List of the Top 15 API Management Software for GitLab in 2025

Postman is a collaborative platform tailored for API development, aimed at streamlining the process of creating APIs while promoting teamwork, which leads to the quick production of high-quality APIs. Its various features support every stage of API development, thereby enhancing collaboration and expediting the process of building superior APIs. Users have the ability to rapidly and easily send requests for REST, SOAP, and GraphQL APIs right within Postman, which optimizes their workflow significantly. Moreover, it offers the capability to automate manual testing, integrating these tests into your CI/CD pipeline to prevent potential issues when new code is deployed. The platform also enables effective communication regarding API behavior by allowing users to simulate endpoints and their responses without needing a backend server. Additionally, you can create and publish visually appealing, machine-readable documentation, making your API more user-friendly and accessible. Regular monitoring of performance and response times keeps you updated on the health of your API, allowing for proactive management. Furthermore, Postman encourages a shared environment for both the creation and consumption of APIs, fostering real-time collaboration among team members, which can lead to more innovative solutions. This combination of features not only enhances productivity but also helps teams work more cohesively towards developing robust APIs. Postman’s AI Agent Builder is a comprehensive tool that accelerates the creation, testing, and deployment of AI agents by providing easy integration with APIs and LLMs. It allows users to quickly turn APIs into agent-ready tools, test LLMs’ performance and costs, and compare responses to choose the best model. The no-code platform features a visual canvas that lets developers design and configure agent workflows with ease.

We revolutionize API management for all users, whether they're part of startups or large enterprises. Within mere minutes, you can incorporate authentication, analytics, and developer documentation seamlessly. Zuplo empowers you to safeguard your API efficiently by implementing rate-limiting in no time. Additionally, you can enhance your APIs with over 50 plugins, including authentication options, all with a single click. Built on edge technology, Zuplo operates across more than 300 data centers globally, ensuring that multi-cloud deployments are a superior experience. The platform enables you to execute various workloads across different cloud environments while upholding a consistent set of API policies. Uniquely, Zuplo serves as the only gateway that directly supports OpenAPI, allowing you to leverage the OpenAPI ecosystem for your API and deploy it directly to the platform. Furthermore, Zuplo automatically generates visually appealing documentation for your API, which you can personalize using markdown, and allows developers to conveniently obtain their API Keys directly from the documentation. This streamlined process not only improves efficiency but also enhances the overall developer experience.

Develop, troubleshoot, and assess APIs with a personal touch instead of an automated one. Finally, a workflow that you'll truly value. Presenting the Collaborative API Design Tool, a platform designed for crafting, validating, and managing OpenAPI specifications. This desktop client supports interactions with both REST and GraphQL, allowing you to effortlessly send requests and review responses. You can easily generate and organize your requests, configure environment variables, handle authentication, create code snippets, and much more. Delve into the details of responses—analyze the complete request timeline, encompassing status codes, body content, headers, cookies, and additional insights. Structure your project with workspaces, folders, and environments while utilizing a user-friendly drag-and-drop interface for requests, accompanied by simple data import and export functionalities. Within a unified collaborative API design editor, you can create, edit, lint, troubleshoot, preview, and oversee your OpenAPI specifications. Moreover, generate configurations for well-known API gateways like the Kong API Gateway and Kong for Kubernetes. Seamlessly synchronize your API designs with version control platforms such as GitHub or GitLab, and deploy straight to API gateways like Kong with a single click, greatly enhancing your development workflow. This tool not only boosts efficiency but also encourages teamwork among members in designing effective APIs, ultimately leading to a more innovative development environment.

RapidAPI Testing provides a well-rounded solution for both functional API testing and monitoring, featuring an intuitive interface that accommodates all API types and integrates smoothly with the RapidAPI Marketplace and Enterprise Hub. This tool enables users and organizations to validate the reliability of their APIs through advanced functional tests crafted for comprehensive assessment. Additionally, it facilitates centralized monitoring of API tests from various geographical locations, boosting overall productivity by integrating with CI/CD pipelines and promoting teamwork among different departments. Moreover, RapidAPI Testing aids users in developing customized functional test flows that guarantee thorough validation of REST, SOAP, and GraphQL APIs. The platform's user-friendly interface offers three unique methods for creating tests, allowing both developers and non-developers to easily produce visual, automated, or code-oriented tests tailored to their specific requirements. In summary, RapidAPI Testing simplifies the API testing workflow, ensuring that all users can effectively verify their APIs' functionality while fostering innovation and collaboration in the process. This makes the tool an invaluable asset for teams striving for excellence in their API management practices.

