Official SDKs for the languages Bavimail teams actually ship with

npm install bavimail

import { Bavimail } from 'bavimail'
const client = new Bavimail({ apiKey: process.env.BAVIMAIL_API_KEY })

pip install bavimail

from bavimail import Bavimail
client = Bavimail(api_key=os.environ['BAVIMAIL_API_KEY'])

dotnet add package Bavimail

var client = new BavimailClient(Environment.GetEnvironmentVariable("BAVIMAIL_API_KEY"));