![]() Service Architecture Diagrams help new users get a “lay of the land” when it comes to your API, meaning they can quickly see how all the resources and data models are related. The diagram above shows how an online store’s architecture diagram might look, including the resources, endpoints, and attributes of each resource. Service Architecture DiagramsĪnother way to use API architecture diagrams is to show how multiple services are connected and integrated with one another. Complex workflows like authentication and authorization often require API calls to be made in a very specific order, so API architecture diagrams can help clarify this.Įxample of a REST API sequence diagram with swimlanes. The API diagram above uses the order of arrows to indicate the order in which the calls should be made. They can also be useful for noting any custom calls (like bulk endpoints) that your API offers. A sequence diagram often includes the HTTP verb ( GET, POST, PUT, or DELETE) and resource name for each API call in the diagram. ![]() One way to use an API diagram is to illustrate a specific workflow that consumers need to know about. That said, here are a few interesting common types of API architecture diagrams: Sequence Diagrams In this post, I’ll primarily focus on diagramming REST APIs, but the types of API diagrams you can create are basically endless. Types of API Architecture Diagramsĭepending on the API you’re documenting, the communication protocols you’re using, the complexity of the system, and the goals of the architecture diagram, you may diagram the API differently. So, creating diagrams like this can be helpful, but your engineering and documentation teams will need to make time to get them right. As the author of the Tweet above points out, this particular diagram took 10 hours of work to complete. Unfortunately, creating a good API architecture diagram takes time. MeYGbaHlfV- Ivan Velichko February 1, 2021 Typically, an API architecture diagram will identify the various API components, their relationships with each other, and the data flow between them, but as you’ll see in this piece, there are many types of API diagrams worth looking at.įor instance, this "Kubernetes API structure" diagram took around 10 hours of my time. They can help developers and architects plan the interface structure, users understand the intended use of the API, and they can also help QA engineers better test and debug the API. What are API Architecture Diagrams and Do You Need Them?ĪPI architecture diagrams are visual representations of the structure and interactions of the components of an API. Finally, you’ll get some best practices for creating architecture diagrams as a supplement to your API documentation. You will see several examples of these diagrams and learn about the utility of UML for modeling them. This guide will share more about the various types of API architecture diagrams and some tips for creating them. Along with other elements like interactive API portals, API architecture diagrams also help enrich your API’s documentation. They provide a map of how different systems interact to help software teams manage and maintain them, and they provide insight into the architect’s vision for the entire system. Otherwise, simply paste the code to to generate the sequence diagram shown above.Architecture diagrams are essential in the API development process. If you have installed ZenUML Diagrams for Confluence(FREEMIUM) | Atlassian Marketplace, you can incorporate a Diagram Macro to your confluence page and paste the above Code to the editor. Examples: for(condition) Step 3: Generate Sequence Diagram with ZenUML Creation message: Represents the creation of a new instance of a class. ![]() Sync message: Represents a synchronous message between participants. Whenever possible put the whole process together instead of split it into multiple processes.īookRepository.“Update the table by id etc.”ġ. Do not explain the DSL you generate.ĭo not generate classes. Step 2: Past the following prompt to ChatGPT Here is a DSL example. We suggest utilizing GPT-4, as GPT-3.5 may not consistently deliver the same level of response quality. For instance, the diagram displayed on the right has been crafted from the paragraphs on the left.Įxperience this groundbreaking technology firsthand by giving it a try yourself. However, the advent of ChatGPT has revolutionized this process by empowering users to create diagrams using natural language. In fact, a plethora of tools, including ZenUML, Mermaid, and PlantUML, have long since provided this functionality. The concept of generating sequence diagrams from text or code is far from novel.
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