Get list of API Gateway REST APIs

get_rest_apigws.py

import csv
import boto3

rest_apis = []
ec2 = boto3.client('ec2', region_name='us-east-1')
for region in ec2.describe_regions()['Regions']:
        print(f"Checking region {region['RegionName']}")
        session = boto3.Session(region_name=region['RegionName'])
        apigw = session.client('apigateway')
        for api in apigw.get_rest_apis()['items']:
            print(f"Getting endpoints for {api['name']}")
            rest_api = {
                'region': region['RegionName'],
                'id': api['id'],
                'name': api['name'],
                'endpointConfiguration': api['endpointConfiguration']
            }
            for stage in apigw.get_stages(restApiId=rest_api['id'])['item']:
                url = f"https://{rest_api['id']}.execute-api.{region['RegionName']}.amazonaws.com/{stage['stageName']}"
                stage_details = rest_api.copy()
                stage_details.update({
                    'deploymentId': stage['deploymentId'],
                    'stageName': stage['stageName'],
                    'url': url
                })
                rest_apis.append(stage_details)

keys = rest_apis[0].keys()
with open('apigateway-rest-apis.csv', 'w') as f:
    dw = csv.DictWriter(f, fieldnames=list(keys))
    dw.writeheader()
    dw.writerows(rest_apis)