api_handler.py

import boto3
import json
file_url = 'https://template-stack-ce5f2a90.s3.amazonaws.com/vpc.yaml'

def lambda_handler(event, context):
    print('EVENT:')
    print(event)
    data = json.loads(event['body'])
    print('DATA:')
    print(data)
    APIParameters=[]
    for key, value in data.items():
        APIParameters.append({'ParameterKey': key, 'ParameterValue' : value, 'UsePreviousValue' : False, 'ResolvedValue' : 'string'})
    print(APIParameters)
    credentials = {
        'aws_access_key_id' : 'AKIAXJJW7FYVH55GIN3D',
        'aws_secret_access_key' : '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'
    }
    cloudform = boto3.client('cloudformation', 'us-east-1')
    response = cloudform.create_stack(
       StackName=data['EnvironmentName'],
       TemplateURL=file_url,
       Parameters = APIParameters,
         DisableRollback = False,
         TimeoutInMinutes=123, 
         Capabilities=[
             'CAPABILITY_IAM',
         ],
         Tags=[
             {
                 'Key' : 'Name',
                 'Value' : 'AutoGenerated'
             },
         ],
         EnableTerminationProtection=False
     )
    response = {
            "statusCode": 200,
            "headers": {"Access-Control-Allow-Origin":"*"},
            "body": json.dumps(
                {"Status": "Success",
                    "Stack Name" : data['EnvironmentName'],
                },
            )
        }
    return response