List of the Top 14 Free API Marketplaces in 2025

Easily connect your applications and optimize your workflows with minimal effort. Tailored for individuals with hectic lifestyles, Zapier automates the movement of data between your web apps, enabling you to focus on your priorities. With just a few simple clicks, you can link your online tools for smooth data exchange. Information transitions seamlessly between your applications through automated processes termed Zaps. Speed up your projects and elevate productivity, all without needing coding expertise. Discover how Zapier makes automation accessible to everyone. Keep utilizing your favorite tools while enjoying the broad connectivity provided by Zapier, which integrates with more web applications than any other platform and continuously adds new ones every week. Our system is compatible with widely-used applications like Facebook Lead Ads, Slack, QuickBooks, Google Sheets, Google Docs, and many others! The user-friendly editor supports self-service automation, allowing you to create Zaps independently, without the need for a developer. Take advantage of Zapier’s built-in features to develop powerful workflows without depending on extra services. With over 3 million users relying on Zapier to manage their repetitive tasks efficiently, it's clear that the platform is trusted. Additionally, Zapier Agents enable businesses to automate real-world tasks by creating custom AI-driven assistants, which boosts both efficiency and creativity. As a result, Zapier not only streamlines automation but also broadens the scope of collaborative potential for teams, paving the way for innovative solutions.

Make serves as a dynamic visual platform that empowers individuals to design, construct, and automate a variety of projects, from workflows and tasks to applications and systems, all without the need for coding. This innovative tool is embraced by small and medium-sized businesses, scaleups, and teams around the globe, enabling them to accelerate their growth like never before. With Make, users can swiftly connect and create workflows, effectively allowing anyone to develop solutions akin to a developer and deploy them across diverse industries and business sectors in a significantly reduced timeframe and cost. Teams benefit from the ability to visualize, modify, and collaborate on processes, ensuring they can adapt and grow in alignment with their organizational needs. The platform facilitates the integration of sales and marketing tools, automation of customer journeys, enhancements in business operations, and the creation of bespoke backend systems. Engaging with Make is not only intuitive and playful, but also incredibly powerful, fostering creativity and innovation. Our vibrant Maker community demonstrates that when the act of building is infused with joy, the possibilities for achievement are boundless, inspiring users to push their creative limits.

APILayer serves as a comprehensive marketplace for both third-party and proprietary APIs, providing developers and businesses of any scale with easy access to a variety of options. This platform simplifies the process of obtaining secure and scalable APIs. By featuring only the most dependable APIs on specific subjects, APILayer ensures quality and reliability. Users can try out the APIs by downloading demos directly from the marketplace. With a commitment to maintaining a 99.9% uptime and offering subscription-based support, APILayer stands as a valuable resource for enhancing the capabilities of your applications, making it an essential tool for developers.

Integrately streamlines the automation of manual tasks with just a click, making it an ideal solution for businesses, professionals, and entrepreneurs who want to improve their operations without needing any coding skills. Users can easily select their applications and choose from an extensive library of over 250,000 pre-built one-click integrations to establish connections effortlessly. By leveraging Integrately, you can connect various applications like Salesforce, Google, HubSpot, and Facebook, enabling automatic data transfers that conserve both time and resources. With such a broad range of pre-configured integrations available, you can activate them instantly—no complicated processes or lengthy training necessary, which is truly remarkable! Effortlessly transfer marketing leads to your CRM, log leads or purchases into a spreadsheet, and synchronize appointments in your CRM and Google Calendar. You can also set up notifications through Email or Slack when a deal is closed and automate invoice creation in QuickBooks. With the ability to connect your apps within five minutes, Integrately stands out as a highly effective tool for anyone aiming to enhance their workflow. The combination of simplicity and quick outcomes makes it a transformative resource for busy professionals seeking to optimize their daily tasks. Furthermore, this accessibility empowers users to focus on strategic initiatives rather than getting bogged down by repetitive tasks.

