Best API Marketplaces in the UK

Jitterbit Harmony is a modern integration and automation platform that combines AI accountability with low-code simplicity. Built to connect SaaS, cloud, and on-premise systems, it enables organizations to streamline workflows across every department and industry. Its unified suite includes iPaaS, API Manager, App Builder, and EDI, delivering complete lifecycle integration from data synchronization to app development. The platform’s layered AI architecture introduces intelligent agents and AI assistants that enhance automation while maintaining governance and security. Pre-built connectors and drag-and-drop tools allow teams to integrate applications like Salesforce, SAP, Workday, and Shopify in days rather than months. Harmony supports key use cases such as order-to-cash, lead-to-order, employee expense management, and purchasing workflows. With enterprise-grade scalability and security at its core, it ensures reliable operations across complex digital ecosystems. Jitterbit’s consistent #1 ranking in G2’s Enterprise iPaaS Implementation Index underscores its fast implementation and strong user adoption. The Harmony AI Bundle further accelerates deployment with pre-built AI agents and professional services support. Together, these capabilities position Jitterbit Harmony as a comprehensive foundation for AI-driven business transformation.

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.

Cyclr is an embedded integration toolkit (embedded iPaaS) for creating, managing and publishing white-labelled integrations directly into your SaaS application. With a low-code, visual integration builder and a fully featured unified API for developers, all teams can impact integration creation and delivery. Flexible deployment methods include an in-app Embedded integration marketplace, where you can push your new integrations live, for your users to self serve, in minutes. Cyclr's fully multi-tenanted architecture helps you scale your integrations with security fully built in - you can even opt for Private deployments (managed or in your infrastructure). Accelerate your AI strategy by Creating and publishing your own MCP Servers too, so you can make your SaaS usable inside LLMs. We help take the hassle out of delivering your users' integration needs.

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.

DigitalAPI is a comprehensive API lifecycle management platform that unifies how organizations handle APIs, events, and integrations across multiple gateways and cloud environments. It provides a centralized control plane for API discovery, governance, deployment, and monetization, reducing complexity and improving efficiency. The platform features a lightweight API gateway that allows rapid deployment without heavy development effort. It also includes a developer portal that simplifies API access and onboarding for internal and external users. DigitalAPI offers an external API marketplace where businesses can monetize their APIs and create new revenue streams. Its multi-cloud and multi-gateway capabilities ensure seamless integration and governance across distributed systems. The platform incorporates AI-ready features, enabling automation and interaction with APIs using natural language. It also provides analytics and reporting tools for tracking API usage and performance. With strong governance and security controls, organizations can maintain compliance and reduce risks. Overall, DigitalAPI empowers businesses to modernize their API ecosystem and scale efficiently.

In order to transform into enablers rather than obstacles, numerous IT departments are turning to integration platforms that empower users to independently manage their projects without depending on IT professionals. With challenges like budget cuts, a difficult journey to the cloud, and an ever-growing backlog of projects, IT faces unprecedented pressures. To shift from being seen as a barrier to a vital asset, many IT organizations are adopting solutions that allow for user-driven project completion instead of relying on IT specialists. The Axway Amplify Platform serves as a comprehensive enterprise integration solution designed to simplify integration complexities, uphold IT policies, and scale operations effectively. This platform allows teams to eliminate redundant, one-time integrations and instead concentrate on creating reusable integrations that can be utilized by a broader range of internal and external stakeholders. Additionally, by transitioning on-premises integration systems to the cloud or enhancing them with hybrid deployments, organizations can achieve significant cost efficiencies and enhanced scalability, offering even more advantages for modern business needs.

Explore a wide selection of eCommerce plugins, mobile app templates, PHP, Bootstrap, and various other tools tailored for every budget, crafted by top-tier developers around the globe. Our unique offerings include code, scripts, and plugins that are created by elite professionals in the industry. Each week, our dedicated team meticulously curates a selection of the finest new additions from our extensive library. This platform stands as a premier marketplace for code, scripts, and plugins, showcasing some of the most sought-after items ever created. With comprehensive documentation and support readily available, users can benefit from a community of quality-assured creators and products. Our team diligently evaluates each new submission from our community to ensure they adhere to rigorous standards of design and functionality. Whether you’re looking for PHP scripts or Bootstrap themes, you can always count on discovering exceptional assets developed by talented individuals. Our collection of themes and templates is brought to life by outstanding authors who are leaders in their respective fields. Additionally, with Envato Elements, you can access millions of plugins, WordPress themes, web templates, and much more for a single affordable price, with the flexibility to cancel whenever you wish. This commitment to quality and variety makes finding the perfect resource an enjoyable experience.

This platform offers a testing environment for APIs while also facilitating the management of partners, clients, and your processing preferences. The Open*CP Fintech API Marketplace stands out as one of the few genuine 'REAL Banking-as-a-Service' solutions, supported by a comprehensive digital payments bank. By streamlining access to the entire payments ecosystem, Open*CP Fintech API Marketplace enables established brands and fintech companies to obtain single-source solutions without the need to allocate extensive resources or develop specialized expertise to assemble all the necessary components. With its unique combination of technology, charter, and choice, Open*CP serves as an ideal solution for entrepreneurs seeking a fully integrated offering from a reliable and innovative payments bank. Central Payments is dedicated to enhancing financial experiences for everyone, with a special emphasis on assisting individuals with limited means who have often been excluded from the advantages of affordable and accessible financial products, thus promoting inclusivity in the financial sector. This commitment not only fosters innovation but also strives to create a more equitable financial landscape for all.

Kemiex offers a set digital solutions to help companies buy and trade raw materials more conveniently, with verified trade partners, in the feed, food and vet industries. We also collect and summarize vital information to help you visualize real markets, so that you can connect dots faster than your competitors. Our main priorities are your safety, privacy and neutrality. Your own private platform for interacting with trusted trading partners. Access to global suppliers and customers in a safe and fast way. Compare and analyze +36 price trends, including those for amino acids, vitamins, APIs and freight costs. Our analysts compare the price trends of our customers with a database of thousands neutral data points collected from marketplace transactions. Save time by searching the internet for the latest news from around the globe. We provide immediate access to the latest news in the industry.