Sachintha R.

Co-founder and Research Director

Small-Business (50 or fewer emp.)

11/11/2022

"Highly scalable and agile API management solution"

4/5

What do you like best about WSO2 API Manager?

Very comprehensive cost-efficient API manager product with a lot of agility and scalability. Being free and open source was a great fit for us as a startup back in 2014. We could set up the on-premise solution by referring to the documentation and running since then without any major issues.

It works perfectly with identity management solutions and we used it to easily manage multiple APIs and applications. The JWT token-based claim resolving at the APIs was beneficial in managing user status in our restful API suite.

Also, the product stability /scalability is at a satisfactory level. The API publisher and store portal are very user-friendly and intuitive to manage by even a non-technical user Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

Product configuration needs in-depth technical knowledge and lacks documentation in some areas.

Also, the API monitoring and observability aspects need to be significantly improved as it values a lot when building enterprise-grade applications. Review collected by and hosted on G2.com.

What problems is WSO2 API Manager solving and how is that benefiting you?

Emojot is a multi-tenant SaaS application in the domain of customer-centric digital transformation domain. We had a challenge in finding highly scalable, versatile APIM solutions while being cost-efficient. WSO2 APIM was instrumental in providing solutions for all these key challenges we were facing in the API management domain.

We are securely managing multiple APIs of our enterprise-grade platform with the WSO2 API manager. We had a challenge in passing user claims to the backend services in a scalable and efficient manner and JWT claim handling became very handy and it worked nicely with the integration of the identity provider which we are using for user authentication.

Also, it makes us very efficient when exposing our APIs to clients in a secured manner. Review collected by and hosted on G2.com.

WSO2 API Manager Reviews & Product Details

WSO2 API Manager is an open-source, full lifecycle API management platform that helps organizations create, manage, secure, and analyze APIs and API products across any environment. Trusted for over a decade by global enterprises in banking, telecom, healthcare, and beyond, it enables digital innovation with the speed and scale today’s businesses demand. Built for hybrid and multi-cloud environments, WSO2 API Manager supports REST, SOAP, GraphQL, WebSocket, and streaming APIs, while offering flexible deployment options—on-premises, in the cloud, or across both. At its core is a single, unified control plane that centralizes governance, security policies, and traffic management across WSO2 Gateways (Universal, Immutable, Kubernetes) and third-party gateways via federation. Key capabilities include: ➡️ Open Source Freedom – Transparent, extensible, and free from vendor lock-in ➡️ Full Protocol Support – REST, SOAP, GraphQL, WebSocket, and event-driven APIs ➡️ Single Control Plane – Unified management and policy enforcement across native and federated gateways ➡️ Multi-Gateway Federation – Seamless integration with third-party gateways ➡️ Flexible Deployment Models – Cloud, on-prem, hybrid, or Kubernetes-native ➡️ FLAPIM Architecture –Managing APIs from design to retirement with speed and scalability ➡️ AI-Powered Productivity – Smart governance, API insights, and traffic management with AI ➡️ AI Gateway - Secured and managed access with comprehensive guardrails for LLM and AI Services ➡️ B2B API Management - Easy access to services or data in a controlled, scalable, and secure way for internal and external partners. WSO2 API Manager continues to evolve to support AI-driven automation, modern architectures, and developer-first experiences-empowering teams to build, govern, and scale their API ecosystems with confidence.

Product Website

Seller

WSO2

Discussions

WSO2 API Manager Community

Languages Supported

English

Overview by

Radhik Colombage

Value at a Glance

Averages based on real user reviews.

Time to Implement

5 months

View More Pricing Information

WSO2 API Manager Integrations

(4)

Verified by WSO2 API Manager

WSO2 API Manager Media

WSO2 API Manager Demo - Multiple API types

Support for multiple API types such as REST APIs, SOAP APIs, GraphQL APIs, Async APIs are provided. APIs can be created from scratch or by importing the API definitions.

WSO2 API Manager Demo - API Lifecycle Management

Inbuilt lifecycle management capabilities with predefined states representing the stages of the API from the beginning of its development to the retirement.