Stoplight serves as a comprehensive platform for API design, development, and documentation. The Stoplight Platform fosters consistency, reusability, quality, and simplicity throughout the API lifecycle. Here’s how the Stoplight Platform can benefit your team: With Stoplight Studio's intuitive visual designer, crafting APIs becomes a straightforward task. The Stoplight Prism tool enables the automatic generation of mock API designs, enhancing your workflow. You can invite both internal and external collaborators to provide feedback and engage in the design process. This leads to the creation of APIs that are not only faster but also more robust. Additionally, by utilizing Stoplight Spectral, you can thoroughly test and uphold style guidelines. Automated documentation for both internal and external APIs ensures a seamless experience for all stakeholders. To efficiently scale API initiatives that are well-governed and collaborative, integrating design-first workflows is essential. This approach not only streamlines the process but also enhances overall productivity and collaboration among teams.

Monitor the effectiveness and health of your API endpoints along with vital website transactions through a single, intuitive dashboard. Checkly operates as a proactive reliability platform that combines the benefits of end-to-end testing with ongoing monitoring, making it ideal for modern, cross-functional DevOps teams. Focused on JavaScript-based open-source technology stacks, Checkly ensures a hassle-free setup and integrates effortlessly into your current development workflows. As the preferred solution for API and comprehensive monitoring in today’s dynamic environments, Checkly is highly programmable, versatile, and passionately supports JavaScript. Safeguard your critical website transactions with continuous monitoring and validation while also taking advantage of automatic screenshots that provide instant insights into your operational performance. Streamlining browser click-flow automation has never been simpler; make use of cutting-edge open-source tools like Playwright and Puppeteer for flawless automation. You can run your monitoring checks from 20 different locations around the globe, ensuring that your APIs not only respond quickly but also deliver accurate data payloads consistently. By utilizing Checkly, you can significantly improve the reliability and performance of your web applications, all while making your testing procedures more efficient. This enhanced capability allows teams to focus more on development rather than troubleshooting, thus fostering innovation and productivity.

Choose the applications that have been approved from our integration library, and use the flow builder to establish the required actions and fields to kickstart the synchronization process. After this step, your applications will start communicating with KonnectzIT, which will take over the management of the entire operation. Are you overwhelmed by routine tasks that, although simple, take up too much of your precious time? Is your focus on more important projects hindered by these tedious responsibilities? If you are looking for a straightforward yet effective way to regain your time, resources, and energy, your search ends here. Our intuitive drag-and-drop visual builder makes it easy to connect applications and synchronize their data effortlessly. Depending on how much automation you need, this can result in significant time savings each day. The broader your connections, the more time you can liberate daily. With our visual connect builder, you can automate countless tasks efficiently, no matter how intricate your workflow may be. Not only does our builder streamline the process of linking applications, but it also provides a clear visualization of the automation setup while you configure the tasks, resulting in a smooth experience. By utilizing this tool, you can transform your daily operations and focus on what truly matters.

Discover exceptional API documentation that is admired by teams and users alike. At last, you have the opportunity to craft API documentation that your whole team can take pride in. Within seconds, you can launch visually striking API reference documents and make customizations in just a few minutes. Developers will be instantly pleased with crucial features, including three-panel layouts, an interactive try-it console, automatically generated code snippets, SEO enhancements, and a user-friendly search function. It's common knowledge that outdated documentation and scope creep may lead to dissatisfaction. Keep your API documentation current by seamlessly integrating your preferred source control with our cloud-based workflows. Our platform accommodates a diverse array of choices, from on-premise solutions to various API management systems. You can establish a comprehensive developer portal in minutes, utilizing your API definitions as valuable resources. Amplify the user experience with tutorials, quick-start guides, and developer tools, all while enjoying extensive customization capabilities. Ensure your API definitions undergo validation, linting, and seamless bundling, enabling the creation of consistently on-spec OpenAPI documents. Connect your API reference and meticulously adjust every detail to captivate your API consumers, ultimately nurturing a more engaging and productive environment for developers. With these features, your documentation will not only fulfill its intended purpose but also evolve into a crucial asset for fostering long-term collaboration and innovation. Embrace these tools to elevate your API documentation to new heights of excellence.

Explore how Beeceptor can significantly elevate your development workflow, fast-tracking both API integrations and the software delivery process. Investigate the diverse scenarios that Beeceptor can effectively cater to for your specific requirements. By utilizing Beeceptor to host your API contracts, you can remove obstacles that might hinder your teams' progress. With the capability to set up a mock API server in just a few seconds, there's no requirement for coding, allowing you to bypass the wait for backend APIs to be built or launched. You can simply connect to a mock API server and begin integrating your applications immediately. Beeceptor empowers you to reduce dependence on backend or API teams. Acquire a named sub-domain to initiate an HTTP request, enabling you to examine and troubleshoot request/response payloads, improve their formatting, and collaborate with teammates by sharing them as API contracts. When you define an entity path, Beeceptor will automatically generate six essential JSON REST APIs for your CRUD operations. This solution serves as an alternative to JSONPlaceholder, providing a flexible schema, efficient data storage, and an incredibly easy setup process. It feels like effortlessly incorporating unavailable APIs into your current API server, which allows you to enhance your integration speed and boost overall productivity. By adopting Beeceptor, not only will your development efficiency increase, but your team's collaboration will also improve, fostering a more agile and responsive work environment.

