What are API management tools? 

API management tools help you control how different software systems in your organization interact with each other. They make sure your APIs (which allow apps to communicate) run smoothly and securely, while also letting you track their performance. These tools monitor how APIs are used, ensure only authorized access, and protect sensitive data. They also help manage different versions of your APIs as your system evolves, allowing for easy updates without interruptions. In short, API management tools provide the control and security you need to keep your digital systems connected and performing well. 

After evaluating more than 22 of the best API management software on the market today, we narrowed the list down to the six top tools for 2024: 

Also read: How to Use an API: Just the Basics

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Our picks for the best API management tools

Software

Score (Out of 5)

Best Use Case

Key Features

4.28

Microservice architectures

Lightweight API gateway, Plugin ecosystem, Kubernetes-native

Mulesoft logo.

Mulesoft Anypoint Platform

4.23

Large-scale API strategies

API-led connectivity, Salesforce integration, Full lifecycle management

Apigee logo.

Apigee

4.08

Comprehensive API lifecycle management

Advanced analytics, Protocol transformation, Traffic management

3Scale logo.

3Scale

4.02

Flexible and scalable API deployment

APIcast gateway, Red Hat OpenShift integration, API traffic control

4.01

Secure API integration

One-click security policies, Mediation and transformation, Multicloud deployment

3.91

Open-source API management

API builder, Rate limiting, OpenAPI specification generation

Kong logo.

Kong: Best for microservice architectures

Overall Score

4.28/5

Pricing

3.96/5

General features & interface

4.5/5

Core features

4.38/5

Advanced features

3.75/5

Integration & compatibility

5/5

User experience and compatibility

3.75/5

Pros

  • Highly scalable
  • Supports on-premises, cloud, hybrid deployments
  • Rich plugin hub
  • Supports declarative configuration management
  • Kubernetes support

Cons

  • Limited analytics
  • Developer portal lacks deep customization

Why we chose Kong

Kong is specifically optimized for microservices and cloud-native environments, making it an ideal choice for businesses looking to transition away from monolithic systems. Its Kubernetes-native capabilities allow for seamless deployment and management of APIs across containers, providing the agility and scalability that modern microservices require.

Kong’s plugin-based architecture is another key differentiator. With a wide range of pre-built and customizable plugins, you can tailor Kong to your specific needs—whether it’s security, traffic control, or analytics. This extensibility is particularly useful in microservices, where services often need to be independently managed and secured without causing disruptions to the overall architecture.

Kong also provides strong traffic management tools like load balancing and rate limiting, which are essential for ensuring reliable service in dynamic microservices architectures. While it lacks the deeper monetization and lifecycle management features of platforms like Apigee, Kong’s advantages lie in its scalability and modularity, making it easier to deploy and manage at scale.

Kong also wins against competitors like Mulessoft in terms of performance and low-latency API routing in high-traffic microservices environments. MuleSoft may be better suited for large-scale enterprise integrations, but Kong’s focus on lightweight efficiency and extensibility makes it the superior choice for businesses that prioritize speed and flexibility in their microservices infrastructure.

With flexible deployment options (cloud, hybrid, or on-premise) and a free plan available for smaller teams, Kong is powerful yet accessible. However, if you require more advanced API monetization features, alternatives like Apigee may be a better fit.

Also read: Top API Integration Platforms for 2024

Kong gateway: A cloud-native, low-latency API gateway optimized for high-traffic and distributed environments.

Plugin ecosystem: Extensive plugins for custom traffic management, security, and analytics functionalities.

Service discovery: Automatically registers and tracks services, enabling dynamic routing in microservices architectures.

Advanced security: Authentication, OAuth 2.0, JWT validation, and rate-limiting features.

Scalability: Easily scales across distributed systems, handling large volumes of API traffic.

Kubernetes-native: Built for seamless API management in Kubernetes environments​. 

Free plan available

Kong Konnect Plus: Starts at $250 per month

Kong Konnect Enterprise: Custom

Mulesoft logo.

