Compare the Top API Marketplaces as of June 2025

What are API Marketplaces?

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 currently available using the table below. This list is updated regularly.

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    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 complete hybrid enterprise integration platform for SOA, SaaS, and APIs. With AnyPoint, developers can access a wide range of tools that enables them to design, build, and manage the entire lifecycle of their APIs, applications and products. Anypoint Platform is built with open technologies, with Mule as its core runtime engine.
  • 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
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    Jitterbit

    Jitterbit

    Jitterbit

    Easily connect SaaS, cloud and on-premises applications. Instantly infuse intelligence into any business process. Rapidly create new APIs from any existing enterprise application or data. Combine them with external APIs to launch innovative new solutions. Imagine if you could connect your SaaS, on-premises and cloud applications in days versus months. Think how empowering it would be to reuse trusted applications and extend them easily via APIs to create innovative new solutions. Now consider if you could infuse all of this with artificial intelligence. The result: you would accelerate innovation, deliver richer customer experiences and take immediate advantage of new business opportunities. Learn how Jitterbit Harmony has combined APIs, integration and artificial intelligence into one seamless API integration platform.
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