Bruno is a cutting-edge, open-source API client that seeks to redefine the current market landscape, which is largely influenced by established tools such as Postman and Insomnia. Built on the core values of community collaboration and extensibility, our aim is to stay aligned with our mission. We concentrate exclusively on delivering a powerful API client, deliberately steering clear of unnecessary platform features that might compromise our primary purpose. Successful teamwork relies heavily on context and a cohesive environment, which is why we enable the storage of collections directly within your Git provider to maintain consistent version control. Security and privacy are our top priorities; Bruno operates offline and does not sync your data with any cloud services, ensuring our users can have complete peace of mind. By opting for Bruno, you are choosing a streamlined and effective method for API management that values your data and optimizes your workflow. Additionally, our commitment to continuous improvement means we actively seek feedback from our community to enhance future releases.

Quickwork serves as a versatile platform for businesses to design both straightforward and intricate workflows with ease. It enables organizations to develop and publish secure APIs while facilitating seamless conversational exchanges among employees, customers, and partners, thereby enhancing the overall user experience. As a comprehensive solution, Quickwork equips users with the necessary tools and services to construct robust and scalable integrations. The platform includes features like serverless APIs and interactive conversational experiences. Users can simply drag and drop applications to forge impactful integrations, eliminating the need for any coding expertise. With access to thousands of applications spanning business, consumer needs, analytics, messaging, and IoT, Quickwork empowers extensive customization. Its API Management feature allows for the effortless conversion of any workflow into a REST API with just one click. Furthermore, the serverless infrastructure ensures that your APIs can be scaled both elastically and securely. Additionally, Quickwork facilitates the creation and management of real-time messaging and conversational workflows that engage multiple channels, integrating human agents, IoT devices, and chatbots to provide comprehensive solutions. This holistic approach not only simplifies operations but also fosters enhanced connectivity and efficiency across various business functions.

Pipedream is a platform designed for serverless computing and integration, offering a rapid way to connect APIs and run code seamlessly. It empowers developers to construct event-driven workflows that link various applications effortlessly. By creating event sources, developers can convert any API into an event stream, allowing them to monitor activities such as tweets, GitHub events, or updates from Airtable. This platform provides a user-friendly interface for inspecting events, triggering Node.js workflows with each event, and accessing these events through an API in their applications. The workflows are built using Node.js code steps that execute whenever an event occurs. Developers have the flexibility to write custom Node.js code and utilize any npm packages, or alternatively, they can reuse actions designed for popular APIs. Events can be triggered from various sources, including a custom URL, an email address, SDK code, or based on a predetermined schedule. Once authentication apps are connected, they function seamlessly within the workflow. Pipedream accommodates OAuth and key-based authentication, managing token refresh and the OAuth flow on the user's behalf. Users can simply link accounts to the workflow steps and input the necessary authentication details in their code. Furthermore, the ability to monitor multiple event sources simultaneously enhances the platform's versatility for developers.

The true strength of your intelligence lies not in AI but in the capabilities of your developers. Equip them with essential tools to lead the charge in API Security, ensuring consistent and unmatched protection across the entire API lifecycle. By integrating your OpenAPI definition into your CI/CD pipeline, you can facilitate automated scanning, auditing, and safeguarding of your API. We will thoroughly examine your Swagger file for over 300 potential security vulnerabilities and provide precise guidance on how to rectify them. Incorporating security measures is crucial for every developer throughout their workflow. Additionally, you will receive comprehensive insights into API attacks occurring in production, as well as security measures applicable to all your APIs, enabling a robust defense strategy.

Akita is designed to cater to both developers and Site Reliability Engineers (SREs), offering an uncomplicated observability solution that avoids unnecessary complexities. There is no need for any code changes or the addition of extra frameworks; just deploy it, monitor, and gather insights. This straightforward approach allows you to resolve issues more rapidly and streamline your deployment process. By simulating API behaviors and mapping out service interactions, Akita aids in identifying the underlying causes of problems. It generates comprehensive models of your API endpoints, making it easier to spot any breaking changes in your system. Furthermore, Akita helps in diagnosing latency issues and errors by emphasizing modifications within your service graph. You can effortlessly visualize all the services in your architecture without the hassle of onboarding each one separately. The true advantage of Akita is its capability to passively track API traffic, ensuring smooth operation across your services without requiring any code modifications or proxy setups. This ability not only enhances visibility but also boosts the efficiency of system management, leading to a more responsive and reliable infrastructure overall. Ultimately, Akita empowers teams to maintain high performance while simplifying their workflow.

Levo.ai offers businesses exceptional insight into their APIs, facilitating the discovery and documentation of all internal, external, and partner/third party APIs. This enables enterprises to assess the risks associated with their applications and prioritize them according to sensitive data transfer and authentication/authorization practices. Furthermore, Levo.ai ensures that all applications and APIs are continuously evaluated for vulnerabilities at the earliest stages of the software development lifecycle, enhancing security measures effectively. By maintaining rigorous testing protocols, organizations can proactively address potential threats.