Best RepreZen API Studio Alternatives in 2025
Find the top alternatives to RepreZen API Studio currently available. Compare ratings, reviews, pricing, and features of RepreZen API Studio alternatives in 2025. Slashdot lists the best RepreZen API Studio alternatives on the market that offer competing products that are similar to RepreZen API Studio. Sort through RepreZen API Studio alternatives below to make the best choice for your needs
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Tyk is an Open Source API Gateway and Management Platform that is leading in Open Source API Gateways and Management. It features an API gateway, analytics portal, dashboard, and a developer portal. Supporting REST, GraphQL, TCP and gRPC protocols We facilitate billions of transactions for thousands of innovative organisations. Tyk can be installed on-premises (Self-managed), Hybrid or fully SaaS.
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Blackbird API Development
Ambassador
$69/month Accelerate the development of APIs that are ready for production. AI-Powered Code Generating, Mocking within Minutes and On-Demand Ephemeral Testing Environments. With Blackbird's proprietary technology and simple, intuitive tools, you can Spec, Mock and Write Boilerplate code faster. Validate your specs, run tests on a live environment and debug in Blackbird with your team. This will allow you to deploy your API with confidence. You can control your own test environment, whether it's on your local machine, or in the dedicated Blackbird Dev Environment. This is always available to you in your Blackbird account and there are no cloud costs. OpenAPI standardized specs are created in seconds, so you can begin coding without spending time on your design. Mocking that is dynamic, sharable and easy to share in minutes. No need to manually write code or maintain it. Validate and go. -
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DreamFactory
DreamFactory Software
$1500/month DreamFactory is a REST API Management Platform. Auto Generate REST APIs. A cloud-based or on-premise API generation platform that is enterprise-grade. Instantly generate database APIs to build faster applications. The biggest bottleneck in modern IT is eliminated. Your project can be launched in weeks instead of months. DreamFactory creates a secure, standardized and reusable, fully documented, live REST API. DreamFactory can integrate any SQL or NoSQL file storage system or SOAP service. It instantly creates a RESTAPI with Swagger documentation, user role, and more. Every API endpoint is secured with User Management, Role Based Access Controls, SSO Authentication and Swagger documentation. Rapidly create mobile, web and IoT apps using REST-based APIs. DreamFactory offers example apps for iOS, Android and Titanium. -
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Gravitee.io
Gravitee.io
$2500 per monthGravitee.io, the most cost-effective, performant, and cost-effective Open Source API Platform, allows your organization to securely publish, analyze, and secure your APIs. Gravitee.io's OAuth2 OpenID Connect (OIDC), and Financial-grade API(FAPI) certified servers allow you to manage your identities. Gravitee.io APIM allows you to control precisely who, when, and how your APIs are accessed by your organization. It is lightweight, flexible, and lightning-fast. Gravitee.io allows you to manage, monitor, deploy, and secure your APIs with strong governance features like API review and API quality. Your API consumers can fully engage with your business through a Gravitee.io portal. This will ensure high quality engagement in the digital age. -
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Redocly
Redocly
$69 per monthExperience stunning API documentation that is cherished by both teams and users alike. Finally, you can create API documentation that your entire team can take pride in. In mere seconds, you can publish visually appealing API reference documents and customize them in just a few minutes. Instantly satisfy developers with essential features such as three-panel layouts, an interactive try-it console, automatically generated code snippets, SEO optimization, and an intuitive search function. Everyone knows that outdated documentation and scope creep can lead to frustration. Keep your API documentation up-to-date by integrating your preferred source control with our cloud-based workflows. Our platform is compatible with a wide range of options, including on-premise solutions and various API management systems. Set up a comprehensive developer portal within minutes by leveraging your API definitions as valuable assets. Enhance the experience with tutorials, quick-start guides, and developer tools, all while enjoying extensive customization options. Ensure your API definitions are validated, linted, and bundled seamlessly, allowing for the creation of consistently on-spec OpenAPI documents. Connect your API reference and tailor every detail to impress your API consumers, ultimately fostering a more engaging and productive environment for developers. With these capabilities, your documentation will not only serve its purpose but also become a pivotal resource for ongoing collaboration. -
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create-api.dev
Kong
FreeCreate-API.dev is an innovative tool powered by AI, developed by Kong, that enables users to swiftly create high-quality OpenAPI specifications through an intuitive chat interface. By simply communicating your intended endpoints or a rough concept, the service utilizes a sophisticated Google LLM to produce comprehensive, standards-compliant OpenAPI definitions that are ready for sharing, testing, and deployment. This web-based application is lightweight and requires no installation, allowing for easy access from anywhere. The outputted specifications can be seamlessly exported in standard YAML or JSON formats, facilitating integration with existing API gateways and documentation processes. Furthermore, Create-API.dev adheres to Google’s Generative AI Prohibited Use Policy, emphasizing the importance of exercising caution before using or publishing any content generated by AI, highlighting the necessity for human oversight in the final implementation. Users can confidently leverage this tool while remaining mindful of the guidelines to ensure optimal results. -
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API Agent
IBM
