Best Free API Management Software of 2025 - Page 2

Effortlessly link your product to hotel data in just a few minutes by securely accessing and updating various hotel systems through a robust and well-documented JSON API. With the ability to connect your application to our Test Hotel almost instantly, you can start integrating with real hotels within days rather than weeks. Utilizing a single, easy-to-navigate universal REST API, Impala interfaces with numerous hotel systems, ensuring that you have a streamlined connection. Our platform is designed with bank-level security, complies fully with GDPR regulations, and is hosted across multiple geographic locations for enhanced reliability. Impala is poised to be the ultimate integration solution for property management systems, relieving you of the need to manage multiple connections. As we continuously expand our network of hotel systems, your business can reach an increasingly diverse array of hotels each month. Recognizing the importance of comprehensive data in modern hotel technology, Impala ensures seamless two-way data exchange, whether you need to access guest details, process a new transaction, or get updates on rate adjustments. With Impala, you can enjoy peace of mind knowing that all your hotel data needs are met efficiently and securely.

SyncTree strives to be a "Super Connecting Platform" that can easily connect any services you want. With SyncTree, which consists of SyncTree STUDIO, a solution for building backend business logic with block coding, and Block Store, a platform for buying and selling pre-made backend function blocks like App Store, you can organically utilize data and connect services to achieve unlimited service expansion.

You can use your favorite debugging software to locally troubleshoot your Kubernetes services. Telepresence, an open-source tool, allows you to run one service locally and connect it to a remote Kubernetes cluster. Telepresence was initially developed by Ambassador Labs, which creates open-source development tools for Kubernetes such as Ambassador and Forge. We welcome all contributions from the community. You can help us by submitting an issue, pull request or reporting a bug. Join our active Slack group to ask questions or inquire about paid support plans. Telepresence is currently under active development. Register to receive updates and announcements. You can quickly debug locally without waiting for a container to be built/push/deployed. Ability to use their favorite local tools such as debugger, IDE, etc. Ability to run large-scale programs that aren't possible locally.

We are builders on a mission. We're obsessed with building products that make the world a more secure place. Over the course of our careers we've built countless enterprise products at both startups and companies like Splunk, Cisco, Symantec, and McAfee. In every case we had to write security features from scratch. Pangea offers the first Security Platform as a Service (SPaaS) which unifies the fragmented world of security into a simple set of APIs for developers to call directly into their apps.

Treblle is a federated API Intelligence platform that unifies API visibility, governance, and security in a single enterprise-grade solution. Designed for complex environments, Treblle connects seamlessly through one integration and supports deployment on-prem or in private cloud—meeting even the strictest regulatory and data residency requirements. Once integrated, Treblle instantly maps your entire API landscape with automatic discovery, generating real-time inventories and eliminating shadow APIs. Its observability tools track every request and response, surfacing performance issues, anomalies, and SLA breaches across all services. Advanced analytics give teams insights into traffic, latency, endpoint usage, and client behavior, making debugging, optimization, and scaling easier and 15 times faster. Security is built-in, not bolted on. Treblle provides runtime protection, threat detection, schema validation, and governance policies to safeguard APIs across environments. It empowers DevOps and platform teams to implement shift-left strategies and enforce consistent practices across the lifecycle. With its AI-powered Integration Assistant, Treblle simplifies onboarding and improves developer workflows. Whether you’re running internal microservices or customer-facing APIs, Treblle gives you the clarity and control to move faster, reduce risk, and scale with confidence.

holidays.rest offers accurate and comprehensive holiday data with lightning-fast delivery, catering to customers of all sizes. Access details on national, public, and religious holidays for over 190 countries in just milliseconds through our RESTful API.

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.

Transform your approach to Live Chat – it’s not just a tool for customer support. We want to shift your perspective on its potential. By engaging customers in real-time, you can prevent them from getting stuck or abandoning their carts. Implement bots trained to handle frequent inquiries efficiently. Leverage shopper history and behavior to deliver targeted interactions. Automate typical scenarios, ensuring you connect with customers around the clock. This technology empowers you to guide and influence your customers throughout their purchasing process. Every interaction is enhanced with a complete activity log from both the current session and past transactions, allowing for instantaneous responses to inquiries. Features like Proactive Messaging, Live Shopper Insights, and Real-time Shopper Journeys enable you to pinpoint high-revenue shopping sessions. All these robust tools are accessible through an easy-to-use graphical interface that requires no programming expertise. Plus, our seamless integration with Shopify activates your store's capabilities as soon as you install the application, enhancing your customer engagement strategy right from the start.

