr.net/npm/chart.js@2.8.0"></script>
    {% block jQuery %}
        <script>
          var ctx = document.getElementById('myChart')
          var myChart = new Chart(ctx, {
            type: 'bar',
            data: {
              labels: ['Red', 'Blue', 'Yellow', 'Green', 'Purple', 'Orange'],
              datasets: [{
                label: '# of Votes',
                data: [12, 19, 3, 5, 2, 3],
                backgroundColor: [
                .....
    {% endblock %}