The API Agent in IBM API Connect serves as a powerful assistant driven by watsonx.ai, streamlining essential functions throughout the entire API lifecycle through an intuitive conversational interface. It operates on an agentic framework, enabling teams to quickly create OpenAPI specifications, generate mocked responses, and produce comprehensive documentation for design-oriented projects. Additionally, it facilitates seamless connections to backend data sources, aids in application code development, and allows for automatic deployment to Code Engine for code-focused workflows, all while requiring no manual configuration. To address the challenges of API sprawl, the API Agent effectively searches through your existing API catalog using straightforward description prompts, recommending reusable endpoints and minimizing redundancy. It also strengthens governance by ensuring that specifications comply with organizational guidelines, providing suggestions or making necessary corrections autonomously. Furthermore, it enhances quality assurance with an integrated testing suite that generates and executes semantic test cases, enabling the early detection of potential issues and contributing to a more robust API management process. Overall, the API Agent is a comprehensive solution that significantly improves efficiency and quality in API development and management. -
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SwaggerHub
SmartBear
$90 per monthSwaggerHub is a comprehensive platform that integrates API design and documentation, specifically crafted for teams to maintain uniformity and discipline throughout the API development process. Enhance your team's design efficiency while preserving quality and consistent organizational style through a robust Editor that adheres to the latest Swagger (OpenAPI) specifications. This powerful Editor features intelligent error feedback and automatic syntax completion to streamline the coding process. Additionally, it includes Style Validators to maintain design uniformity across various APIs. With API Mocking, teams can simulate operations without the need for actual code. The Domains feature allows for the storage, reuse, and referencing of common OAS syntax across multiple APIs, promoting efficiency. Centralizing your API design and development in one location enables seamless collaboration among team members on new projects and easy discovery of existing APIs. Manage the entire API lifecycle through a single, centralized internal repository hosted in the cloud, which enhances accessibility and coordination among team members. By utilizing SwaggerHub, teams can significantly improve their workflow and foster innovation in API development. -
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Swagger
SmartBear
Enhance the efficiency of API development for individuals, teams, and large organizations using the Swagger open-source and professional suite of tools. Discover how Swagger can assist in designing and documenting APIs effectively on a large scale. The strength of Swagger tools is rooted in the OpenAPI Specification, which serves as the industry standard for designing RESTful APIs. There are various tools available to create, modify, and share OpenAPI definitions with different stakeholders. For comprehensive support of OpenAPI workflows, SwaggerHub serves as the platform solution that scales effectively. Millions of API developers, teams, and enterprises have benefited from Swagger's tools to create exceptional APIs. With Swagger, you gain access to the most robust and user-friendly tools that leverage the full potential of the OpenAPI Specification, ensuring a seamless development process that can adapt to evolving needs. -
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Apitive Studio
Apitive
Create, document, prototype, and launch your APIs using the OpenAPI 3.0 standard with ease. The user-friendly interface empowers individuals to intuitively craft REST APIs, enabling product managers to operate with minimal reliance on engineering teams, thereby accelerating the time to market. The Workbench features an advanced review tool that facilitates peer feedback on submitted API designs. Apitive Studio promotes enterprise-wide standardization of interface design by enabling the creation of reusable data models and global policies, which can be shared across multiple products to ensure consistency in API designs and implementations. Effective API designs hinge on thorough documentation; thus, the platform automatically generates comprehensive API documentation in web format, catering to both technical and business audiences. Additionally, Apitive Studio conveniently hosts this documentation at designated locations for easy access, streamlining the process and conserving valuable resources. Engage with external consumers to promote your APIs and receive immediate validation, ensuring they meet market needs. By leveraging these features, organizations can enhance collaboration and efficiency in their API development processes. -
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NSwag
Rico Suter
FreeNSwag serves as a robust toolchain for working with Swagger/OpenAPI versions 2.0 and 3.0, designed for environments like .NET, .NET Core, ASP.NET Core, and TypeScript, and it is developed in C#. This tool empowers developers to create OpenAPI specifications directly from their existing API controllers and subsequently generate client code based on those specifications. By merging the capabilities typically offered by Swashbuckle for OpenAPI/Swagger creation and AutoRest for client generation, NSwag streamlines the process into a single, efficient toolchain. Among its notable features are the ability to produce both Swagger 2.0 and OpenAPI 3.0 specifications from C# ASP.NET (Core) controllers, the option to serve these specifications through ASP.NET (Core) middleware while providing integrated interfaces like Swagger UI or ReDoc, and the capability to create C# or TypeScript clients/proxies from the generated specifications. Furthermore, NSwag accommodates a variety of usage options, including a user-friendly graphical interface known as NSwagStudio, command-line tools that work across Windows, Mac, and Linux platforms, and seamless integration into C# projects through NuGet packages, making it a versatile choice for developers. With its extensive functionality, NSwag significantly enhances the efficiency of API development and client generation. -
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Swagger Codegen
SmartBear
FreeSwagger Codegen streamlines your development workflow by automatically generating server stubs and client SDKs for any API outlined in the OpenAPI specification, allowing your team to concentrate more effectively on implementing and promoting your API. Transitioning from design to development is remarkably simplified when using Swagger Codegen within SwaggerHub, where you can create stubs in widely-used programming languages such as Java, Scala, and Ruby with minimal effort, requiring just a few clicks to get started. This efficiency not only saves time but also enhances collaboration among team members throughout the API lifecycle. -