WSO2 API Manager Demo - Developer portal

Developer portal listing published APIs. Listed APIs can be grouped using tags and categories. Unified search is provided to search APIs using any attribute value of the API.

WSO2 API Manager Demo - Multiple Key Manager support

Support for built-in multiple Key Managers such as Okta, Keycloak, Auth0, PingFederate are provided to secure APIs. Extension points are available to plug in any custom key managers.

WSO2 API Manager Demo - API view in the developer portal

All the information related to an API such as documents, comments, URLs, etc. can be viewed in a single page

WSO2 API Manager Demo - Developer Portal Try Out functionality

Developers can use the API console in the developer portal to try the APIs before integrating it to their projects.

Official Downloads

(5)

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WSO2 API Manager Reviews (139)

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Harsha M.

Lecturer

Small-Business (50 or fewer emp.)

7/31/2025

"Seamless API Management with WSO2 API Manager: Empowering Modern Business Integration"

5/5

What do you like best about WSO2 API Manager?

WSO2 API Manager is an open source product that offers state of the art API management capabilities. What I like best is its ability to manage the entire API lifecycle in a seamless and efficient manner. It supports everything from API creation and deployment to monitoring and governance within a unified platform. With the integration of new AI features, WSO2 API Manager enhances productivity by intelligently assisting with design, security, and performance optimization. This makes it more effective than many other platforms when it comes to creating, deploying, and managing APIs at scale. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

There are no major dislikes, as WSO2 API Manager is a powerful and reliable platform. However, the documentation across different releases could be improved to enhance user friendliness. Clearer guidance and more consistent examples would help users, especially those new to the platform, to navigate features and configurations more easily. Review collected by and hosted on G2.com.

What problems is WSO2 API Manager solving and how is that benefiting you?

As a consultant helping organisations manage diverse APIs, WSO2 API Manager provides a unified platform that acts as a central layer for controlling API access, enforcing security policies, and ensuring proper governance. It simplifies the complexity of managing APIs across different systems by offering centralized monitoring, analytics, and lifecycle management. This not only improves operational efficiency but also enhances visibility and control, allowing organisations to deliver secure and scalable digital services more effectively. Review collected by and hosted on G2.com.

Dipti B.

Freelance Recruiter

Small-Business (50 or fewer emp.)

1/15/2023

"Best API Management platform with AI Capabilities"

5/5

What do you like best about WSO2 API Manager?

WSO2 API Manager series 4.5 is powered with AI capabilities such as API Chat for Api Developers to test the API, capabilities to connect with other gateways such as Amazon API Gateway, capability to connect AI gateway etc. The publisher portal has now support of AI Design assistant where we provide the prompt and the API design is created on the fly.

The deployment pattern has also been simplified with unified control plane. Earlier I had a challenge in logs and monitoring for WebSocket APIs, however v4.5 has solved the problem of the same. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

The latest release base version has come up with some known issues. Some of the observed issues can be resolved or functional can be improved for- Auto-cleanup of API subscriptions on AI Subscription Deletion, apictl usage issue while creating a new api, issue when changing the api provider via admin portal, Sometimes there is a timeout happening in clustered environment when retrieving the artefacts. Review collected by and hosted on G2.com.

What problems is WSO2 API Manager solving and how is that benefiting you?

We had some legacy and some services to be developed using java/spring-boot. WSO2 API Manager helped expose both kinds of services as REST and with no-code changes on legacy services via XML-JSON transformation.API governance for certain services was critical, and token-based API access helped manage the same. WSO2 APIM also helped in API Analytics for business decision-making towards monetising specific APIs. Review collected by and hosted on G2.com.

Kumar G.

Associate - Principal

Computer Software

Enterprise (> 1000 emp.)

5/23/2022

"AI Powered API Management with WSO2 API Manager"

4.5/5

What do you like best about WSO2 API Manager?