Mulesoft Anypoint Platform: Best for large-scale API strategies

Overall Score

4.23/5

Pricing

2.29/5

General features & interface

5/5

Core features

5/5

Advanced features

4.17/5

Integration & compatibility

5/5

User experience and compatibility

3.75/5

Pros

  • Deep Salesforce integration
  • Flex gateway for microservices
  • Support for synchronous and asynchronous APIs
  • Apply and customize API policies
  • DataGraph feature aggregates multiple data sources into single API

Cons

  • Expensive for smaller teams
  • Limited customization for small-scale use cases

Why we chose Mulesoft Anypoint Platform

MuleSoft is the ideal solution for enterprises that need full-scale API lifecycle management combined with powerful integration tools. If your organization runs complex, large-scale systems with multiple applications in the cloud and on-premises, MuleSoft’s capabilities to unify and govern APIs across these environments will streamline your operations. It’s especially well-suited for industries like finance, healthcare, and retail, where integrating legacy systems with modern cloud services is essential.

The platform is great at connecting diverse systems and applications, both on-premises and in the cloud, making it ideal for enterprises dealing with complex, multi-environment integrations. The platform’s ability to handle large-scale, cross-cloud deployments sets it apart from many of its competitors, especially for organizations heavily invested in Salesforce, SAP, AWS, and other enterprise systems.

What makes MuleSoft particularly well-suited for large-scale operations is its Anypoint Flex Gateway and Anypoint Service Mesh, which enhance API management for microservices and distributed architectures. These tools ensure consistent security, access control, and monitoring across diverse systems, making it highly scalable. Additionally, MuleSoft’s API-led connectivity approach allows businesses to integrate data, applications, and devices seamlessly, which is a critical advantage over competitors like Apigee, which focuses more on API consumption rather than broader integration. Apigee is strong in advanced analytics and API monetization, but it lacks the same depth in integration capabilities and flexibility across environments, which is crucial for large-scale operations.

MuleSoft follows a custom pricing model, which varies based on the volume of API calls, the number of APIs managed, and additional features like connectors or deployment models. For example, MuleSoft’s Launch (Cloud) tier starts at around $1,800 per month, while the Growth (Cloud) plan is $3,800 per month, and the Scale (Cloud) plan is $6,800 per month. 

Enterprises can also opt for fully custom pricing, depending on the scope of their API management and integration needs. This pricing structure can be higher than alternatives like Apigee, but MuleSoft’s deeper integration options and comprehensive API governance justify the cost for large-scale operations.

However, while the addition of Anypoint Service Mesh has improved this aspect, platforms like Apigee still provide stronger microservices support, particularly for organizations focused primarily on API consumption rather than broader integration.

Also read: Common API Errors & How to Fix Them

Anypoint flex gateway: Provides a lightweight, ultra-fast gateway for managing and securing APIs across microservices architectures, both in the cloud and on-premises​.

Anypoint DataGraph: Allows developers to unify APIs into a single schema, enabling teams to query data from multiple APIs with one request without writing additional code​.

Anypoint runtime manager: Offers centralized monitoring and management of API performance, with built-in tools for tracking API health, diagnostics, and analytics.

API designer: A web-based graphical interface for designing, building, and testing APIs, which supports both REST and SOAP protocols, enhancing ease of development​.

Anypoint exchange: A centralized marketplace where developers can discover, share, and reuse APIs, connectors, templates, and other integration assets​

Anypoint security: Provides built-in security policies, including OAuth, JWT validation, and encryption to safeguard APIs and enforce access control policies across the platform. 

Custom

30-day free trial available

Anypoint Integration Starter and Anypoint Integration Advanced, which include a wide range of integration and API management capabilities, with prices typically starting around $57,000 per year for enterprise-level use. 

Apigee logo.

Apigee (Google Cloud): Best for comprehensive API lifecycle management

Overall Score

4.08/5

Pricing

2.29/5

General features & interface

4.75/5

Core features

5/5

Advanced features

3.75/5

Integration & compatibility

4.58/5

User experience and compatibility

3.75/5

User reviews

4.44/5

Pros

  • Compatible with any API architectural style (REST, gRPC, SOAP, GraphQL, and more)
  • Users can define rate plans for API products
  • Advanced API Security regularly assesses managed APIs and recommends solutions
  • Powerful traffic management tools
  • Comprehensive analytics suite

Cons

  • Not a cost-effective API management system
  • No version control

Why we chose Apigee

Apigee is well known for its ability to streamline the entire API journey—from design and deployment to security, monitoring, and retirement. It excels in full lifecycle API management, offering tools for versioning, monitoring, and governance so your APIs remain secure, scalable, and high-performing throughout their lifespan. This makes it especially valuable for industries where compliance and security are critical, such as healthcare and finance.