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AutoRest
Microsoft
FreeAutoRest is a powerful tool that facilitates the generation of client libraries for interacting with RESTful web services. It requires a specification that outlines the REST API using the OpenAPI format, enabling the streamlined production of client code in various programming languages like C#, Java, Python, TypeScript, and Go. By automating this process, AutoRest significantly improves consistency and efficiency in API usage, thereby minimizing the manual labor involved in creating and maintaining client libraries. The tool utilizes a versatile pipeline to process OpenAPI input files, converting them into a code model that language-specific generators then use to create client code that conforms to the design principles of each language. Supporting both OpenAPI 2.0 and 3.0 specifications, AutoRest ensures broad compatibility with numerous APIs. Additionally, developers can easily install AutoRest on any major operating system, including Windows, macOS, or Linux, using the Node.js package manager for a straightforward setup experience. This accessibility makes it an invaluable resource for developers looking to streamline their API integration processes. -
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Procurement Service Bus (PSB)
eConnect
The Procurement Service bus (PSB), a cloud-managed connection to eDelivery networks such as the Peppol network, provides a cloud-managed connection to the Procurement Service Bus. Designed for large volumes, low latency, and automatic scaling. Designed with redundancy in mind and high availability. The shared cloud approach is centrally managed to ensure optimal utilization and predictable cost. Additional services are available, like target-transformation, automatic retry and party discovery. The Procurement Service Bus does more than provide AccessPoint As A Service (APAAS) services. We connect the Peppol network to the enterprise systems. The interface is built on OAUTH 2.0 layer and REST. The API's are easy to understand and are made visible by the OpenApiUI. The swagger.json file is available on the OpenAPI UI main webpage and can be used for generating code in many languages. We recommend OpenAPI Generator if you want to generate code. -
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Insomnia
Kong
$5 per monthCraft, troubleshoot, and evaluate APIs with a human touch rather than a mechanical approach. At last, a workflow that you'll genuinely appreciate. Introducing the Collaborative API Design Tool, which provides a platform for creating, validating, and overseeing OpenAPI specifications. This Desktop API client facilitates interactions with both REST and GraphQL. You can make requests and analyze responses seamlessly. Effortlessly create and organize your requests, set up environment variables, manage authentication, produce code snippets, and much more. Dive deep into response details—explore the entire request timeline, including status codes, body, headers, cookies, and additional information. Organize your project with workspaces, folders, and environments, utilizing a drag-and-drop interface for requests, along with straightforward data import and export options. Within a single collaborative API design editor, you can create, modify, lint, troubleshoot, preview, and manage your OpenAPI specifications. Additionally, generate configurations for popular API gateways such as the Kong API Gateway and Kong for Kubernetes. Synchronize your API designs with version control systems like GitHub or GitLab, and deploy directly to API gateways such as Kong with just a click, streamlining your development process significantly. This tool not only enhances productivity but also fosters collaboration among teams in designing robust APIs. -
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OpenAPI Generator
OpenAPI Generator
FreeOpenAPI Generator is a versatile open-source utility that facilitates the automatic generation of client libraries, server stubs, API documentation, and configuration files based on an OpenAPI Specification (OAS) document. With support for numerous programming languages and frameworks, it streamlines the process for developers looking to incorporate APIs into their applications efficiently. By automating the generation of boilerplate code, OpenAPI Generator not only shortens development time but also promotes uniformity in API interactions. This empowers teams to concentrate on executing business logic instead of getting bogged down by repetitive tasks such as data serialization, deserialization, and managing HTTP requests. The tool is particularly valuable in API-driven development scenarios, enhancing the integration of third-party services and making it easier to maintain alignment between API consumers and providers. Ultimately, OpenAPI Generator serves as a crucial resource for development teams aiming to boost productivity and ensure high-quality API integrations. -
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We are revolutionizing API & MCP management for everyone, from startups to enterprises. - Add authentication, analytics, and developer documentation in minutes with our gitops powered deployment flow - Move Fast: Add protection to your API quickly with built-in policies for API key authentication, OAuth, rate-limiting, and more - Programmable: Zuplo is fully extensible; you can write code for your routing and custom policies directly at the gateway - Global Deployment: Zuplo is built on the edge, and is deployed in 300+ data centers around the world with one git push. This makes multi-cloud deployments a first-class experience. Zuplo allows you to run different workloads on different clouds, while maintaining a uniform set of API policies. - OpenAPI-native: Zuplo is the only gateway that runs OpenAPI directly. Use the OpenAPI ecosystem for your API and deploy it directly to Zuplo. - Developer Portal: Zuplo generates beautiful documentation for your API. You can customize your docs using markdown, and developers can self-serve their API Keys right from your docs. - MCP: You can directly generate hosted MCP servers from your OpenAPI and build custom MCP tools directly into Zuplo. We'll take care of the hosting and security. - Monetization: Turn your services into API products. Zuplo allows you to build a self-service monetization flow for Usage-based or Subscription billing.
