Simple is not easy

How to design API architecture with API brokers: tools, styles, principles, and benefits for businesses that want speed, security, and scalability.

We explain how to design API architecture with brokers, speed up integrations, reduce risks, and improve security.

  • The concept of architecture
  • Core architecture elements
  • Architectural styles
  • The role of API brokers

Overview

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This article examines how designing the architecture and integrations of service API brokers helps companies increase profit, reduce errors, and improve customer experience.

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1C integrations through ESB

Buses vs. message brokers

The concept of architecture

KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

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API Architecture with Brokers: Principles and Benefits.API Architecture with Brokers: Principles and Benefits.API Architecture with Brokers: Principles and Benefits.
API GatewayAPI Architecture with Brokers: Principles and Benefits.Kong, Amazon API Gateway, Apigee, Tyk, Azure API Management
API Architecture with Brokers: Principles and Benefits.API Architecture with Brokers: Principles and Benefits.Linkerd, Istio, Consul, AWS App Mesh, Connect
API Management LayerAPI Architecture with Brokers: Principles and Benefits.Azure API Management, WSO2, Gravitee
Backend ServicesAPI Architecture with Brokers: Principles and Benefits.API Architecture with Brokers: Principles and Benefits.
Data LayerAPI Architecture with Brokers: Principles and Benefits.API Architecture with Brokers: Principles and Benefits.

KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. RESTKT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. SOAP.

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KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. RPCKT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

The role of API brokers

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  2. Think of it as a dispatcher at a complex transport hub. The API broker reduces integration complexity and speeds up the rollout of new services.

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  4. Broker vs. API Gateway: clarifying the terms

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  7. Beyond gateway functions, it often includes complex content-based routing, data format transformation, orchestration of action sequences between services, and guaranteed message delivery.

Design principles

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2. 12+KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. 12+KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. ×KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

5. systemsKT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. VersioningKT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. SecurityKT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

8. ScalabilityKT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. 12+KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. 12+KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

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A step-by-step plan for designing an API architecture with a broker

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  2. Let's walk through each step to build an effective solution. 1. .

  3. At this stage, it is important to gather the key requirements.

  4. Functional requirements describe what the API must do: for example, retrieving product data, creating orders, or managing accounts.

  5. KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. :

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  7. KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. .The choice of architectural style determines how the API should interact with clients.

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  14. KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. .This step defines which data and functions the API exposes.

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  36. If v1 has /users and v2 adds /profiles, v1 clients keep working unchanged.

A case in point: SberTech

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  2. This slowed partner onboarding and increased support costs and the risk of failures.

  3. KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. : KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. 18 months: -

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  7. Fast adaptation to new regulatory requirements without reworking systems

Business context

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  2. The platform determines implementation speed, flexibility, and total cost of ownership.

  3. There are many solutions: from powerful enterprise platforms to flexible open-source tools.

  4. Here is an overview of popular platforms and key trends.

  5. KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. /: MuleSoft Anypoint Platform, IBM API Connect, Software AG webMethods, TIBCO Mashery. - API Management: KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. Open-Source:KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

Trends

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  2. KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. API: CI/CD

  3. KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support. - (EDA):

  4. Growing demand for asynchronous communication through messaging platforms (RabbitMQ, Kafka, NATS) to improve responsiveness and resilience.

Insufficient documentation

KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

Lack of versioning

An API without a versioning system creates problems during updates. Changes to an API often break existing integrations, leading to disruptions in business processes. For example, a company that updates its API without supporting the old version may face client downtime and, as a result, lost revenue. Versioning, for instance through the URL (/v1/users), helps avoid such risks.

Security issues

Insufficient attention to security, such as the absence of HTTPS or weak authentication (for example, without OAuth 2.0), makes APIs vulnerable to attacks. A data breach can lead to reputational damage and financial risks.

Excessive complexity

Complex APIs with an excessive number of endpoints or a tangled structure raise development and maintenance costs. They also make integration harder for partners, slowing the time to market for new services. A simple design — for example, using RESTful principles — cuts development time by 20%.

API Broker: Security and Efficiency for Your Business

KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

KT.Team helps enterprise teams with API, broker, architecture, design, benefits through discovery, architecture, implementation, integration and support.

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