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  • Bots Are Coming! Approaches for Testing Conversational Interfaces

    Voice-based computing interfaces need testing with an adapted approached, suited for their specificity and context. Some things need to be adapted (test strategy, testing approach, validation criteria) while others can be re-used (e.g. API testing approaches and tools), and some need learning new things (e.g. testing artificial intelligence models and components).

  • Transforming the Healthcare Industry through API Marketplaces

    A key problem in the healthcare industry is that valuable data points are hidden and siloed. Through an API marketplace, we can expose these data points securely and make them accessible by healthcare industry stakeholders and citizens alike, improving efficiency in the industry and enabling innovation in population health technologies.

  • Ambassador: Building a Control Plane for an Envoy-Powered API Gateway on Kubernetes

    This article provides an insight into the creation of the Ambassador open source API gateway for Kubernetes, and discusses the technical challenges and lessons learned from building a developer-focused control plane for managing ingress or "edge" traffic within microservice-based applications.

  • Overcoming RESTlessness

    New API protocols like GraphQL, gRPC, and Apache Kafka have risen in popularity as alternatives to REST-inspired HTTP APIs. Instead of seeking to replace REST, the software engineering industry should seek to evolve by building on the maturity of the REST ecosystem while exploiting the technological strengths of the new protocols.

  • Rewriting an API Gateway Service from Clojure to Golang: AppsFlyer Experience Report

    AppsFlyer processes nearly 70+ billion HTTP requests a day, and is built using a microservices architecture style. The entry point to the system that wraps all of the frontend services is a mission-critical (non-micro) service called the API Gateway. This article is an experience reporting of migrating from a Clojure-based gateway to a newly designed Go-based implementation.

  • How to Test ASP.NET Core Web API

    In this article, we will investigate testing your ASP.NET Core 2.0 Web API solutions. We will look at internal testing with Unit Testing and externally testing your solution with a new testing framework in ASP.NET Core called Integration Testing.

  • Give REST a Rest with RSocket

    Representational State Transfer (REST) has become the de facto standard for communicating between microservices. The author argues that is not a good thing. We need a modern material to replace HTTP for creating modern services. Open source RSocket is designed for services. It is a connection-oriented, message-driven protocol with built-in flow control at the application level.​​​​​​​

  • The Argument for WCF Hosting in .NET Core

    Should WCF Hosting be Supported in .NET Core? To a lot of people this seems like a strange question; the answer is obviously... yes? no? Well actually it is quite contentious with people on both sides of the issue fiercely arguing for their position. We’ll try to unpack the debate and explain the arguments on both sides.

  • PSD2: Blessing or Curse for Banks?

    PSD2 will force all European banks to offer three APIs (Accounts, Transactions and Payments) free of charges to all 3rd parties approved by the ECB. This will allow new players to bring new and innovative products to the financial sector. For a successful transformation into a digital company, banks must evolve on three axis: Culture & People, Technology & Skills and Technical debt management.

  • Building an API Gateway with the Ballerina Programming Language

    An API Gateway is a layer in an architecture pattern that allows the business API to focus on the business functionality while taking care of the request dispatching, policy enforcement, protocol translations and analytics. This article is about how we built an API Gateway in Ballerina for the WSO2 API Manager.

  • Advanced Architecture for ASP.NET Core Web API

    This article looks into how ASP.NET Core makes it easy to build a modern web API. This enables an implementation that is easy to design, test, and maintain. By using the Ports and Adapter Pattern business logic can be decoupled from API frameworks and data access.

  • Designing, Implementing, and Using Reactive APIs

    Reactive programming is a hot topic in the Java world. Whether you want to leverage non-blocking APIs, manage the latency introduced by the explosion of microservices, or simply utilize computing resources more efficiently, it's time to look at reactive as a viable programming model. In this article, we offer some opinions on how you should design, implement and use reactive APIs.

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