Best API.stream Alternatives — 12 Compared, With Free Tools (2026)

What is Bandwidth?

Bandwidth is a cloud communications API platform used by enterprise software development and telecom teams to embed voice, messaging, and emergency 911 services directly into applications. Unlike aggregators, it operates its own carrier network, giving businesses more control over call quality, ...

What is SwaggerHub?

SwaggerHub is API management software for companies whose mission is to create and manage great APIs. It is easy to use in that it saves the time of having to write code or configure servers, but it has the power to automate repetitive tasks, verify security and performance requirements, and ...

What is People Data Labs?

People Data Labs, Inc. has been connecting people and data via its People Data Platform since 2006 specializing in identity resolution, authorization, attribute management, and data science solutions. The easy-to-use People Data Labs API Management Software pushes out predefined changes to the ...

What is Verj.io?

API Management Software that allows developers to collaborate on API projects with team members, clients, or partners. Features include Brings Dev, QA, and Support teams together by allowing them to work in parallel, Runs on a graphical user interface (GUI), meaning user can create and manage ...

What is CA API Management?

CA API Management is a web application service that enables companies to build and manage APIs. This software uses Web services technologies, Cloud computing, and DevOps methodology to make development, deployment and management of secure enterprise-class APIs easy. The software provides API ...

What is Postman?

Postman is an API development and testing platform used by backend developers and QA engineers to design, test, document, and monitor APIs across teams. It centralizes API collections, enables automated test runs, and supports collaboration on shared environments and request schemas. The free ...

What is Stoplight?

Stoplight is the API Management software company. It enable enterprises to rapidly create, manage and monitor their APIs. It give developers a unified toolset for building, testing and monitoring their APIs throughout the development lifecycle to the management of production applications. Using ...

What is Kong?

Kong is API management software, that allows Web and Mobile applications to access data, content and functions published by 3rd party providers. Kong works with any Public or Private API as well as any type of data source including RESTful HTTP services, Web Services, databases, message ...

What is WSO2 API Manager?

WSO2 API Manager is an open source API management platform that enables enterprises to expose their APIs for business-to-consumer and business-to-business services, via a well-designed user interface. A well-designed programmatic interface makes it easy for developers to consume userr APIs from ...

What is MuleSoft Anypoint Platform?

A new generation platform for API Management, Anypoint is designed to help large enterprises develop and manage APIs through an open, standards-based framework. It enables users to create a multi-tenant, multi-vendor network of service repos that can be reached without network or per-user code ...

What is Apigee Edge?

Apigee Edge is Google's enterprise API management platform used by large engineering teams to design, secure, and monitor APIs across cloud and hybrid environments. It handles TLS and OAuth security, rate limiting, load balancing, and request/response transformation at the gateway layer. Strong ...

What is DreamFactory?

DreamFactory is an open-source API management platform that auto-generates REST APIs from relational databases, NoSQL stores, and third-party services, used by backend developers and IT teams who need to expose existing data sources as APIs without writing boilerplate code. It handles ...