Enterprise Java

APIGEE – An Introduction to API Gateway

In this article I want to give brief introduction about APIGEE. Mainly APIGEE offers below functionalities out of the box as api gateway.

  1. Protocol Transformation
    Transform from or to any protocol including SOAP, REST, XML binary, or custom
  2. Traffic Management
    Flexible, distributed quota management, rate limiting, and spike arrest policies out-of-the-box
  3. API Security
    Built-in support for address filtering, JSON and XML schema validation, and bot detection
  4. Data Access & Security
    Two-way SSL/TLS, API key validation, OAuth1, OAuth2, SAML, CORS, encrypted store, and HIPAA and PCI compliance
  5. API Products
    Create different tiers by packaging APIs with varying rate limits and pricing
  6. API Analytics
    Fine-grained performance monitoring, including anomaly tracing and drill-down and usage metrics related to apps, developers, and APIs
  7. API Monetization
    Flexible rate plans, international billing, and usage tracking
  8. Global Policy Management
    Enforce consistent security and governance policies across all APIs
  9. Developer Portal
    A customizable portal for API providers to manage developers, APIs, and API documentation and versioning

APIGEE sits between service consumers and backend services. As an API gateway, APIGEE takes care of common functionalities required for the APIs. Hence backend services can concentrate only on the core business logic. The below digram  depicts where exactly APIGEE fits.

APIGEE

Now we will see how the request and response goes through APIGEE. Every client request will go through proxy and target endpoints where we will attach APIGEE policies. Policy is nothing but a simple module which will provide common API functionality which we can configure using XML. In each flow APIGEE exposes lot of flow variables.

APIGEE

Below are list of policies available out of the box which you can attach to proxy and target flows.

APIGEE

If you want to experience APIGEE edge, follow below steps to create trail account.

  1. Goto https://login.apigee.com/sign_up. Enter the required information to create account with APIGEE.
  2. After activating APIGEE account, login to https://login.apigee.com/login access Apigee Edge management UI

Below are some of the reference materials to deep dive into APIGEE

Published on Java Code Geeks with permission by Siva Janapati, partner at our JCG program. See the original article here: APIGEE – An Introduction to API Gateway

Opinions expressed by Java Code Geeks contributors are their own.

Siva Janapati

Siva Prasad Rao Janapati is an Architect. He has hands on experience on Java, JEE, Spring, Oracle Commerce, MOZU Commerce, Apache Solr, Apache Kafka, Node.js, JBoss, Hibernate, Memcached, MySql, Oracle, MongoDB, APIGEE, Cloud Native, BlockChain and other open source/enterprise technologies. He loves to explore new technologies and trends.
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