Compare the Top API Marketplaces for Windows as of March 2026

What are API Marketplaces for Windows?

API marketplaces are online marketplaces that provide access to Application Programming Interfaces (APIs) for developers. API marketplaces enable developers to integrate different APIs and data and quickly add new features or capabilities into their applications. There is a wide variety of APIs available in API marketplaces, ranging from payment services, content delivery networks, analytics tools, and many more. API Marketplaces are a great resource for software development teams who want to rapidly prototype applications without spending excessive time writing code. Additionally, they can help reduce development costs by offering pay-as-you-go models as well as free plans with basic integration capabilities. Compare and read user reviews of the best API Marketplaces for Windows currently available using the table below. This list is updated regularly.

  • 1
    Datadog

    Datadog

    Datadog

    Datadog is the monitoring, security and analytics platform for developers, IT operations teams, security engineers and business users in the cloud age. Our SaaS platform integrates and automates infrastructure monitoring, application performance monitoring and log management to provide unified, real-time observability of our customers' entire technology stack. Datadog is used by organizations of all sizes and across a wide range of industries to enable digital transformation and cloud migration, drive collaboration among development, operations, security and business teams, accelerate time to market for applications, reduce time to problem resolution, secure applications and infrastructure, understand user behavior and track key business metrics.
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    Starting Price: $15.00/host/month
  • 2
    MuleSoft Anypoint Platform
    Anypoint Platform by MuleSoft is a leading solution for API management, integration, and automation that accelerates IT project delivery. It enables businesses to build, deploy, secure, and manage APIs across any environment, from cloud to on-premises. With support for multiple protocols and integration with CI/CD pipelines, the platform streamlines application development and data transformation. It offers automated security and governance, ensuring compliance with industry standards such as ISO 27001, SOC 2, PCI DSS, and GDPR. Real-time monitoring and analytics help teams manage APIs and troubleshoot issues effectively. Anypoint Platform empowers enterprises to create resilient, scalable, and future-proof digital architectures.
  • 3
    Diffbot

    Diffbot

    Diffbot

    Diffbot provides a suite of products to turn unstructured data from across the web into structured, contextual databases. Our products are built off of cutting-edge machine vision and natural language processing software that's able to parse billions of web pages every day. Our Knowledge Graph product is the world's largest contextual database comprised of over 10 billion entities including organizations, people, products, articles, and more. Knowledge Graph's innovative scraping and fact parsing technologies link up entities into contextual databases, incorporating over 1 trillion "facts" from across the web in nearly live time. Our Enhance product provides information about organizations and people you already hold some information on. Enhance let's users build robust data profiles about opportunities they already hold some data on. Our Extraction APIs can be pointed to a page you want data extracted from. This can be product, people, article, organization page, or more.
    Starting Price: $299.00/month
  • 4
    Locoia

    Locoia

    Locoia

    Locoia (short for: low-code intelligent automation) is a Germany-based all-in-one integration & automation platform (iPaaS) tailored-to-the European market with its special requirements in terms of data protection and GDPR-compliance. Locoia is a fully-fledged iPaaS with everything growth companies, SMEs, and enterprise customers could ask for: 1000+ connectors, incl. old-fashioned ERP systems, a low-code, and drag & drop workflow builder, advanced low-code programming helpers, highly robust, scalable, and secure infrastructure, as well as strong customer support. Due to its low starting price (from $199/month), Germany-based servers, high GDPR & data protection compliance, as well as powerful low-code platform, Locoia is the ideal iPaaS solution for European digital-oriented small-to-medium-sized companies and enterprises that are looking to integrate both cloud & legacy ERPs and systems, have advanced to complex integration and automation needs and value world-class support.
    Starting Price: €199 per month
  • 5
    Jitterbit

    Jitterbit

    Jitterbit

    Jitterbit Harmony is an AI-infused integration and automation platform designed to unify business systems across cloud, SaaS, and on-premise environments. It provides end-to-end workflow automation through products including iPaaS, API Manager, App Builder, and EDI. With a layered AI architecture, Harmony embeds accountable AI agents and assistants directly into integration processes. Drag-and-drop connectors enable rapid deployment and seamless connectivity with thousands of applications such as Salesforce, SAP, Workday, and NetSuite. The platform supports industries ranging from healthcare and manufacturing to retail and logistics. Jitterbit has earned repeated #1 rankings in G2’s Enterprise iPaaS Implementation Index, highlighting customer satisfaction and speed to value. Designed for secure, scalable transformation, Harmony powers integration, automation, and application development within a single unified system.
  • 6
    APILayer

    APILayer

    APILayer

    APILayer is an API marketplace that lists proprietary and third party APIs and makes them available to developers and business to all sizes. With APILayer you can get secure and scalable APIs easily. At APILayer they develop and list only the most reliable APIs for a given topic. The APIs can be tested by using a live demo on the marketplace itself. The APIs come with a guaranteed uptime of 99,9% and a subscription-based support. Enhance the power of your app with APILayer!
    Starting Price: Varies
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