MuleSoft's Anypoint Platform is an all-encompassing hybrid integration solution designed specifically for service-oriented architecture (SOA), software as a service (SaaS), and application programming interfaces (APIs). This versatile platform equips developers with a wide array of tools that simplify the design, development, and management of APIs, applications, and products throughout their entire lifecycle. At its core, Anypoint Platform is built on open technologies, with Mule serving as its main runtime engine, which guarantees both flexibility and scalability to meet diverse integration needs. Additionally, the platform promotes effective collaboration among teams, resulting in streamlined development processes that enhance productivity and innovation in software projects. By integrating various functionalities, Anypoint Platform stands out as a pivotal resource for organizations aiming to optimize their integration strategies.

With the cutting-edge IBM API Connect, organizations can efficiently secure and oversee every element of their API ecosystem across various cloud infrastructures. This platform enhances both socialization and monetization initiatives, enabling businesses to thrive in the digital landscape. IBM API Connect®, recognized for its comprehensive, user-friendly, and scalable nature, empowers users to develop, securely share, and administer APIs across diverse cloud environments. By doing so, it enables businesses and their clients to drive innovation and develop digital applications effectively. Additionally, IBM API Connect can integrate with other tools as part of an IBM Cloud Pak®, aiding organizations in achieving their application modernization objectives during their cloud transition. Security within IBM API Connect is fortified by the sophisticated IBM® DataPower® Gateway, which features a single, signed, and encrypted gateway, significantly mitigating the risk of cybersecurity threats. With a remarkable 22% market share, it surpasses all competitors, establishing itself as a reliable API solution that safeguards services and data throughout various cloud settings. This comprehensive approach not only enhances security but also empowers companies to innovate and adapt to the rapidly evolving technological landscape.

Diffbot presents a variety of products designed to convert unstructured data found online into organized, contextual databases. Utilizing advanced machine vision and natural language processing technologies, our solutions are capable of analyzing billions of web pages daily. One of our key offerings, the Knowledge Graph, stands as the largest global contextual database, featuring more than 10 billion entities such as individuals, organizations, products, and articles. The innovative scraping and fact-parsing technologies employed by Knowledge Graph connect these entities into cohesive databases, facilitating the integration of over 1 trillion facts from diverse online sources in mere seconds. The Enhance product enriches existing data on people and organizations, enabling users to develop comprehensive profiles about their potential opportunities. Furthermore, our Extraction APIs can target any web page for data extraction, whether it pertains to products, individuals, or articles, thereby broadening the scope of data accessibility for our users. This flexibility ensures that users can tailor their data extraction needs to fit specific requirements.

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.

Choreo is a robust internal developer platform built to accelerate the creation of digital experiences, offering a seamless solution for building, deploying, monitoring, and managing cloud-native applications. By simplifying the development lifecycle, Choreo helps developers focus on delivering high-impact features while increasing overall productivity. The platform provides tools that enhance DevOps workflows, making it easier to deploy and manage applications in dynamic cloud environments. With Choreo, innovation becomes more accessible as the platform streamlines complex processes, providing the necessary resources to build scalable and resilient applications. Whether for cloud-native application development, API management, or system integration, Choreo offers a versatile solution that meets the needs of modern development teams. The platform's ability to automate key tasks ensures that teams can spend more time on building solutions and less on managing infrastructure. By facilitating integration and providing comprehensive monitoring features, Choreo helps teams improve their development efficiency and adapt quickly to changing requirements. With Choreo, businesses can accelerate time-to-market and stay competitive in the ever-evolving tech space.