SheetDB transforms your spreadsheets into a JSON API, allowing seamless integration with various tools and programming languages. We offer a wide array of libraries that support popular tools, APIs, and coding languages. For those collaborating with non-technical individuals, utilizing Google Sheets as a database for your projects is a fantastic option. Since spreadsheets are user-friendly, they serve as an excellent content management system that nearly everyone can navigate! SheetDB is incredibly straightforward to implement across different programming languages. We handle token management and security concerns, enabling you to concentrate on bringing your ideas to life. Additionally, our platform ensures that you can efficiently manage your data while maintaining peace of mind regarding safety protocols.

Achieve efficient and accurate GraphQL implementation with speed. Leveraging the foundational open source GraphQL client and server from Apollo, the Apollo Platform equips developers with essential tools and cloud services designed to enhance development processes, fortify infrastructure, and enable scalability across multiple teams. It provides the necessary tools and libraries to create a GraphQL schema, integrate it seamlessly with your applications, monitor performance analytics, and ensure its upkeep over time. Safeguard your GraphQL infrastructure's security and stability by utilizing historical data from production traffic to proactively protect against disruptive schema alterations or risky client queries. Expand your GraphQL API from a single team to the entire organization by integrating distinct GraphQL services into a cohesive federated schema, eliminating any potential points of failure or bottlenecks in development. Furthermore, maintain a unified source of truth for your data graph, allowing for efficient tracking and collaboration on schema evolution, complete with a comprehensive record of changes and insights on how various clients utilize each component. This holistic approach not only streamlines development but also fosters a collaborative environment across your organization.

The LaunchDarkly feature management platform allows users to dynamically control which application features are accessible to their audience. By leveraging feature management, contemporary development and operations teams can enhance their speed and handle more development cycles effectively. This approach is regarded as a best practice, enabling engineering teams of various sizes to deploy code continuously while giving business teams the authority to manage the user experience. With the LaunchDarkly platform, top teams can mitigate risks and actualize their concepts from the very start. Accelerate your software delivery process by decoupling code deployments from feature launches, allowing for deployment at your discretion and feature releases when you’re fully prepared. By utilizing feature flags, you can minimize the cost of errors when introducing new features or updating systems. Additionally, you can oversee and adjust your features in real-time, ensuring that you test comprehensive functionalities rather than just superficial adjustments. This level of control ultimately leads to a more efficient and responsive development cycle.

Craft, 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.

We assist companies from all industries to accelerate their software development processes. The feature flag solution is clearly laid out so you can switch on and off your features at any time. It can be used for User Targeting, Canary Releases and Experimenting.

RapidAPI Testing offers a comprehensive solution for functional API testing and monitoring, featuring a user-friendly interface and compatibility with all types of APIs, as well as seamless integration with the RapidAPI Marketplace and Enterprise Hub. This tool empowers users and organizations to ensure the reliability of their APIs through sophisticated functional tests designed for thorough validation. It also allows for centralized monitoring of API tests across diverse geographical locations, enhancing overall efficiency by integrating with CI/CD pipelines and fostering collaboration among teams. Furthermore, RapidAPI Testing supports users in crafting tailored functional test flows that ensure robust validation of REST, SOAP, and GraphQL APIs. With an accessible interface, it presents three distinct options for test creation, making it easy for both developers and non-developers to generate visual, automated, or code-based tests that meet their specific needs. Overall, RapidAPI Testing streamlines the API testing process, ensuring that all users can efficiently verify the functionality of their APIs.

Gravitee.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.

