Handling API calls in the cloud with a service like AWS Lambda is one of the latest ways enterprises try to save on resources. In theory, you can save a ton of money. But be careful. Costs for API calls can mount up, sometimes leaving you with a cloud computing bill ten times the size you expected.
Microsoft has announced the general availability of the Azure Budgets API which includes new enhancements. Among the API updates are support for usage budgets (currently supported for enterprise customers only), support for Azure action groups, and an updated version of the usage details API.