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Google Cloud Endpoints
Google
Cloud Endpoints allows you to create, launch, safeguard, and oversee your APIs effectively. With a robust NGINX-based proxy and a distributed framework, it ensures exceptional performance and scalability. By utilizing either an OpenAPI Specification or one of the provided API frameworks, Cloud Endpoints equips you with essential tools for every stage of API development while offering valuable insights via Cloud Logging, Cloud Monitoring, and Cloud Trace. You can manage access to your API and authenticate each request using JSON Web Tokens and Google API keys. Additionally, seamless integration with Auth0 and Firebase Authentication enables user identification for your web or mobile applications. The Extensible Service Proxy guarantees security and analytics in under 1 millisecond per request. You can effortlessly deploy your API using App Engine and Google Kubernetes Engine or incorporate our proxy container into your Kubernetes setup. Furthermore, you can track essential operational metrics through the Google Cloud Console and obtain deeper insights into user behavior and usage patterns utilizing Cloud Trace, Cloud Logging, and BigQuery. This comprehensive approach ensures that your APIs are not only secure but also optimized for performance and usability. -
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Apidog provides a comprehensive suite of tools that streamlines the entire API lifecycle, empowering research and development teams to adopt optimal practices for API Design-first development. Users can design and troubleshoot APIs using a robust visual editor, paired with JSON Schema support for straightforward descriptions and debugging. The platform automates the API lifecycle through features such as test generation from API specifications, visual assertions, built-in response validation, and integration with CI/CD pipelines. Additionally, it allows for the creation of visually appealing API documentation, which can be published to a custom domain or securely shared with collaborative teams. With a local and cloud mock engine, Apidog generates realistic mock data based on field names and specifications, eliminating the need for script writing. High-quality tools are essential for fostering team collaboration while preventing redundant tasks. Users can easily describe their API during testing, generating JSON/XML schemas with just a click, and can generate test cases from APIs, visually add assertions, and create complex test scenarios with branches and iterations with remarkable ease. This seamless integration of features ensures that teams can focus on innovation rather than repetitive tasks.
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NoCodeBackend
NoCodeBackend
$49 per monthNoCodeBackend is an intuitive, AI-driven platform designed for the swift creation of production-ready APIs without the need for coding. With a simple interface, users can easily set up databases, tables, and columns, while the platform automatically generates the necessary API endpoints. By utilizing AI-assisted prompts, NoCodeBackend enables users to articulate their API requirements effectively, allowing the system to manage the development seamlessly. Furthermore, the platform provides automated documentation through Swagger, ensuring that the API documentation is both clear and comprehensive, which enhances the overall experience for developers. This innovative approach not only saves time but also empowers users to focus on building their applications without technical barriers. -
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tap
Digital Society
$10/month Effortlessly convert your spreadsheets and data files into efficient, production-ready APIs without the need for backend coding. Simply upload your data in formats like CSV, JSONL, or Parquet, use intuitive SQL commands to clean and join your datasets, and instantly create secure and well-documented API endpoints. The platform offers various built-in functionalities, including automatically generated OpenAPI documentation, API key-based security, geospatial filtering with H3 indexing, usage analytics, and high-speed query performance. Additionally, you can download the transformed datasets at your convenience, ensuring you are not locked into any vendor. This solution accommodates everything from individual files and merged datasets to public data portals with minimal configuration required. Key features include: - Effortless creation of secure and documented APIs directly from CSV, JSONL, and Parquet files. - The ability to execute familiar SQL queries for data cleaning, joining, and enrichment. - No need for backend setup or server maintenance, making it user-friendly. - Automatic generation of OpenAPI documentation for every endpoint established. - Enhanced security with API key protection and isolated data storage. - Advanced geospatial filtering, H3 indexing capabilities, and fast, scalable query optimization. - Supports a range of data integration scenarios, making it versatile for various use cases. -
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DapperDox
DapperDox
FreeDapperDox is an open-source tool that offers an extensive, ready-to-use rendering of your OpenAPI specifications, effortlessly merging them with your documentation, guides, and diagrams formatted in GitHub-flavored Markdown. Transform the way you publish your API Swagger specifications and manage multiple API specifications as a cohesive suite of products, with the ability to cross-reference them as needed. Its built-in API explorer facilitates experimentation directly from the documentation pages and integrates smoothly with your authentication and API key setup. Additionally, DapperDox can serve as a proxy for your developer platform, ensuring a seamless process for API key generation and management alongside your specifications and guides. You can customize themes to showcase your documentation in your preferred style. Created by authors dedicated to API documentation, DapperDox aims to enhance the quality and usability of the documentation available to developers, ultimately fostering a better understanding and interaction with APIs. This focus on usability ensures that both novice and experienced developers find value in the platform, making it a versatile tool for any API project. -
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Mockoon
Mockoon
