This documentation is for WSO2 API Manager 1.9.0. View documentation for the latest release.

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The API Manager comprises the following high-level components:

API Publisher

Provides an end user, collaborative Web interface for API providers to publish APIs, share documentation, provision API keys, and gather feedback on API features, quality and usage. For API Publisher use cases, see API Developer Tutorials.API development is usually done by someone who understands the technical aspects of the API, interfaces, documentation, versions etc., while API management is typically carried out by someone who understands the business aspects of the APIs. In most business environments, API development is a responsibility that is distinct from API publication and management. 

WSO2 API Manager provides a simple Web interface called WSO2 API Publisher for API development and management. It is a structured GUI designed for API creators to develop, document, scale and version APIs, while also facilitating more API management-related tasks such as publishing API, monetization, analyzing statistics, and promoting. 

The API Publisher URL is https://<YourHostName>:9443/publisher and it is accessible on HTTPS only. The default credentials are admin/admin.

The diagram below shows the common lifecycle activities of an API developer/manager:

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API Store

Provides an end-user, collaborative Web interface for API consumers to self register, discover API functionality, subscribe to APIs, evaluate them and interact with API publishers. For API Store use cases, see Application Developer Tutorials.

API Gateway

A runtime, backend component (an API proxy) developed using WSO2 ESB. API Gateway secures, protects, manages, and scales API calls. It intercepts API requests, applies policies such as throttling and security using handlers and manages API statistics. Upon validation of a policy, the Gateway passes Web service calls to the actual backend. If the service call is a token request, the Gateway passes it directly to the Key Manager. 

When the API Manager is running, you can access the Gateway using the URL https://localhost:9443/carbon. You integrate a monitoring and statistics component to the API Manager without any additional configuration effort. This monitoring component integrates with WSO2 Business Activity Monitor, which can be deployed separately to analyze events. For more information, see Publishing API Runtime Statistics.

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