API and Microservice – these are two new buzzwords of the tech industry, both very important in modern day web application development. However, even though their uses often overlap, these terms cannot be used interchangeably. It is important to understand what they mean, and how they are different from one another.
API (application programming interface) is a set of rules and protocols that allow software to communicate with other software. It allows developers to create applications that interact with outside services or systems, without having to learn the codebaseof those systems. APIs can be used for a variety of purposes, such as retrieving data from an external service, sending requests to webhooks in order to trigger actions within another system, or even controlling devices remotely.
Typically, APIs handle data by fielding HTTP requests and returning responses in JSON format. There are several kinds of APIs such as REST, GraphQL, SOAP, gRPC, and more. REST (REpresentational State Transfer) APIs are generally used for security and efficiency.
A big reason why businesses use APIs is that they offer a way for users to access internal systems and data without needing any developer skillset. This makes it much easier for them to integrate new features into their applications or increase the accessibility and usability of their existing ones.
There are several reasons why an API might be desirable:
Web microservices are small, modular pieces of software that can be used to improve the performance and reliability of a website. “Microservice” actually refers to a style of architecture. Simply put, web microservices help developers break down their applications into smaller, more manageable pieces so that they can address specific problems and issues faster. This makes it easier for them to test new ideas or modifications without affecting the whole site – something that is often difficult or impossible to do with traditional web architecture designs.
One big reason why web microservices are gaining popularity is that they enable companies to scale their businesses independently from one another. This means that even if one part of a company’s business suffers (for example, due to low traffic), other parts of the company can still remain operational thanks to the web microservice concept. The problems this can typically solve are:
A web microservice is a small, self-contained application that can be deployed on the internet as a service. This means that it can be accessed by other applications and systems over the network, rather than being physically installed on a machine. Web microservices are often used in eCommerce businesses because they allow companies to scale their operations quickly and easily. They also make it easy to create modularized solutions, which makes it easier to change or improve an existing system without having to rebuild it from scratch.
There are several reasons why businesses might want to use web microservices:
Microservices and APIs are frequently paired together, and there’s a good reason for it. Just like how web applications and software use open APIs to communicate with each other, microservices too (as well as services within microservices) use internal or private APIs toaccess each other’s components. However, these APIs are specific to each service that uses them. No two microservices are alike within a system, and use APIs in their own way.
The primary differences between APIs and microservices may be summed up as follows.
On the other hand, a microservice
Finally, it is important to note that APIs have a role within as well as beyond microservices.
Several leading software companies across the world have begun to shift towards a microservice model, including Uber, Netflix, Etsy, Amazon, and Spotify. However, the appeal of APIs to enterprises is primarily that, apart from enabling communication between microservices themselves, they can also lead the way for powerful third-party integrations. This essentially makes APIs a business model, where they are sold as products.
The CEO of WebGuru Infosystems, Mr. Raju Chakraborty writes from a place of experience on websites, app development, and digital marketing.