Mockoon provides a wide array of features that simplify the process of API mocking significantly. By downloading the latest version of Mockoon, you can begin crafting mock APIs immediately! You have the flexibility to create an unlimited number of mock APIs, each with countless routes, and can run them simultaneously. Additionally, the command-line interface (CLI) enables you to execute your mock APIs in various automated environments, such as servers, CI/CD pipelines, and GitHub Actions. The tool supports importing and exporting mock APIs in the Swagger/OpenAPI format, streamlining integration with other platforms. You can configure your mock APIs to deliver multiple responses based on specific rules or randomly, complete with any headers, body content, or HTTP status codes you choose. Furthermore, Mockoon allows you to serve your mock API over a secure TLS connection using a self-signed certificate. You can customize your routes by adding specific response headers and enjoy features like auto-completion for ease of use. The application also lets you introduce latency at both the environment and route levels, or even combine both settings for more nuanced testing. To assist with troubleshooting, all incoming requests and outgoing responses are meticulously logged, making debugging much simpler. In addition, Mockoon's proxy mode can redirect any undefined routes to a designated host, ensuring that your mock environment remains functional. Finally, it also includes file serving capabilities, complete with automatic MIME type detection and support for templating, enhancing the versatility of your mock API setup. -
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42Crunch
42Crunch
The true asset in your intelligence framework lies not in AI, but in the expertise of your developers. Equip them with the necessary tools to take charge of API security, ensuring consistent and exceptional protection throughout the entire API lifecycle. Integrate your OpenAPI definition seamlessly into your CI/CD pipeline to enable automatic auditing, scanning, and safeguarding of your API. By evaluating your OpenAPI/Swagger file against over 300 security vulnerabilities, we will prioritize them according to severity and provide precise remediation instructions, thus embedding security into your development processes effortlessly. Implement a zero-trust architecture by verifying that all APIs adhere to a defined security standard prior to production, actively scanning live API endpoints for potential risks and automating redeployment as needed. Maintain the integrity of your APIs from the design phase to deployment, gaining comprehensive insights into attacks targeting APIs in production, while also defending against threats without compromising performance. This proactive approach to security not only strengthens your defenses but also fosters a culture of vigilance within your development team. -
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SuperCore
SuperCore
Introducing the innovative core banking solution designed for forward-thinking banks, SuperCore® serves as a cloud-native platform that empowers financial institutions to gain deeper insights into their customers, expedite product launches, maximize data utilization, and provide cohesive experiences. This Software as a Service (SaaS) managed offering can be accessed worldwide through AWS, streamlining deployment, integration, and operational management. Consequently, banks can significantly lower their service costs while benefiting from a no-code product builder that allows for rapid product development. Additionally, the platform features a real-time events stream that yields timely customer insights, enhancing decision-making processes. With an API-first design, it enables effortless integration across various channels and applications. Its adaptable microservices architecture is modular and configurable, supported by a unified data model that ensures longevity in technology solutions. The inclusion of SmartAdapters, developed in JavaScript and accompanied by OpenAPI Swagger documentation, future-proofs the platform further, complemented by pre-built integrations and modules that accelerate the path to going live. This comprehensive approach positions SuperCore® as an essential tool for banks aiming to thrive in a competitive landscape. -
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RAML
RAML
RAML offers a straightforward yet robust syntax for API modeling, facilitating quick API development with an easy-to-understand format that accommodates projects of any scale, from personal endeavors to large corporate applications. This tool allows you to visualize your API as you craft it, presented in a clear and readable text format. Additionally, you can refine your design and produce a fully operational mockup for stakeholders, partners, or internal teams to assess and build upon, all without coding a single line. This capability empowers developers to focus on their core strength: coding, while eliminating uncertainty and the frustration of realizing design flaws midway through development. Furthermore, RAML helps streamline your time to market and minimize bug-related issues by providing various tools that can generate the foundational structure of your API directly from your RAML specifications. In this way, you can finally put an end to the tedious hours spent on API documentation maintenance and instead focus on innovation and functionality. Ultimately, RAML enhances collaboration and accelerates the development process by providing a clear framework that everyone can engage with. -
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Imperva API Security
Imperva
Imperva API Security safeguards your APIs using an automated positive security model, which identifies vulnerabilities in applications and protects them from being exploited. On average, organizations handle at least 300 APIs, and Imperva enhances your security framework by automatically constructing a positive security model for each uploaded API swagger file. The rapid development of APIs often outpaces the ability of security teams to review and approve them before deployment. With Imperva’s API Security, your teams can maintain a proactive stance in DevOps through automation. This solution equips your strategy with pre-configured security rules tailored to your specific APIs, ensuring comprehensive coverage of OWASP API standards and enhancing visibility into all security events for each API endpoint. By simply uploading the OpenAPI specification file created by your DevOps team, Imperva will efficiently generate a positive security model, allowing for streamlined security management. This capability not only simplifies API security but also enables organizations to focus more on innovation while maintaining robust protection. -
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Konfig
Konfig