Another strength is Apigee’s developer-friendly tools and advanced analytics, which allow you to gain deep insights into API usage and performance. These tools help you optimize your API architecture for better response times and user experiences. Additionally, Apigee includes built-in security features like OAuth 2.0, API key management, and threat protection to safeguard your APIs against unauthorized access and attacks.

Compared to MuleSoft, Apigee focuses more specifically on API consumption rather than broader integration capabilities. MuleSoft’s Anypoint Platform is a better fit for organizations needing extensive integrations across various systems and services, but Apigee is undoubtedly better in scenarios where API management, security, and scalability are the primary concerns. Apigee also provides excellent API monetization tools, allowing you to define rate plans and track usage for revenue generation—something not as fully developed in MuleSoft.

Apigee’s Pay-as-you-go model is flexible, charging based on API usage, starting at $750 per node per month and scaling depending on the number of API calls, making it more accessible for businesses with fluctuating API demands. 

Also read: 5 Capabilities an API Management Tool Should Have

API proxies: Manage, secure, and scale APIs by creating API proxies that abstract backend services​.

Traffic management: Control API traffic with rate limiting, quotas, and caching to prevent overloads​.

Analytics: Monitor API performance and usage in real-time with Apigee’s analytics dashboards.

API gateway: Route, secure, and manage all API traffic through Apigee’s centralized API Gateway.

Monetization: Define rate plans and monetize APIs with built-in revenue generation tools​.

Protocol transformation: Convert legacy protocols like SOAP to REST or XML to JSON for easier integration. 

Apigee pricing is based on a Pay-as-you-go model

$750 per node per month for the API Gateway

$0.0002 per API call for the first 50 million API calls per month

$0.00001 per API call for over 500 million calls per month

3Scale logo.

Red Hat 3Scale: Best for flexible and scalable API deployment

Overall Score

4.02/5

Pricing

2.29/5

General features & interface

4.75/5

Core features

5/5

Advanced features

3.75/5

Integration & compatibility

4.58/5

User experience and compatibility

3.75/5

Pros

  • Support for multiple API standards
  • Comprehensive suite of features
  • All components supported in on-premises, cloud, or hybrid locations
  • Wide range of encryption, authentication, and authorization protocols
  • Hybrid cloud support for all components residing in on-premises software or the cloud
  • Access to life cycle technical support

Cons

  • Does not integrate machine learning or AI features for API optimization or advanced analytics
  • Higher pricing for small teams

Why we chose Red Hat 3Scale

Whether you’re working with on-premises, cloud, or hybrid environments, 3scale makes it easy to deploy and manage APIs across different infrastructures. Its APIcast gateway allows for high performance and traffic management, ensuring low latency and seamless scalability as your API usage grows.

3scale also enables businesses to scale horizontally, meaning you can add new API gateways as traffic increases without disrupting your existing services. This makes it particularly valuable for organizations that expect rapid growth or fluctuating API demand. Additionally, the platform integrates with Red Hat OpenShift, further enhancing its deployment flexibility by utilizing Linux containers for rapid and scalable API management​.

In comparison to platforms like Apigee, which focuses more on API lifecycle management, 3scale provides superior deployment flexibility and integration with other Red Hat tools like Red Hat Fuse. This makes it an excellent choice for businesses already invested in Red Hat’s ecosystem or those needing to integrate APIs across diverse environments.

3scale could improve its machine learning integration and advanced collaboration tools, which are not as robust as some competitors. However, if your primary goal is seamless, scalable deployment with strong integration capabilities, 3scale is a perfect fit. 

  • API traffic control: API traffic control feature provides users with better management of their traffic, security, and access policies. Users can also control their integrations with external self-managed or cloud components.
  • Red Hat Fuse integration: Integration with Red Hat Fuse provides more helpful capabilities for creating APIs and applications.
  • Red Hat OpenShift integration: Enables access to Linux containers, which are delivered at scale for APIs. 
  • ActiveDocs: Provides interactive, real-time API documentation that helps developers explore and test APIs directly from the documentation interface​.
  • APIcast Gateway: A flexible API gateway that can be deployed on OpenShift, Docker, or on-premises, ensuring security, traffic control, and authentication features​

30-day free trial available

Pro Plan: $750 per month

  • Manages up to 3 APIs with up to 5 admins
  • Includes up to 500,000 API calls per day and up to 5,000 developer accounts
  • Multiple users per account, with API and webhook access​.