Stoplight is an API Design, Development, & Documentation platform. Stoplight Platform enables consistency, reuseability, quality, and ease in your API lifecycle. Here's what Stoplight Platform can do for you: Stoplight Studio's visual designer makes it easy to design APIs Stoplight Prism mocking allows you to automatically create mock API designs - Invite external and internal users to give feedback and collaborate on your designs - Create faster and more powerful APIs - Use Stoplight Spectral to test and enforce style guidelines To create a pleasant experience, document both internal and externe APIs automatically To quickly scale up API programs that are well-governed, standardized, and collaborative, you can use and integrate design-first workflows.

Keep track of the performance and status of your API endpoints and essential website transactions using a single, user-friendly dashboard. Checkly serves as a proactive reliability platform that merges the advantages of end-to-end testing with continuous monitoring, specifically tailored for contemporary, cross-functional DevOps teams. Emphasizing JavaScript-based open-source technology stacks, Checkly offers a straightforward setup process and integrates smoothly into your existing development processes. As the go-to platform for API and end-to-end monitoring in modern environments, Checkly is programmable, adaptable, and enthusiastically supports JavaScript. Ensure your important website transactions are continuously monitored and validated, while also capturing screenshots to provide immediate insights into operational performance. Automating browser click-flows has become significantly easier; utilize modern open-source tools such as Playwright and Puppeteer for seamless flow automation. Execute your monitoring checks from 20 different locations globally to guarantee that your APIs respond swiftly and deliver the correct data payload consistently. By leveraging Checkly, you can enhance the reliability and performance of your web applications while simplifying your testing processes.

Leverage robust analytics from your user behavior API to gain insights into customer interactions and enhance their experiences. Swiftly address challenges with detailed high-cardinality API logs that allow for in-depth analysis based on API parameters, body fields, customer characteristics, and additional factors. Achieve a comprehensive understanding of the users engaging with your APIs, their usage patterns, and the data payloads they transmit. Identify critical points where users disengage within your conversion funnel and learn how to refine your product strategy accordingly. Automatically notify customers who are nearing rate limits, utilizing deprecated APIs, and exhibiting other significant behaviors. Gain insights into how developers are integrating your APIs and track essential funnel metrics such as activation rates and Time to First Hello World (TTFHW). Segment developers by demographic information and marketing attribution SDKs to uncover strategies that will enhance your key performance indicators, ensuring that you concentrate on the activities that drive the most impact while continuously adapting your approach based on analytics. By monitoring these elements, you can foster a more effective relationship with your API users and encourage sustained engagement.

Choreo is an advanced internal developer platform designed to streamline and accelerate the creation of digital experiences, empowering teams to build, deploy, monitor, and manage cloud-native applications with ease. With Choreo, developers can enhance productivity while simplifying the entire application lifecycle from development to deployment and beyond. The platform is optimized for improving efficiency and enabling continuous innovation. Choreo is ideal for various use cases, including cloud-native application development, DevOps practices, API management, and seamless integration across systems. This powerful tool allows teams to focus on creating high-quality solutions while automating the complexities of infrastructure management. Choreo ensures a smooth, agile process for building and scaling applications, making it an essential tool for organizations looking to stay ahead in a fast-evolving digital landscape.

TeejLab is pioneering the integration of data science and machine learning to assist organizations in navigating the complexities of the API economy. As the sole industry solution tailored for API governance on a global scale, we invite you to consider your security and compliance stance regarding mainframe and legacy applications that interface with both internal and external information systems through APIs. Our innovative software composition analysis system stands as the world's first tool designed to uncover shadow, hidden, private, and public APIs using a meticulously curated knowledge base. Just as Google transformed the landscape for websites, TeejLab is revolutionizing the world of Web APIs. Our versatile product suite addresses the diverse API governance requirements of enterprises and communities in a cost-effective manner, while also allowing for the seamless addition of new features as those demands change. Whether your organization is primarily focused on discovering and benchmarking APIs or is a seasoned producer or consumer of APIs looking to enhance your offerings, we have a comprehensive solution to meet your needs and drive your success further. With our expertise, we empower businesses to navigate the ever-changing digital landscape with confidence.

