Best Free API Marketplaces

Zapier is an AI-powered automation platform designed to help teams safely scale workflows, agents, and AI-driven processes. It connects over 8,000 apps into a single ecosystem, allowing businesses to automate work across tools without writing code. Zapier enables teams to build AI workflows, custom AI agents, and chatbots that handle real tasks automatically. The platform brings AI, data, and automation together in one place for faster execution. Zapier supports enterprise-grade security, compliance, and observability for mission-critical workflows. With pre-built templates and AI-assisted setup, teams can start automating in minutes. Trusted by leading global companies, Zapier turns AI from hype into measurable business results.

Make is a visual platform for anyone to design, build, and automate anything—from tasks and workflows to apps and systems—without coding. SMBs, startups, scaleups, teams, and enterprises around the world use Make to scale their business faster than ever. Make enables people to connect and create workflows at the speed of their ideas. With Make, anyone can build like a developer, launching solutions across all industries and business areas at a fraction of the cost and time. Make allows teams to visualize, modify, and collaborate on processes that scale as quickly as their organization. Whether you’re integrating sales and marketing tools, automating a customer journey, improving business operations, or building a custom back-end system—creating on Make is powerful, intuitive, and playful. As our Maker community has shown us, when the experience of building sparks as much joy as the solution, there are no limits to what's possible.

Integrately helps you in automating your manual tasks in just a click. It is built for business, professionals and owners who wish to automate their processes quickly and easily. No need to hire coders! Just select your apps and choose from over 250K+ ready to use 1 click integrations and activate them and you are good to go! With Integrately, you can integrate apps like Salesforce, Google, Hubspot, and Facebook to move your data automatically and thus save your precious time and money. Search from 250,000+ fully ready integrations, and activate them in 1 click! Ready mappings, no steps to perform, nothing to learn, isn't that awesome? Send marketing leads to your CRM. Add your leads/purchases to spreadsheet. Update meetings in CRM & Google calendar. When Deal is won, notify via Email/Slack. Automatically create invoices in Quickbooks. Integrately has zero learning curve, you can connect your apps in next 5 minutes.

MuleSoft is an agentic control plane designed to help enterprises govern, orchestrate, and secure AI agents, APIs, applications, models, and data across complex digital environments. The platform supports multi-agent governance, API management, integration, automation, and gateway federation from one unified control plane. With solutions such as MuleSoft Agent Fabric, MuleSoft Omni Gateway, Agent Registry, Agent Scanners, and Agent Broker, organizations can discover agents, manage interactions, reduce shadow AI, and coordinate workflows across ecosystems. MuleSoft also helps teams turn existing APIs and applications into governed tools that AI agents can safely discover and use. Its platform supports developers and business users with natural language development, prebuilt connectors, monitoring, API governance, and integration tools. MuleSoft is built to help enterprises scale AI adoption with stronger compliance, observability, security, and operational confidence.

IBM API Connect is a scalable API solution that helps organizations implement a robust API strategy by creating, exposing, managing and monetizing an entire API ecosystem across multiple clouds. As businesses embrace their digital transformation journey, APIs become critical to unlock the value of business data and assets. With increasing adoption of APIs, consistency and governance are needed across the enterprise. API Connect aims to help businesses to get new features to market fast, maintain continuous availability, meet changing user needs, and spur innovation.

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.

Choreo is an internal developer platform designed to accelerate the creation of digital experiences. With Choreo, you can effortlessly build, deploy, monitor, and manage your cloud native applications. Choreo enhances developer productivity and enables innovation. Choreo can be used for: - Cloud native application development - DevOps - API management - Integration

Fit it to your brand and provide all features needed for easy API adoption. Provide a fast and personalized onboarding experience from discovery to integration. Analyze your portal user’s behavior and API real-time usage. Enable live testing, built-in API key management, and code snippets. Send emails, alerts, and communications based on API usage. Choose the right monetization model and try different pricing options. Provide the fastest time to the first call and a personalized experience. Keep on improving your developer portal & pricing to scale your business.

DigitalAPI is a unified API management platform designed to help organizations manage the full lifecycle of APIs, events, and agents across multiple environments. It centralizes API discovery, governance, deployment, and monetization into a single control plane. The platform enables businesses to manage APIs across different gateways and cloud infrastructures with enhanced visibility and control. It includes tools like a lightweight API gateway, developer portal, and external API marketplace for improved accessibility and adoption. DigitalAPI also supports AI-ready capabilities, allowing APIs to be integrated with agent-based workflows and automation. Its governance features ensure security, compliance, and structured API management at scale. Overall, DigitalAPI helps organizations streamline API operations and unlock new revenue opportunities.

Nokia API Hub is a comprehensive API marketplace and management platform that allows developers and organizations to discover, connect to, test, and manage thousands of APIs within a single unified environment. It functions as one of the world’s largest API hubs, enabling users to access and integrate APIs using a standardized format and a single API key, simplifying the process of working with multiple external services. It provides tools for API discovery, allowing users to search and evaluate APIs for different use cases, as well as built-in testing capabilities to send requests and inspect responses directly from the browser before integration. It also includes a centralized dashboard for monitoring API performance, tracking metrics such as usage, latency, and error rates, and managing subscriptions and access. Developers can publish their own APIs to the hub, control access (public or private), and monetize them while handling user management and more.

The ApyHub Marketplace is a one-stop platform where developers can discover, integrate, and monetize APIs effortlessly. Designed to eliminate the hassle of building and managing essential services, ApyHub provides a curated catalog of high-quality APIs, covering a wide range of use cases. ApyHub offers ready-to-use APIs across multiple categories, allowing developers to streamline their workflows and focus on real innovation.

Apyflux is a modern API marketplace crafted by developers, for developers, to simplify the exchange of APIs between publishers and users. It acts as a bridge, connecting global API publishers and software developers building innovative products. Apyflux offers robust features such as comprehensive API discoverability, secure payment gateways, and lifecycle management tools, including subscription handling, usage analytics, and technical support. Developers can explore APIs for diverse use cases like data scraping, user authentication, and financial insights while benefiting from features like low-latency endpoints, real-time monitoring, and detailed API documentation. With Apyflux, integrating APIs becomes a seamless process, empowering developers to build and scale their applications efficiently.

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!