Enterprise Plan: Custom pricing

  • Supports unlimited APIs and admins
  • Includes higher performance infrastructure, emergency phone support, full SLA, and single sign-on
  • Unlimited API calls and developer accounts
Akana logo.

Akana: Best for secure API integration

Overall Score

4.01/5

Pricing

2.29/5

General features & interface

4.75/5

Core features

5/5

Advanced features

3.75/5

Integration & compatibility

4.17/5

User experience and compatibility

3.75/5

User reviews

4.36/5

Pros

  • Cloud-agnostic system can be used in multiple cloud environments
  • Ability to control some on-premises and cloud workloads
  • Centralized platform to manage and understand disparate applications
  • Connection capability with many application development tools
  • Strong developer portal

Cons

  • High complexity for setup
  • Limited machine learning integration

Why we chose Akana

Support and PCI DSS certification, making it a go-to solution for organizations with strict regulatory needs. Whether you’re integrating internal systems or exposing APIs externally, Akana provides a scalable, secure environment with the flexibility to adapt as your API infrastructure grows​. 

Akana is a top plaster when it comes to centralized control of API integration, supporting a mix of REST, SOAP, and GraphQL endpoints. This makes it versatile for enterprises with diverse API styles. Its security measures, including OAuth, JWT, SAML, and LDAP support, also make it a top choice for industries where compliance and data protection are paramount, such as finance and healthcare.

Compared to platforms like Apigee and 3scale, which focus on API monetization and lifecycle management, Akana’s edge lies in its mediation and integration capabilities. It allows for seamless API transformations, such as converting SOAP to REST, and ensures end-to-end security with zero-code policy application. Apigee offers more advanced analytics and lifecycle tools, but Akana handles complex, multi-cloud deployments, ensuring consistent security without compromising performance better overall.

Akana’s continuous development has also brought real-time monitoring and enhanced compliance tools, such as open banking. 

API gateway: Provides advanced security and mediation across multicloud and hybrid environments​.

One-Click security policies: Quickly configures security policies like OAuth2, JWT, and mutual TLS​.

Full lifecycle API management: Manages the entire API lifecycle from creation to retirement​.

Mediation and transformation layer: Transforms APIs and converts between protocols such as SOAP to REST.

Real-time analytics: Offers automated, real-time analytics and monitoring across environments​.

Developer portal: Provides self-service API documentation and performance analytics. 

30-day free trial available

Custom pricing model

Fusio logo.

Fusio: Best for open-source API management

Overall Score

3.91/5

Pricing

4.17/5

General features & interface

3.75/5

Core features

4.06/5

Advanced features

2.92/5

Integration & compatibility

4.17/5

User experience and compatibility

3.75/5

User scores

4.52/5

Pros

  • Users can build APIs without coding from different sources
  • Users can charge for specific routes
  • Automatic SDK generation for clients
  • Automatically generates OpenAPI specifications for defined routes
  • Automatically create client SDKs for APIs

Cons

  • Does not scale as easily as enterprise-level solutions like Apigee or 3scale
  • Lack of a fully managed Cloud option
  • Basic developer collaboration features

Why we chose Fusio

Fusio provides a unique balance of power and simplicity, offering essential API management tools in a self-hosted, open-source environment, making it a standout solution for developers who prioritize data sovereignty and want to avoid vendor lock-in. Its API Builder allows you to generate APIs without coding, and features like OpenAPI support and rate limiting help make Fusio efficient and versatile for small to medium projects.

In comparison to proprietary solutions like Apigee and 3scale, which have the edge as far as enterprise-level management and scalability, Fusio gives developers more control and flexibility without the high cost. 

While Apigee is known for its advanced analytics and lifecycle management tools, it comes at a significantly higher price point, making Fusio a better fit for smaller teams or projects that need API management but don’t require complex, large-scale features​. 

On the other hand, 3scale is highly scalable and offers integration with Red Hat OpenShift, but Fusio wins with its free version and transparent, affordable pricing tiers starting at $19 per month for cloud-hosted plans. 

Fusio provides a solid mix of essential and advanced features such as SDK generation for multiple programming languages, and APIcast gateway for seamless API traffic management. 