WSO2 API Manager has been significantly enhanced the product capabilities with industry standards. The latest release of WSO2 API Manager v4.5 has come up with API powered capabilities like- Create an API with design assistant, API chat to test the API, AI powered multi-model routing for different AI APIs definitely helps in optimal resource utilization. BYOG i.e. bring your own gateway support with WSO2 API manager is like a magic bullet to integrate existing gateways like AWS API Gateway or any custom one. We have tested out the feature and it work seamlessly.

I have also found the improvements in existing capabilities like role-based access control, improved logging and observability, auditing and API documentation. So now your API creator and publisher can see the key parameters missing while creating and publishing an API and that's a big move towards standardization of APIs.

GraphQL APIs creation has been simplified with the latest release.

The latest tutorials on their LMS portal (lms.wso2.com) is updated, so developers can quickly engage with the training and start using the features. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

Migration process can be improved. For API mocking capabilities are still lagging which is available in other platforms. Version 4.x is completely revamped, and I observed the backward compatibility is challenging. Devportal customization can be simplified. Review collected by and hosted on G2.com.

Recommendations to others considering WSO2 API Manager:

If you are planning for any API Management & Integration solution, WSO2 is the right choice which you can try at Zero cost. So I would suggest deploying WSO2 APIM and checking out the product features and doing some proof-of-concept as well. This will give more confidence towards product adoption. Review collected by and hosted on G2.com.

What problems is WSO2 API Manager solving and how is that benefiting you?

We are solving the problem of API management i.e. we had a use case where we needed to expose the business services via a secured layer with solid governance. We have deployed WSO2 API Manager and it has helped & benefited in the following ways-

1. Easy adoption; minimal effort to deploy WSO2 APIM

2. I have implemented fine-grained access control via scopes and has worked perfectly

3. WSO2 APIM has helped to secure more than 100 services with different types of cyber attacks.

4. WSO2 APIM provides centralized control on internal as well as external APIs Review collected by and hosted on G2.com.

Vincent V.

Software Architect & Team Manager

Enterprise (> 1000 emp.)

7/17/2025

"Review after 9 years usage."

4.5/5

What do you like best about WSO2 API Manager?

I have been using WSO2's API Manager product for over 9 years now, and I have followed its evolution since version 2.0.0. I have used version 2.0.0, then 3.2.0, 4.1.0, and currently version 4.5.0.

The product is a real asset and accelerator for managing our API catalog. We rely on its capabilities to provide both external public and internal private service catalogs. Beyond its numerous technical capabilities, the product supports us in managing and governing our API assets in the broadest sense.

Installation and getting started in standard mode is very easy and facilitated by extensive documentation available on the product website.

The implementation could be more tricky if you have special uses cases.

I recommend this product with a rating of 9/10, given that it is an open-source product, there is always room for improvement and evolution. WSO2 is a powerful and renowned publisher, and their teams are always available and do not hesitate to propose product updates if a client need makes sense to them.

I also recommend this product for its reliability in critical production environments, with an availability rate of approximately 99.97% to date. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

I don't necessarily have any drawbacks to address regarding the product.

The only drawback I can find is the weakness of the documentation around version migrations. Review collected by and hosted on G2.com.

Fatih E.

Managing Partner

Small-Business (50 or fewer emp.)

9/22/2022

"A Powerful Enterprise API Platform Delivering Best Practice Solutions for Our Customers"

4.5/5

What do you like best about WSO2 API Manager?

The latest advancements with AI-powered agents for API creation help reduce workload and minimize human errors, making the development process smoother and more efficient. This adds another layer of value on top of the core strengths we already rely on, and it complements the platform’s ease of use. From real-world customer use cases, I’ve observed WSO2 API Manager handling high traffic loads seamlessly and reliably, which demonstrates its enterprise-grade scalability and stability. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

While WSO2 API Manager is a strong platform, there are areas where improvements could make the developer experience smoother. For example, policy management can be time-consuming since adjustments often require multiple edits or manual steps, and having a more streamlined policy editing console would be very beneficial. Additionally, when working with SOAP services, the platform does not expose the WSDL endpoint externally and instead attempts to handle all services as REST APIs. This makes it challenging to directly access or integrate with the underlying SOAP definition. Addressing these types of usability gaps with incremental enhancements and clearer tooling would greatly improve overall efficiency. Review collected by and hosted on G2.com.