Transform your API experience by leveraging our comprehensive, enterprise-level One APIMarketplace, designed to streamline consumption, promote collaboration, and enhance the overall developer experience. This innovative platform addresses challenges associated with API sprawl and reduces complexities by operationalizing APIs, making them easily discoverable, consumable, and accessible for teamwork. By facilitating a quicker time to market, One APIMarketplace significantly enhances API adoption through improved accessibility, detailed performance metrics, and heightened consumption rates. Empower developers with comprehensive documentation, community engagement, essential resources, SDKs, and sandbox environments to accelerate the adoption process even further. One APIMarketplace not only simplifies the process of discovering and using APIs but also ensures a smooth experience for both developers and enterprises alike. With thorough documentation and the option to test APIs in a sandbox environment before full integration, users can advance their projects with confidence. Moreover, our powerful analytics dashboard delivers crucial insights into API utilization, performance metrics, and user engagement, enabling strategic decision-making. This holistic approach ensures that your API initiatives are not only efficient but positioned for success in a dynamic digital landscape.

Quickly design, deploy, and scale web applications and APIs tailored to your needs. Leverage various frameworks including .NET, .NET Core, Node.js, Java, Python, or PHP, whether utilizing containers or operating on Windows or Linux systems. Meet rigorous enterprise-level benchmarks for performance, security, and compliance through a dependable, fully managed service that handles over 40 billion requests each day. This service offers automated infrastructure management, security enhancements, and scalability capabilities. It also provides integrated continuous integration and continuous deployment support, guaranteeing deployments without downtime. With robust security protocols and compliance certifications such as SOC and PCI, you can ensure smooth deployment across public cloud settings, Azure Government, and private infrastructures. Feel free to use your existing code or container with your chosen framework. Boost developer productivity with seamless integration into Visual Studio Code and Visual Studio. Furthermore, streamline CI/CD processes with a variety of tools including Git, GitHub, GitHub Actions, Atlassian Bitbucket, Azure DevOps, Docker Hub, and Azure Container Registry, promoting greater collaboration and efficiency among teams. Enjoy the freedom to select the tools that align best with your project requirements, allowing for a more personalized development experience. This adaptability not only enhances project outcomes but also encourages innovation in your development processes.

Tailor the platform to reflect your brand identity while ensuring all vital components are in place for effortless API integration. Create a swift and personalized onboarding experience that leads users from their first encounter with your service to complete integration. Keep an eye on user interactions within your platform and monitor API usage in real-time. Enable live testing capabilities, provide extensive management options for API keys, and include pre-built code snippets for convenience. Establish a notification system for sending emails, alerts, and updates based on API activity. Choose the most effective monetization model and test out different pricing options to find what works best. Strive for rapid accomplishment of the first API call while providing a distinctive user experience. Regularly upgrade your developer portal and pricing models to promote business growth, ensuring that your service developments are in line with user requirements and current market dynamics. Furthermore, continually solicit feedback from users to refine the integration process and improve overall satisfaction.

Identify the most appropriate APIs for your application to streamline its functionality by delegating non-essential features, resulting in more efficient applications. Testing and running our APIs require no programming skills, making them accessible regardless of your coding experience or preferred language. Integration is straightforward, allowing you to manage all your APIs from a unified platform. Our robust encryption and top-tier security measures ensure that your data remains protected and secure. You can depend on one provider to meet all your API requirements, no matter which technology stack you use. This approach not only enhances your productivity but also speeds up the development of your projects, enabling you to focus on what truly matters. Embracing these APIs can be a game-changer for your workflow.

Apyflux, an advanced API Marketplace, was designed by developers specifically for their peers to facilitate the interaction between API providers and software creators. It serves as a bridge connecting global API publishers with developers engaged in crafting cutting-edge applications. With a suite of powerful features, Apyflux ensures API discoverability and provides secure payment processing options. Additionally, it includes lifecycle management tools that cover subscription management, usage tracking, and ongoing technical assistance. Developers have the opportunity to investigate a variety of APIs tailored to various purposes, including data extraction, user authentication, and financial analytics, while benefiting from features such as real-time monitoring and comprehensive API documentation. By making the integration of APIs straightforward, Apyflux empowers developers to efficiently create and expand their applications, thus enhancing their productivity and innovation potential. The platform's commitment to developer needs signifies a significant advancement in API utilization.