Значение не передается в базу данных, результат, который я получаю - Bad request

@api_view(['POST'])
def savetoken(request):
    if request.method==("POST"):
        saveserialize=Tokenserialize(data=request.data)
        if saveserialize.is_valid():
            saveserialize.save()
            return Response(saveserialize.data,status=status.HTTP_201_CREATED)
        return Response(saveserialize.data,status=status.HTTP_400_BAD_REQUEST)


def inserttoken(request):
    if request.method=="POST":
        apiId = request.POST.get('apiId')
        invoiceNumber = request.POST.get('invoiceNumber')
        totalAmount = request.POST.get('totalAmount')
        currency = request.POST.get('currency')
        redirectUrl = request.POST.get('redirectUrl')
        cancelUrl = request.POST.get('cancelUrl')
        orderTime = request.POST.get('orderTime  ')
        tipAmount = request.POST.get('tipAmount  ')
        tipAllowed = request.POST.get('tipAllowed ')
        paymentType = request.POST.get('paymentType')
        paymentMode = request.POST.get('paymentMode')
        data = { 'apiId' :apiId,'invoiceNumber' :invoiceNumber,'totalAmount' :totalAmount,'currency' :currency,'redirectUrl' :redirectUrl,'cancelUrl' :cancelUrl,'orderTime' :orderTime,'tipAmount' :tipAmount,'tipAllowed' : tipAllowed,'paymentType' : paymentType,'paymentMode' : paymentMode}
        headers = {'Content-Type' : 'application/json'}
        read  = requests.post('http://127.0.0.1:8000/inputtoken',json = data, headers=headers)
        return render(request,'inputPage.html')
    else:
        return render(request,'inputPage.html')

Выше приведен код коннектора python, а ниже - html, и проблема, с которой я сталкиваюсь, заключается в том, что даже если я передаю значения должным образом, они не сохраняются в базе данных, что я и получаю, если я использую post man для тестирования моего API отдельно, он работает правильно.

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title></title>
  </head>
  <body>
    <form method="POST" >
      {% csrf_token %}
      <div>
      <!--   apiId-->
      <input type=text name="apiId" placeholder="apiId"><br>
      <!--   invoiceNumber-->
      <input type=text name="invoiceNumber" placeholder="invoiceNumber"><br>
      <!--   totalAmount-->
      <input type=number name="totalAmount" placeholder="totlaAmount"><br>
      <!--   currency-->
      <input type=text name="currency" placeholder="currency"><br>
      <!--   redirectUrl-->
      <input type=text name="redirectUrl" placeholder="redirectUrl"><br>
      <!--   cancelUrl-->
      <input type=text name="cancelUrl" placeholder="cancelUrl"><br>
      <!--   orderTime-->
      <input type=text name="orderTime" placeholder="orderTime"><br>
      <!--   tipAmount-->
      <input type=text name="tipAmount" placeholder="tipAmount"><br>
      <!--   tipAllowed-->
      <input type=text name="tipAllowed" placeholder="tipAllowed"><br>
      <!--   paymentType-->
      <input type=text name="paymentType" placeholder="paymentType"><br>
      <!--   paymentMode-->
      <input type=number name="paymentMode" placeholder="paymentMode"><br>
    </div>
      <input type="submit" value="Hit Token" onclick="return alert('done')"/>
    </form>
  </body>
</html>
Класс модели приведен ниже:-

class TokenModel(models.Model):
    id = models.AutoField(primary_key=True)
    apiId           = models.CharField(max_length=100)
    invoiceNumber   = models.CharField(max_length=100)
    totalAmount     = models.IntegerField()
    currency        = models.CharField(max_length=100)
    redirectUrl     = models.CharField(max_length=100)
    cancelUrl       = models.CharField(max_length=100)
    orderTime       = models.CharField(max_length=100)
    tipAmount       = models.CharField(max_length=100)
    tipAllowed      = models.CharField(max_length=100)
    paymentType     = models.CharField(max_length=100)
    paymentMode     = models.IntegerField()
    #Token           = models.CharField()
    class Meta:
        db_table = "token"
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