Total Products under this Category: 59
Last updated: September 01, 2026
Why You Can Trust G2's Software Rankings:
G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.
Highlighted products: Zapier, Apify, Celigo, MuleSoft Anypoint Platform, Google Cloud APIs, Azure App Service, Datadog, and Make.
Underlying data: [Grid® JSON](https://www.g2.com/categories/api-marketplace/grids.json?focus%5B%5D=zapier&focus%5B%5D=apify&focus%5B%5D=celigo&focus%5B%5D=mulesoft-anypoint-platform&focus%5B%5D=google-cloud-apis&focus%5B%5D=azure-app-service&focus%5B%5D=datadog&focus%5B%5D=integromat-by-celonis-make)
Reduce prototype time without compromising on quality and documentation. Free yourself from the drudgery of api plumbing
APYFLUX is a next-generation API marketplace designed by developers, for developers. It bridges the gap between API publishers and users, enabling seamless collaboration. With global software developers and API companies creating meaningful APIs everyday, Apyflux makes these APIs easily discoverable and accessible for products to enhance and scale their features. The platform streamlines the entire API lifecycle—from discovery and subscription to payments and technical support—empowering developers to build smarter, faster.
Fusion is an all in one API Client enabling teams to Build, Test, Document and Collaborate on APIs in real-time.
Built for modern architectures, Helix is a fast and easy-to-use API gateway with zero learning curve. It supports MCP out of the box and also offers an in-built marketplace for monetisation.
JoJ API is an API marketplace. Providers publish and monetize their APIs through our gateway — with per-object metering, fixed or pay-as-you-go plans and monthly payouts. Consumers subscribe to those APIs and call them all with a single API key and a shared wallet.
Mashape is an API marketplace, powering thousands of APIs and applications.
The easiest way to connect with APIs.
Prompt Attack is your marketplace for buying and selling AI prompts, creating a hub for your AI interaction needs.
SaaS Industries, founded in 2019 and headquartered in Vienna, Austria, specializes in developing productivity-enhancing web APIs and cloud-based SaaS applications tailored for software developers. Their offerings include a range of off-the-shelf, cloud-based API products designed to automate tasks and verify data, thereby assisting clients in addressing daily business challenges. Key Features and Functionality: - Automated APIs: Provides a suite of APIs that streamline various business processes, reducing manual effort and increasing efficiency. - Data Verification Tools: Offers tools to ensure data accuracy and integrity, crucial for reliable business operations. - Cloud-Based Solutions: Delivers scalable and accessible services through cloud infrastructure, facilitating seamless integration and deployment. Primary Value and Problem Solved: SaaS Industries' products empower software developers by automating routine tasks and ensuring data accuracy, leading to enhanced productivity and operational efficiency. By providing reliable and scalable cloud-based APIs, they enable businesses to focus on core activities without the burden of managing complex backend processes.
Unified AI API marketplace for accessing 50+ image, video, and text generation models through one API key, with cost-optimized routes that help reduce generation costs by up to 70%.
Yappes is a next-gen, unified API Management Platform built to drive revenue growth, simplify integrations, and cut costs & time-to-market. Architected to support the entire API lifecycle, Yappes eliminates complexities in API security, governance, management, and monetisation. Key Features: ✅ Private API Marketplace - Secure distribution, monetisation, and automated billing ✅ API Gateway - Advanced security, mediation, and data transformation ✅ API Manager - Simplified design, documentation, and version control ✅ Monitoring & Enforcement - Real-time policy checks and enforcement ✅ Analytics - Actionable data-driven insights into API performance Yappes isn’t just an API management tool, it’s your competitive advantage!
The US Zip Code API, which encompasses multiple endpoints, supplies an enhanced JSON-formatted data model for United States zip code information. Employing REST design principles, this versatile API enables you to integrate essential functionalities like zip code validations, city searches, distance calculations, radius searches, and more into your applications.
