Application Integration - Software AG Hosted Environment : Understanding SAG Products : API Management : Governing and Securing Your API Management System : API Gateway
API Gateway
 
Terracotta
API Gateway enables you to securely expose APIs to consumers. You can use API Gateway instead of Mediator and Enterprise Gateway Server; API Gateway provides the same functionality as those two products. In addition, you can do the following with API Gateway:
*Create APIs and publish them to API Portal.
*Define API policies.
*Makes sure requests from and responses to consumer applications conform to policies you define.
*Transforms requests from and responses to consumer applications according to transformation steps you define.
*Monetize a set of APIs by bundling them into a package, providing one or more plans that define pricing and quality of service terms for the package, and publishing the package and plans in API Portal. Consumers can subscribe to API packages, and then use access tokens issued by API Portal upon subscription to access the APIs within the package.
Note:  
API Portal also provides public APIs that providers can use to publish API packages and plans from other sources.
*Gather information about gateway events and API events, as well as details about the popularity of individual APIs. API Portal displays this information in the form of dashboards.
API Gateway runs on the run-time server Integration Server.
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