If you're looking for a replacement for ApyHub Fusion, ReAPI is a good option. It's a full-featured suite of tools for designing, testing and documenting APIs, with AI-powered features. ReAPI's visual API designer is based on OpenAPI, and its no-code test case designer can handle complex logic flow, too. It's also got a serverless cloud runner, test reports and built-in debugging tools, so it's a good option for teams.
SmartBear is another good option. It's not as broad as ApyHub Fusion, but its tools are good for designing, testing and monitoring APIs. With products like SwaggerHub and PactFlow, it's got a good way to create and manage APIs, and its tools integrate with many other development tools. SmartBear's community approach and flexible pricing means it's good for developers and big businesses, too.
If you're more focused on API management, Kong is an all-in-one API gateway and service mesh. It's a good foundation for managing APIs securely, across clouds and teams, with features like real-time visibility, fine-grained security policies and built-in tools for fast API development and testing. Kong is flexible and has a lot of plugins, so it's a good choice for companies that want to make API management easier and more productive.
Last, Goptimise is a no-code API backend builder that lets you build powerful APIs with a visual interface. With automated workflows, AI-powered automation and customizable workspaces, Goptimise lets you get things done faster and handle the backend complexity. Its infrastructure scales, it's got strong security and basic integrations, too, so it's a good choice for productivity and shortening project schedules.