At each pricing tier, Fusio offers varying levels of access, with the self-hosted version being free, while cloud-hosted plans offer extended features starting at just $19 per month. While Fusio lacks advanced machine learning integration or enterprise-level collaboration tools found in competitors like Apigee, it more than makes up for it by being accessible, developer-friendly, and highly customizable, making it a strong choice for open-source API management. 

API builder: Allows you to automatically generate APIs without coding, offering flexibility in creating endpoints from various data sources​.

Developer portal: Provides a ready-to-use developer portal where external developers can register, access your API, and interact with it efficiently.

SDK generation: Can automatically generate client SDKs for various programming languages like JavaScript, PHP, and Java, simplifying API integration for developers​.

Rate limiting: Includes rate limiting functionality, allowing users to control traffic based on specific users or applications​.

OpenAPI and TypeAPI specification generation: Automatically generates OpenAPI and TypeAPI specifications for your defined routes, making API documentation easier to manage

Monetization: Includes built-in monetization tools, allowing you to charge for specific API routes, and providing flexibility for different business models​. 

Free self-hosted version available

Starter Plan: $19 per month for basic cloud hosting.

Standard Plan: $49 per month, which provides enhanced features.

Pro Plan: $99 per month, designed for larger, more complex projects requiring advanced features​

TechnologyAdvice is able to offer our services for free because some vendors may pay us for web traffic or other sales opportunities. Our mission is to help technology buyers make better purchasing decisions, so we provide you with information for all vendors — even those that don’t pay us.

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Why do businesses need API management software?

Businesses need API management software to control and optimize the way their APIs function. 

APIs are critical for connecting various applications, services, and systems, but without proper management, their complexity can lead to inefficiencies, security risks, and integration challenges.

API management software ensures that businesses can monitor, secure, and scale their APIs seamlessly. This software provides centralized control, allowing you to manage access, track performance, and analyze usage. By doing so, you can optimize how your APIs are utilized, detect issues early, and prevent potential disruptions to your systems. It also helps with security, ensuring that sensitive data is only accessed by authorized users, which is vital in a world where APIs are exposed to both internal and external users.

Another benefit of API management tools is that they help you maintain the health and performance of your APIs across hybrid environments, connecting both on-premises and cloud-based applications. With this, you can facilitate smooth communication between various systems, regardless of where they are hosted. Additionally, API management simplifies the process of scaling and making adjustments to your applications, so you can respond more quickly to changes in customer demands or operational needs. 

How to choose the best API management software

With the right API management platform, you can streamline the creation, monitoring, and security of their APIs. 

By centralizing control, these platforms enhance security, ensure efficient data flow, and simplify the management of both cloud and on-premises applications. Additionally, API management solutions help businesses scale, improve developer collaboration, and provide real-time analytics for better decision-making​. 

MuleSoft Anypoint is ideal for large-scale strategies with complex integrations, while Apigee excels at comprehensive API lifecycle management across cloud and on-premises environments. For those managing microservices, Kong offers flexibility and scalability with an open-source foundation. 3Scale provides robust deployment options suited for hybrid cloud environments, while Fusio offers a cost-effective open-source solution. Lastly, Akana is perfect for secure API integration, ensuring strong protection for enterprise-grade APIs​. 

And remember, when choosing the best API management software, always consider your business’s specific needs, such as security, scalability, and ease of integration, and go from there as you navigate the features of each tool. 

Frequently Asked Questions (FAQ)

What is API management software? 

API management software helps organizations create, secure, monitor, and manage their APIs to ensure they are efficient, scalable, and secure for both internal and external use​.

How do I choose the best API management software? 

To choose the best API management software, consider factors like scalability, security features, integration capabilities, developer support, and pricing​.

What is the best API software? 

There isn’t one definitive “best” API software, but platforms like Apigee, MuleSoft, and Akana are recognized leaders, each excelling in areas like lifecycle management, security, or integration​.

REST APIs are the most widely used due to their simplicity, scalability, and compatibility with web standards​.

Which are the two most used APIs? 

REST and SOAP APIs are among the most commonly used, with REST being favored for web services and SOAP often used in enterprise systems.

What is the difference between API and REST API? 

An API is a general set of protocols for building software interactions, while a REST API specifically follows the REST (Representational State Transfer) architecture, making it more suited for web services​.