Konfig is an innovative developer tool designed to streamline the creation of SDKs, documentation, demos, and tutorials for REST APIs, making the onboarding process for external developers more efficient. By simply importing an OpenAPI Specification or Postman Collection, Konfig can automatically generate SDKs in widely-used programming languages such as TypeScript, Python, Java, C#, PHP, Ruby, Go, Swift, and Dart. The platform enhances the quality of these SDKs by utilizing a linter to detect and correct errors in the OpenAPI Specification and by generating test cases to ensure that updates to the API do not disrupt existing SDK functionality. Furthermore, Konfig produces intuitive, branded documentation that updates automatically in response to any modifications in the API specification, thereby ensuring consistency between the documentation and the generated SDKs. Users can also create interactive demos and tutorials using familiar Markdown, which includes the capability to execute code directly in the browser for a more immersive learning experience. Overall, Konfig not only simplifies the technical aspects of API integration but also enriches the educational resources available to developers. -
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BuildShip is an intuitive low-code platform designed for visually constructing backend solutions that facilitate the swift deployment of APIs, scheduled tasks, AI-driven workflows, and cloud functions. It seamlessly integrates with various databases, tools, and AI models, allowing users to design comprehensive backend logic flows. You have the option to utilize pre-existing nodes or leverage AI capabilities to craft personalized logic nodes tailored to your specifications. By merging the simplicity of no-code with the robust flexibility of low-code, BuildShip provides a highly scalable method for rapid backend development. It supports a wide array of powerful applications, including handling payments and orchestrating subscription processes with services like Stripe, RevenueCat, and Lemon Squeezy. Additionally, it enables the automation of AI workflows to power backend functionalities for AI applications, as well as the creation of APIs for effective data processing and CRUD operations on various databases. Users can effortlessly relay form submission data to external tools, incorporate AI-driven chatbots with platforms such as OpenAI, Azure, Claude, and Groq, and manage email communications to enhance user engagement and lead generation. With BuildShip, the range of potential applications is truly limitless, empowering users to innovate without boundaries.
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Crow
Crow
Crow is an innovative language user interface tailored for contemporary software, designed specifically for developers to seamlessly integrate a fully functional AI copilot into their applications with minimal effort. Rather than starting from scratch to create a chatbot or copilot—complete with backend endpoint wiring, user interface design, user state management, contextual handling, and tool call capabilities—Crow simplifies the entire process. By incorporating just a small script into your frontend, Crow takes charge of everything else; it interfaces with your backend endpoints, transforms registered APIs (through OpenAPI specifications or endpoint URLs) into actionable tools, and oversees authentication to ensure that AI-driven tasks align with your current user permissions. To enhance the copilot's contextual awareness, Crow allows the ingestion of website content, documentation, or various files, enabling the AI to accurately answer questions specific to your domain. Once set up, the copilot is capable of not only engaging in conversational exchanges but also performing actions like reading and writing data. This streamlined integration ultimately empowers developers to enhance user experiences with advanced AI functionalities. -
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Apiary
Oracle
Develop an API in just half an hour and share it with your colleagues or clients, allowing them to explore the API mock without any coding required. This hands-on approach enables them to test its functionality while you refine its design—coding can be deferred until you fully understand your developers' requirements. With a focus on being developer-friendly, our API framework is robust, open source, and highly adaptable. It combines the simplicity of Markdown with the capabilities of automated mock servers, tests, validations, proxies, and code samples tailored to your preferred programming languages. Often, grasping how an API will function in real-world scenarios is challenging until you can interact with it through code. Just as wireframes serve a purpose in UI design, a server mock is essential for effective API design, providing a quick way to prototype before diving into actual coding. With only two clicks, you can connect Apiary to your selected repository, giving you the choice to keep your API Blueprint private or share it publicly for community input. Each time you commit, we refresh the API documentation, and any updates you make at Apiary are automatically pushed to your repository, creating a seamless cycle of improvement. This process not only enhances collaboration but also accelerates the overall development timeline. -
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APIGen
APIGen
$29 per monthAPIGen is an innovative AI-powered platform that allows users to swiftly design, construct, test, and launch custom APIs within minutes. By simply providing a straightforward or intricate prompt, APIGen automatically creates all the required routes, schemas, and internal functionalities, with options for adjustments as necessary. This platform utilizes a dedicated language model tailored specifically for API development, which guarantees efficient and versatile code generation. Users can seamlessly integrate their databases, connect to various third-party APIs, and take advantage of features such as code export, real-time modifications, and instant deployment to APIGen's cloud infrastructure. Additionally, APIGen takes care of authentication, session management, and security protocols for each API, offering enterprise-level protection with over 50 branches of custom tests and automatic error detection. The platform includes essential functionalities for user administration, token creation, data encryption, and generates comprehensive documentation automatically for every facet of the API. By streamlining these processes, APIGen not only enhances productivity but also simplifies the complexities often associated with API development. -
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Firecamp
Firecamp
FreeExperience seamless navigation through a tidy and organized interface, enabling you to concentrate on the essential aspects of effectively testing and collaborating on APIs. Firecamp provides a user-centric design alongside a variety of robust features, facilitating an efficient API development process and improving teamwork among members. You can dynamically set variable values for use throughout the platform, ensuring consistency and ease of access. Additionally, create visually appealing API documentation to share with both your team and the wider community. Execute API Collection Tests directly in the terminal or integrate them into your CI/CD pipeline, while also testing and troubleshooting your authentication endpoints with support for multiple authentication methods. This comprehensive approach not only boosts productivity but also fosters a collaborative environment for API development. -
