There are several tools and techniques you can use to monitor API usage in email marketing:
API Dashboards: Most email marketing platforms offer built-in dashboards that provide real-time insights into your API usage, including metrics such as rate limits, error rates, and success rates. Third-Party Monitoring Tools: Tools like Postman, New Relic, and Datadog offer comprehensive monitoring solutions that can help you track and analyze your API usage across multiple platforms. Custom Scripts: You can also create custom scripts to monitor your API usage by leveraging programming languages like Python, JavaScript, or Ruby. These scripts can be tailored to your specific needs and integrated with your existing reporting tools.