AWS Lambda lets you run code without provisioning or managing servers. You pay only for the compute time you consume (source: Amazon Web Services).
AWS Lambda

AWS Lambda
Last checked for availability: Friday, November 15, 2019
Specifications
Description Webpage: https://aws.amazon.com/lambda/
Source code (download): N/A
License type: Freemium
Price scheme: https://aws.amazon.com/lambda/pricing/
Usage restrictions: N/A
Software platform: N/A
Code language: N/A
API type: REST
API response type: N/A
SDK: Java, .NET, Python, PHP, Node.js, Ruby, IOS, Android