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Amadeus Digital Commerce
Amadeus
Enhance your online sales by providing a seamless booking experience for your customers across various devices and interactions. Our intuitive API grants you the adaptability and features necessary to create top-tier front-end solutions rapidly. Leverage the tools, data models, and open technology offered by Amadeus Digital Commerce along with the digital developer toolkit included in the Amadeus Digital Experience suite to swiftly respond to shifts in customer preferences. With access to a broader range of UI development resources through open technology, you can streamline your processes. The Amadeus Digital Commerce API adheres to the widely accepted OpenAPI specifications (Swagger) and operates on RESTful technology with a JSON data format. This facilitates quick integration for your developers while minimizing UI development expenses, relying on a user-friendly data model that does not require specialized PSS expertise. As a result, you can expect increased conversion rates and enhanced brand loyalty, driven by an efficient booking experience and unique differentiation opportunities. Ultimately, these improvements will position your business for sustained growth in the digital marketplace. -
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Hubql
Hubql
Hubql serves as a local-first API Client designed to expedite the processes of testing, sharing, documenting, and deploying APIs. You can initiate your work with any OpenAPI specification by either fetching it through a URL or utilizing our server libraries to input your API schema. Designed to prioritize local storage, Hubql operates as a library that maintains your data offline. The API client is configured to function exclusively in the browser, either as a local server plugin, such as a NestJS plugin, or as a JavaScript library that can be directly accessed via a CDN. You can organize your APIs into distinct workspaces and Hubs, allowing for seamless collaboration by sharing your API Hubs with team members who can work together on the same API collection. Additionally, you can conveniently store your environment variables within your workspace, eliminating the need for repetitive copy-pasting during your API requests, which streamlines your workflow and enhances productivity. This comprehensive approach ensures that managing APIs is not only efficient but also collaborative and user-friendly. -
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YAKINDU Model Viewer
itemis AG
YAKINDU Model Viewer (YMV) is a specialized tool for displaying models made with MATLAB Simulink, presenting block diagrams that closely resemble those in Simulink. This viewer offers users the ability to efficiently explore, navigate, and search through extensive and intricate models. With its browser-like navigation capabilities, users can swiftly delve into the system hierarchy. Additionally, YMV boasts advanced visualization options, signal tracing, requirements tracking, and gesture-based interactions, among other features. The tool includes multiple perspectives to display a model's structure and the characteristics of its components, enhancing the user experience. Overall, YAKINDU Model Viewer simplifies the process of understanding complex systems through its intuitive design and comprehensive functionality. -
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OpenLegacy
OpenLegacy
$12K/monthly OpenLegacy’s Digital-Driven Integration software enables organizations with legacy systems to release new digital services faster and easier than ever before. It connects directly to virtually any core system, instantly generating digital services on the cloud. OpenLegacy helps industry-leading companies drastically reduce costs and resources while helping them become digital to the core. The OpenLegacy HUB is an all-in-one enterprise digital and cloud modernization platform, without disruption. -
38
SwytchCode
SwytchCode
$19 per monthSwytchCode is an innovative platform that leverages AI to serve as a “solutions engineer,” converting API and SDK documentation into engaging and interactive experiences for developers. Users can simply upload an OpenAPI specification, Postman collection, or SDK, and in just a matter of minutes, the platform produces multilingual code samples in over 15 programming languages, along with live playgrounds and fully functional workflows, drastically cutting down the time developers spend on integration from several hours to less than two minutes. The platform also offers intelligent testing through mock calls, provides analytics to identify where developers may be facing challenges or dropping off, and allows for the creation of multi-step workflows through intuitive drag-and-drop features or natural-language commands. This powerful functionality enables API teams to lower their support costs while boosting user adoption, all while ensuring excellent uptime and extensive language support. Committed to removing obstacles between APIs and developers, SwytchCode presents a cohesive AI-enhanced interface that seamlessly integrates with your existing API infrastructure, ultimately transforming the development process. Through its user-focused solutions, the platform not only enhances productivity but also fosters innovation in API usage. -
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Gram
Speakeasy
$250 per monthGram is a versatile open-source platform designed to empower developers in the seamless creation, curation, and hosting of Model Context Protocol (MCP) servers, effectively converting REST APIs through OpenAPI specifications into tools ready for AI agents without necessitating any code modifications. The platform takes users through a structured workflow that includes generating default tools from API endpoints, narrowing down to relevant functionalities, crafting advanced custom tools by linking multiple API calls, and enriching these tools with contextual prompts and metadata, all of which can be tested instantly in an interactive environment. Additionally, Gram features built-in support for OAuth 2.1, which encompasses both Dynamic Client Registration and user-defined authentication flows, ensuring that agent access remains secure and reliable. Once these tools are fully developed, they can be deployed as robust MCP servers suitable for production, complete with centralized management functionalities, role-based access controls, detailed audit logs, and an infrastructure designed for compliance, which includes deployment at Cloudflare's edge and DXT-packaged installers that facilitate straightforward distribution. This comprehensive approach not only simplifies the development process but also enhances the overall functionality and security of the deployed tools, making it an invaluable resource for developers aiming to leverage AI technology effectively. -
