Best Free API Marketplaces of 2025

Link your applications and streamline your processes with ease. Designed for those with busy schedules, Zapier automates the transfer of information between your web applications, allowing you to concentrate on what matters most. With just a few clicks, you can connect your online tools so they can exchange data effortlessly. Information flows between your applications through automated workflows known as Zaps. Accelerate your projects and enhance productivity without the need for programming skills. Explore how Zapier democratizes automation for everyone. Continue using the tools you love while benefiting from the extensive connectivity Zapier offers, as it integrates with more web applications than any other service and continually adds new ones weekly. Our platform works seamlessly with popular applications like Facebook Lead Ads, Slack, Quickbooks, Google Sheets, Google Docs, and many more! The intuitive editor is designed for self-service automation, enabling you to establish Zaps without needing a developer's assistance. Leverage Zapier’s built-in tools to craft robust workflows without relying on additional services. Over 3 million users trust Zapier to handle their repetitive tasks efficiently. Furthermore, Zapier Agents empower businesses to automate real-world operations by developing custom AI-driven teammates, enhancing both productivity and innovation. In this way, Zapier not only simplifies automation but also expands the horizons of what teams can achieve together.

Make is a visual platform that allows anyone to design, build and automate anything, from workflows and tasks to apps and systems. It does not require any coding. Make is used by SMBs, scaleups and teams worldwide to scale their businesses faster than ever. Make allows people to connect and create workflows at lightning speed. Make allows anyone to build like a developer and launch solutions across all industries and business areas at a fraction the cost and time. Make allows teams to visualize and modify processes, and collaborate on them so they can scale as fast as their company. You can integrate sales and marketing tools, automate a customer journey, improve business operations, or build a custom backend system. Making on Make is intuitive, playful, and powerful. Our Maker community has shown us that when building brings out joy, there is no limit to what is possible.

APILayer is an API marketplace which lists third-party and proprietary APIs and makes them accessible to developers and businesses of all sizes. APILayer makes it easy to get secure, scalable APIs. APILayer only lists the most reliable APIs on a topic. You can test the APIs by downloading a demo from the marketplace. The APIs are guaranteed to be up and running at 99.9% with subscription-based support. APILayer can help you increase the power of your app!

Integrately simplifies the automation of your manual tasks with just a single click. Designed for businesses, professionals, and entrepreneurs seeking a quick and easy way to streamline their operations, it eliminates the need for coding expertise. All you have to do is select your applications and choose from over 250,000 ready-to-use one-click integrations to activate them effortlessly! By utilizing Integrately, you can seamlessly connect apps like Salesforce, Google, Hubspot, and Facebook, allowing for automatic data transfers that ultimately save you valuable time and resources. With a vast selection of fully prepared integrations at your fingertips, you can activate them in a single click—no complicated steps or extensive learning required, and isn’t that incredible? You can effortlessly send marketing leads to your CRM, log leads or purchases into a spreadsheet, and synchronize meetings in both your CRM and Google Calendar. Additionally, you can set up notifications via Email or Slack when a deal is won and even automate the creation of invoices in Quickbooks. With Integrately, you can connect your apps in as little as five minutes, making it an incredibly efficient solution for anyone looking to optimize their workflow. The ease of use and immediate results make it a game changer for busy professionals.

Anypoint Platform from MuleSoft is a comprehensive cloud-based integration and API management platform designed to speed up digital transformation efforts. It allows developers to build APIs quickly using pre-built assets or from scratch, supports data transformation, testing, and seamless integration into CI/CD workflows with tools like Maven and Jenkins. Deployments can be made on CloudHub, Docker, Kubernetes, or on-premises, offering flexibility across various architectures. The platform secures enterprise integrations with automated policies and format-preserving tokenization, helping organizations meet strict compliance requirements including GDPR and PCI DSS. Teams can manage and monitor APIs centrally with contextual analytics and real-time operational insights. Anypoint also enables discovery and reuse of APIs and integration assets through customizable marketplaces, boosting developer productivity. Enterprises like Airbus have accelerated IT project delivery significantly by leveraging its reusable assets and scalable infrastructure. With its robust security, operational resilience, and developer-friendly tools, Anypoint Platform is designed to support modern enterprise needs.

