Respect API Rate Limits With a Backoff

The Vonage Communication APIs offer a way to send SMS messages asynchronously using exponential backoff and jitter, which helps manage API call throughput and avoid rate limits. To complete this tutorial, you need a Vonage API account and a virtual phone number. The tutorial covers how to create an application, link the number to it, and use the Vonage Python SDK to generate a JWT for authentication. The `send_sms` function makes an asynchronous POST request to the Messages API with the generated JWT, headers, and payload. To queue the SMS in a loop, you can add a short sleep between tasks, which helps get closer to the rate limit without exceeding it. The tutorial also discusses how to use Python backoff and jitter to manage API call throughput and avoid rate limits.