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Directus
Monospace Inc
FreeDirectus is an Open Data Platform that allows you to manage any SQL database's content. It offers a powerful API layer to developers and an intuitive app for non-technical users. Directus is written entirely in JavaScript (primarily Node.js or Vue.js), and it is modular and extensible. This allows it to be tailored to your specific project needs. Our platform can be used to manage digital experiences as a headless CMS, a database client for democratizing information, or as a standalone web app for back-office CRM, inventory, business intelligence and project management. -
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API Blueprint
API Blueprint
API Blueprint offers a straightforward and user-friendly approach for everyone involved in the API development process. Its syntax is both brief and descriptive, making it easy to use. With API Blueprint, users can rapidly design and prototype new APIs or document and test existing mission-critical APIs. This tool fosters communication and collaboration among project stakeholders, developers, and customers throughout every stage of the API lifecycle. Additionally, API Blueprint tools are designed to support various objectives, whether they pertain to API development, governance, or delivery. By promoting abstraction, API Blueprint aims to enhance the quality of API designs. Its primary objective is to separate API components to facilitate modular design while also encapsulating backend behaviors. Once an API Blueprint is established, it allows all parties to evaluate whether the actual implementation aligns with the expectations set forth in the agreement. Ultimately, API Blueprint not only streamlines the development process but also enhances overall efficiency and clarity in API management. -
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SOAPSonar
Crosscheck Networks
$80/month Test functional, performance, and security aspects of APIs. Provides Pass/Fail criteria rules to enable regression testing of API behavior. Tests can be run on-demand or automated from the command-line. Supports latest OpenAPI standards for parsing OpenAPI documents and building test cases for the defined operations. Authentication schemes including SAML, OAuth, Basic Auth, Amazon Auth, PKI, and Kerberos. Create behavior baselines and run regression tests to determine breakage or change of behavior. Includes JSON and XML Diff capability. Generate performance load across multiple virtual clients to measure and validate the performance criteria of the target APIs. Security and identity are processed for each request to ensure real world simulated inputs and not replays. Built-in support for AWSv4 signatures enables authentication to test Amazon AWS APIs. -
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Hoppscotch
Hoppscotch LTD.
$19 per user per monthHoppscotch simplifies the process of creating and testing APIs, enabling quicker product launches. Build APIs with speed, conduct instant tests, and automatically document and share your work. From initial prototypes to final production, you can develop efficiently without the hassle of switching between different tabs. Everything necessary for seamless API development is provided by Hoppscotch. Set up dedicated workspaces for your teams, controlling access as needed. Collaborate with your colleagues in real-time, ensuring smooth teamwork. You can even deploy Hoppscotch on your own servers for added flexibility. Organize your requests into collections or folders to facilitate sharing with your team. Manage your environment variables for consistent usage across your projects. Additionally, keep track of your request history for easy reference. Modify headers, authenticate your requests, generate random data, and explore many more features at your disposal. Test your APIs thoroughly and write assertions to verify responses. Hoppscotch supports over 30 languages, allowing you to use it in your preferred tongue. Keep an eye on all activities within your workspace, tracking who performed actions and when. Utilize your existing SSO provider for easy login to Hoppscotch, and efficiently manage your users, workspaces, and other resources. Furthermore, the intuitive interface ensures that both novices and experienced developers can navigate the platform effortlessly. -
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Fern
Fern
$250 per monthCreate Stripe-like SDKs and documentation tailored for your API with ease. Provide type-safe SDKs in widely used programming languages, allowing Fern to handle the complex task of generating and distributing client libraries, enabling your team to concentrate on API development. Simply import your API definition, whether in OpenAPI format or Fern’s more straightforward alternative. Choose from a variety of code generators, including TypeScript, Python, Java, Go, Ruby, C#, and Swift, to suit your needs. Fern takes care of semantic versioning and publishes packages to various registries like npm, pypi, and maven, ensuring seamless integration. Plus, enjoy visually appealing API documentation that aligns with your brand identity for a cohesive user experience. This way, you can enhance both the functionality and presentation of your API offerings. -
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Specmatic
Specmatic
$445 per monthHarness the advantages of contract-driven development to accelerate the creation and deployment of your microservices and micro frontends with confidence. By shifting left and eliminating the need for traditional integration tests, you can utilize API specifications as executable contracts to catch compatibility issues among your microservices early in the development process. This approach allows for parallel development, significantly reducing cycle times and enabling you to bring products to market at unprecedented speeds. As your project undergoes integration testing, potential integration problems are greatly reduced, leading to a more seamless, robust, and efficient workflow. Foster collaboration between your frontend and backend teams by easily aligning on API designs and specifications. Quickly transform your API specifications into tests at no cost and without writing code, running them against your services to catch integration issues proactively. Additionally, our innovative “no code” method allows you to detect backward incompatible changes simply by comparing two API specification versions, streamlining your development efforts even further. Ultimately, this approach not only enhances team collaboration but also contributes to a more agile and responsive development environment.