Vivek C.

Solutions Architect

Enterprise (> 1000 emp.)

2/7/2023

"A competitive API management and Analytics solution"

4/5

What do you like best about WSO2 API Manager?

Lot of enhancements going on and introducing new and latest features in API space. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

With any major release there is some product architecture changes and also new multiple offerings in API and integration space is creating confusion and long term solution is not clear for small to medium organizations that are not comfortable with rapid changes in products. Review collected by and hosted on G2.com.

What problems is WSO2 API Manager solving and how is that benefiting you?

WSO2 API Manager is a comprehensive solution for managing and delivering APIs. It addresses several key challenges faced by organizations in the API lifecycle, including API creation, API Publishing, API Security and API Monitoring.

Solving these key challenges, WSO2 API Manager benefits organizations by streamlining the API development and deployment process, improving security, and enabling better visibility and control over API usage. Review collected by and hosted on G2.com.

Suresh M.

Deputy manager digital system support

Enterprise (> 1000 emp.)

7/29/2025

"Highly Recommended for Flexible and Secure API Management"

5/5

What do you like best about WSO2 API Manager?

Open-Source and Cost-Effective:

It's one of the few full-featured, open-source API management solutions, which makes it budget-friendly compared to commercial alternatives.

Customizability and Extensibility:

WSO2 allows deep customization — you can tailor the API gateway, throttling policies, workflows, and even the user portals.

Built-In API Lifecycle Management:

It covers the full API lifecycle — from creation, testing, publishing, and deprecation — with good governance tools.

Rich Set of Features:

Includes advanced features like multi-tenancy, analytics, throttling, monetization, and integrated Identity Server for OAuth2, JWT, etc.

Good Integration Capabilities:

Easily integrates with other WSO2 products and external systems through connectors, REST APIs, and custom extensions.

Developer Portal:

The self-service API Developer Portal is well-designed and allows consumers to browse, test, and subscribe to APIs easily. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

Community Support is Limited:

Being open-source is a plus, but the community is not as large or responsive as those of better-known tools like Kong or Apigee. Enterprise support is available, but at a cost. Review collected by and hosted on G2.com.

What problems is WSO2 API Manager solving and how is that benefiting you?

Faster API development and deployment, reducing time-to-market.

Stronger security posture with built-in identity and access management.

Improved collaboration between API publishers and consumers via self-service portals.

Operational cost savings through automation and scalable architecture. Review collected by and hosted on G2.com.

Eranga P.

Head of IT

Enterprise (> 1000 emp.)

7/29/2025

"Being a long time user of WSO2 API Manager"

5/5

What do you like best about WSO2 API Manager?

I've been using WSO2 API Manager for a while now, and I can confidently say it's one of the best open-source API management solutions out there — especially if you're looking for something enterprise-grade yet customizable.

One of the biggest positives for me is the flexibility and extensibility it offers. Whether you're building APIs from scratch, managing existing services, or applying complex authentication and throttling policies, WSO2 lets you tweak things exactly the way you want. It integrates well with other systems (including identity providers, analytics platforms, and CI/CD tools), and the way it separates components like Publisher, Developer Portal, and Gateway gives you a lot of control over your architecture. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

One of the biggest challenges is the initial complexity like in setting it up.

Although the documentation is extensive, it’s not always clear. Review collected by and hosted on G2.com.

Gagan v.

Associate System Analyst

Small-Business (50 or fewer emp.)

12/16/2025

"Effortless API Management Across Multiple Platforms"

5/5

What do you like best about WSO2 API Manager?

Best part is that I can manage my APIs on various and vast tpe of platform like AWS gateway, Azure. Review collected by and hosted on G2.com.

What do you dislike about WSO2 API Manager?

Sometime I faced problem on the developer portal, when I test my APIs so some time it gives me error regarding some technical issue. Review collected by and hosted on G2.com.