An API (Application Programming Interface) is the functional key for communication between disparate applications or programs. APIs open up accessibility and make the data more useful. To provide a seamless experience across various platforms, APIs help in driving the adoption of new applications. With new requirements coming in, there will be a need to create new APIs and organize them to make sure that the access for data and apps is intact on a daily basis. Security for APIs is also one of the main concerns. The sensitive data should be protected by setting proper permissions. Managing all the access to data and applications will be a challenging task. Apigee is a platform that makes the work of API development and management easy. In this post, we will discuss Apigee Edge and how it is useful. We will give an overall explanation of the monitoring, analytics, and developer ecosystem of Apigee Edge.
Apigee Edge is an API gateway management tool. It was originally founded in 2004 in Santa Clara, California with the name Sonoa Systems and later rebranded as Apigee in 2010. Google has acquired Apigee in the year 2016. Apigee Edge is used for developing and managing APIs. Many websites and applications are connected together with APIs to provide data feeds. The Apigee Edge provides an abstraction for backend service APIs. It mainly offers security, rate limiting, quotas, analytics, and other features for the APIs.
Apigee Edge provides a secure way of access to the backend services with a well-defined API. This API will be easy to consume by any type of application. Even if the backend is changed or data is changed, the API won't get affected. When applications or app developers access the APIs, they access an API proxy that is created on the Edge. The API proxy acts as a mapping of the HTTP endpoint to the backend service. The Edge will handle the authorization and security to protect the backend services.
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Apigee Edge consists of the below 3 components.
This is where APIs are created and consumed. It contains services such as API Gateway, Connectors, Programmability, API First, Security, and Federated runtime. Users can configure API proxies, set up API products, and manage app developers and client apps. It addresses the main concerns that are related to API management. It lets the users add security policies to the API proxies. The behavior of the API proxy can be customized using custom scripts.
Apigee Edge provides tools to generate reports that show the usage trends of your APIs. When data is passed through the Edge, several types of default information such as URL, user ID, IP are collected. Users can customize this to collect information such as query parameters, headers, portions of a request or response, etc without affecting the API performance. This information will be useful to create reports for latency, error data, and more. All the metrics are presented in a browser-based dashboard.
The developer ecosystem provides developer services such as SmartDocs, Self-Service, Customizable portals. It lets the users formalize their relationships with internal and external developers. Users can manage the app developers that use the services. An Edge customer can create a developer portal either in the cloud or on-premises. The app developers can connect to the portal to access API documentation. Edge customers can create two types of portals.
Apigee Edge is available in three flavors.
A completely Apigee hosted SAAS version of the environment. Users can build APIs without worrying about the infrastructure.
APIs can be managed on Google Cloud Platform (GCP), or on-premise, or a mix of both. It lets the users handle both the internal and external APIs with Google Cloud. Users will be able to leverage existing local compliance and governance policies.
Users have to configure their own environment and carry out administrative processes such as installation, upgrade, and maintenance. The private cloud won't be able to provide all the features offered by the public cloud.
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Let’s look at some basic terms that are frequently used in API management.
An application programming interface (API) is used to consume data or services from one application to another. APIs make it easy for developers to access and reuse application logic that is built by another developer. For the web APIs, the data will be accessed over the network.
It is an abstraction or a facade for one or more APIs on the Edge. Implementing a set of configuration files, policies, and code to utilize some resources is referred to as an API proxy. The API proxies can even be created in a text editor or an IDE. It protects the backend services from code changes by developers. Users can customize the email signature by setting multiple interfaces to the same API.
An API consists of a base path and a set of API resources. The base path in an API proxy is compulsory, and the API resource paths are optional. An API management can simply be referred to as a set of URIs. Developers can attach policies and codes to these URIs. Several APIs of an application may share a common base path.
API product is a collection of API resources (URIs) with a service plan published at design time. Developers can bundle multiple API products together for monetization to make an API package. One or more API products has an API key that permits an app to consume the API.
It is a bundle of several API products generally associated with a rate plan.
An application built with any programming language, technology, or platform is referred to as an app. An app can either be mobile or web that consumes an API. To let the apps consume an API, they have to be registered in the API provider's organization on Apigee Edge. Once the registration is done, the app will get an API key and secret. The API key should be embedded in the app to authorize API consumption.
It is the runtime execution for API proxies. To make an API proxy accessible, it should be deployed in an environment. Test and prod are the environments provisioned by default to an organization.
An organization acts as a container for objects in the Apigee Edge account, such as API proxies, API products, API packages, Apps, and developers. A user should have a user account to work in an organization. A user can have accounts in multiple organizations.
A policy is a reusable unit of logic that can be executed within an API proxy processing flow. A policy is generally used to transform message formats, masking sensitive data, calling remote services, access control, and more. A policy can be executed based on the context of a request, or content, or response message.
The API resource path is a RESTful concept and a URI (uniform resource identifier) that locates the resource path to the resource available.
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It is the term used to define the next edition of a developer-facing API interface.
It is a numbered version-controlled package of API Proxies. The API interfaces have versions and the API proxies have revisions.
Here are some useful tips that will help you while deploying API proxies.
Organizations want to make the backend resources available on the web to make them accessible for mobile applications and web applications. Apigee Edge makes it easy to visually code, or configure API policies, and customize API behavior. It safeguards your data from threats and other attacks. Users can track live API calls, traffic surges, API traffic info with real-time insights. It also decreases the meantime to diagnosis (MTTD). Apigee Edge provides a seamless customer experience to partners, customers, and application developers. Major companies like Burberry, eBay, Walgreens, Shell, First Data, Live Nation, etc., use Apigee Edge.
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