Top API Management Software (September 2026)

1

SoapUI

Top pickFree plan

soapui.org

Best for QA teams testing SOAP and REST APIs

SoapUI is an open-source tool for testing SOAP and REST APIs, allowing users to create and run functional, regression, and load tests without writing code. It supports assertions, data-driven testing, and mock services to simulate API behavior during development. A commercial version, ReadyAPI, extends the tool with additional collaboration and reporting features. SoapUI is commonly used by QA engineers and developers who need to validate API functionality and performance before deployment, particularly in environments relying on SOAP-based web services alongside modern REST APIs.

• Functional and regression testing
• Mock services
• Data-driven test creation

2

Red Hat 3scale

redhat.com

Best for Enterprises managing hybrid or multi-cloud APIs

Red Hat 3scale API Management is a platform for managing, securing, and distributing APIs across hybrid and multi-cloud environments. It provides an API gateway, developer portal, access control, rate limiting, and analytics to help organizations expose internal services to partners or external developers. Built to integrate with Red Hat OpenShift and other infrastructure, it supports containerized and on-premises deployments alongside cloud setups. The platform suits enterprises and platform teams that need fine-grained control over API traffic, monetization options, and self-service developer onboarding, particularly those already invested in Red Hat's ecosystem or requiring flexible deployment topologies.

• API gateway
• Developer portal
• Traffic analytics & rate limiting

3

WSO2 API Manager

Free plan

wso2.com

Best for Enterprises needing self-hosted API management

WSO2 API Manager is an open-source platform for creating, publishing, securing, and analyzing APIs across their full lifecycle. It provides a developer portal, gateway, and API store, along with support for REST, SOAP, GraphQL, and streaming APIs. The platform can be self-hosted or deployed on containers and cloud infrastructure, giving organizations control over customization and data residency. It suits enterprises and platform teams that need to manage large, complex API ecosystems and prefer open-source tooling over proprietary SaaS-only solutions, particularly where integration with existing identity and infrastructure systems is required.

• API gateway and lifecycle management
• Developer portal and API store
• Support for REST, SOAP, GraphQL

4

Apigee

apigee.com

Best for Enterprises managing APIs at scale·Free trial

Apigee is an API management platform, part of Google Cloud, that helps organizations design, secure, publish, and monitor APIs. It provides an API gateway, developer portal for onboarding external and internal developers, traffic management, and analytics for tracking API performance and usage. Apigee also supports monetization features and policy enforcement for security and rate limiting. It is used by enterprises and mid-to-large organizations that need to expose APIs at scale, manage multiple backend services, and maintain visibility into API traffic across hybrid or multi-cloud environments.

• API gateway and traffic control
• Developer portal
• Analytics and monitoring

5

Axway

axway.com

Best for Large enterprises with complex integration needs·Free trial

Axway provides an API management platform, Amplify, that helps enterprises design, publish, secure, and monitor APIs across hybrid and multi-cloud environments. It includes an API gateway, developer portal, and analytics for tracking usage and performance. The platform also supports integration with legacy systems, making it suited to large organizations managing complex IT landscapes alongside modern API initiatives. Axway targets enterprise IT and integration teams needing governance, security policies, and lifecycle management for APIs at scale, rather than small businesses seeking lightweight or simple API tooling.

• API gateway
• Developer portal
• Usage analytics

6

Azure API Management

azure.microsoft.com

Best for Organizations building on Microsoft Azure infrastructure·Free trial

Azure API Management is a Microsoft Azure service for publishing, securing, and monitoring APIs. It provides a gateway for routing API traffic, along with a developer portal for documentation and API discovery. Administrators can define policies for rate limiting, authentication, and transformation of requests and responses. It integrates with other Azure services and supports hybrid and multi-cloud deployments. The tool suits organizations already using Azure infrastructure that need to expose internal or external APIs, manage versioning, and enforce governance across development teams.

• API gateway and routing
• Developer portal
• Policy-based traffic control

7

RapidAPI

Free plan

rapidapi.com

Best for Developers and teams consuming or publishing APIs

RapidAPI is an API marketplace and management platform that allows developers to discover, test, and connect to thousands of third-party APIs from a single hub. It also offers RapidAPI Enterprise Hub, letting organizations catalog and manage their internal and external APIs with access controls, analytics, and monetization options. The platform provides a unified dashboard for tracking API usage, keys, and billing across multiple providers. It suits developers seeking ready-made APIs as well as companies wanting to organize and distribute their own APIs internally or externally.

• API marketplace discovery
• Usage analytics dashboard
• Internal API cataloging

8

Moesif

moesif.com

Best for API-first SaaS and platform teams

Moesif is an API analytics and monetization platform that helps teams track API usage, monitor performance, and understand developer and customer behavior. It provides tools for usage-based billing, anomaly detection, and customer segmentation by combining API traffic data with business metrics. Moesif integrates with API gateways and SDKs across common programming languages, allowing teams to capture detailed request and response data for debugging and analysis. It is generally suited for API-first companies, platform teams, and SaaS providers that need visibility into API consumption patterns and want to align API usage with billing or product decisions.

• API usage analytics
• Usage-based billing support
• Anomaly and error detection