Utilize Pipes to query and manipulate your data seamlessly, a novel method for linking SQL queries that draws inspiration from Python Notebooks. This approach aims to streamline complexity while maintaining optimal performance. By dividing your query into various nodes, you enhance both development and maintenance processes. With just a single click, you can activate your API endpoints that are ready for production use. Transformations happen instantly, ensuring you always have access to the most current data. You can securely share access to your data with just one click, providing quick and reliable results. In addition to offering monitoring capabilities, Tinybird is designed to scale effortlessly, so you need not be concerned about unexpected traffic surges. Visualize transforming any Data Stream or CSV file into a fully secured real-time analytics API endpoint in mere minutes. We advocate for high-frequency decision-making across every sector, including retail, manufacturing, telecommunications, government, advertising, entertainment, healthcare, and financial services, making data-driven insights accessible to all types of organizations. Our commitment is to empower businesses to make informed decisions swiftly, ensuring they stay ahead in an ever-evolving landscape.

Experience the leading API gateway in the world, designed specifically for hybrid and multi-cloud environments and optimized for microservices as well as distributed systems. Take the first step today by downloading Kong Gateway at no cost. This powerful tool not only supports hybrid and multi-cloud infrastructures but also features a Kubernetes-native ingress solution along with support for declarative configuration management. As part of the Konnect managed connectivity platform, Kong Gateway provides essential connectivity capabilities such as API Portals and AI-driven anomaly detection, all while allowing for high-performance connectivity runtimes. Enhance your setup with a variety of plugins created by Kong and the community, or develop your own using our comprehensive and user-friendly plugin development kit. You can configure the Gateway seamlessly through an API, a web-based interface, or with declarative configuration to facilitate updates within your CI/CD pipelines. With its robust features, Kong Gateway empowers users to create efficient and scalable API management solutions.

Select the approved applications from our integration library and utilize the flow builder to set up the necessary actions and fields to initiate the synchronization process. Once this is done, the communication between your applications and KonnectzIT will commence, and the platform will manage everything from that point onward. Are you feeling overwhelmed by routine tasks that, while straightforward, consume excessive amounts of your valuable time? Are you unable to focus on more significant projects because you're bogged down by these mundane responsibilities? If you're in search of a simple yet powerful solution to reclaim your time, resources, and energy, look no further. Employ our user-friendly drag-and-drop visual builder to effortlessly link applications and synchronize data between them. Depending on the extent of your automation needs, this can save you numerous hours each day. The more extensive your connections, the more time you can free up on a daily basis. Easily and efficiently automate limitless tasks with our visual connect builder, regardless of the complexity of your workflow. Our builder not only simplifies the process of connecting applications but also allows you to clearly visualize the automation setup while you're configuring the tasks, ensuring a seamless experience.

GraphQL is impressive, and we are enhancing its capabilities even further. Inigo serves as an easy-to-integrate platform compatible with any GraphQL server, enhancing your API usage by addressing security, compliance, analytics, and continuous delivery, enabling companies to expand with assurance. DIY GraphQL solutions often lead to unnecessary security risks and operational hurdles. Inigo streamlines your experience by alleviating these burdens with user-friendly tools that save you valuable time. Custom-developed solutions can be both time-intensive and costly. Our improved CI/CD integration tools allow developers to concentrate on their primary responsibilities without distraction. As organizations scale GraphQL, they encounter distinct operational obstacles. Our solutions resolve development and delivery challenges while a self-serve workflow ensures your projects progress smoothly. Are you anxious about DDoS attacks, data breaches, or access management? Now you can effectively address all your GraphQL security concerns. Safeguard against vulnerabilities associated with GraphQL parsers and resolvers, and foster a more secure and efficient API ecosystem. Inigo empowers you to confidently navigate the complexities of GraphQL without the typical headaches.

Tailor it to align with your brand while ensuring that all essential features are included for seamless API integration. Facilitate a quick and customized onboarding journey, guiding users from initial discovery through to full integration. Monitor user behavior on your portal alongside real-time API usage analytics. Incorporate live testing capabilities, integrated API key management, and ready-to-use code snippets. Implement a system for sending emails, alerts, and updates based on API utilization patterns. Select an appropriate monetization strategy and experiment with various pricing models. Aim for the quickest transition to the first API call while providing a personalized user experience. Continuously enhance your developer portal and adapt your pricing structures to support business growth. Regularly gathering user feedback can also help refine these offerings for an even better experience.