With industry-leading IBM API Connect, you can expertly secure and manage all aspects of your API ecosystem across multiple cloud platforms. This includes boosting socialization efforts and monetization efforts. IBM API Connect®, a complete, intuitive, and scalable API platform, allows you to create, securely expose and manage APIs across multiple clouds. This allows you and your customers to power digital applications and encourage innovation. IBM API Connect can also be used with other capabilities as an IBM Cloud Pak®, which can help you reach your application modernization goals in your journey to the cloud. IBM API Connect security is built using the advanced IBM(r] DataPower(r] Gateway. It comes with a single, signed and encrypted gateway that greatly reduces the risk of cybersecurity incidents. IBM API Connect has 22% market share, more than any competitor1.1 It's a trusted API solution that manages and protects services and data across multiple cloud environments.

Diffbot offers a range of products that can transform unstructured data across the internet into structured, contextual databases. Our products are built on cutting-edge machine vision software and natural language processing software, which is able to parse billions upon billions of web pages each day. Our Knowledge Graph product is the largest global contextual database, containing over 10 billion entities, including people, organizations, products, articles, and other entities. Knowledge Graph's innovative scraping technology and fact parsing technology link entities into contextual databases. This allows for the incorporation of over 1 trillion "facts", from all over the internet, in just a few seconds. Enhance provides information about people and organizations that you already have information on. Enhance allows users to create robust data profiles about the opportunities they have. Our Extraction APIs may be pointed to any page you wish data extracted from. This could be product, people or article.

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.

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.

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.

Elevate your API journey, streamline consumption, foster collaboration, and enhance developer experience with our versatile, enterprise-grade One APIMarketplace. This platform mitigates API sprawl and simplifies complexities by operationalizing APIs, ensuring they are easily discoverable, consumable, and accessible for collaboration. By enabling faster time to market, One APIMarketplace effectively boosts API adoption through improved accessibility, insightful performance metrics, and increased consumption rates. Equip developers with user-friendly documentation, community support, valuable resources, SDKs, and sandbox environments to further expedite API adoption. One APIMarketplace not only simplifies the discovery and utilization of APIs but also guarantees a seamless experience for both developers and enterprises. With extensive documentation available and the ability to test APIs in a sandbox prior to integration, users can confidently proceed with their projects. Additionally, our robust analytics dashboard provides vital insights into API usage, performance metrics, and user engagement, allowing for informed decision-making.

Find the APIs which are best suited to your application. Offload non-core features to build leaner applications. No coding is required to test and run our APIs. No matter what programming language you prefer or your background in development, our APIs can be easily integrated. Simplify your API management with a single platform. With encryption and protection methods that are industry-leading, you can secure and safeguard your data. You can rely on a single provider for all of your API needs, regardless of your tech stack. Boost your productivity and accelerate your development projects.

Apyflux is an innovative API marketplace designed specifically for developers, aiming to streamline the process of API exchange between publishers and users. Serving as a connector, it links API publishers from around the world with software developers who are creating cutting-edge products. The platform is equipped with essential features such as extensive API discoverability, safe payment options, and tools for managing the entire API lifecycle, which includes subscription management, usage analytics, and responsive technical support. Developers have the opportunity to discover APIs tailored for various applications, including data scraping, user authentication, and financial analytics, while enjoying advantages like low-latency endpoints, real-time monitoring, and thorough API documentation. By utilizing Apyflux, the integration of APIs transforms into a smooth experience, enabling developers to efficiently construct and expand their applications. Additionally, the marketplace fosters collaboration and innovation, making it easier for developers to access the resources they need to succeed in their projects.