Best Free API Gateways of 2026 - Page 2

Crazyrouter serves as an AI API gateway that provides developers with seamless access to over 300 AI models through a single API key, making it easier to integrate various AI technologies. It is fully compatible with the OpenAI SDK format and supports a wide array of models, including GPT-5, Claude, Gemini, DeepSeek, Llama, Mistral, and many others, all while offering pricing that can be as much as 50% lower than if purchased directly from the providers. Key Features: • One API key grants access to more than 300 models (including OpenAI, Anthropic, Google, Meta, etc.) • OpenAI-compatible API format allows for a hassle-free transition without requiring code modifications • Flexible pay-as-you-go pricing structure with no need for monthly subscriptions • Integrated load balancing, failover solutions, and management of rate limits • A real-time dashboard for monitoring usage and tracking tokens • Compatibility with text, image, video, audio, and embedding models • Reliable enterprise-grade uptime supported by multi-region infrastructure This solution is perfect for developers, startups, and teams who are keen to explore multiple AI models without the complications of managing individual API keys and billing accounts, allowing them to focus more on innovation and development.

RouterBase serves as a comprehensive API gateway, allowing developers and teams to utilize over 200 AI models, including well-known options like GPT, Claude, Gemini, Llama, Mistral, and DeepSeek, all through one OpenAI-compatible endpoint. This eliminates the need for managing different keys and billing systems for each model, as switching between them is as simple as changing a single configuration line. Additionally, RouterBase enhances functionality with intelligent routing, built-in failover capabilities across various providers, and consolidated billing, ensuring that your application remains operational even in the event of an upstream provider failure. Moreover, a free tier is offered with no requirement for a credit card, making it accessible for users to explore the service. With RouterBase, developers can streamline their workflow and focus on building innovative applications without the hassle of juggling multiple integrations.

ReefAPI provides developers with a single connection to over 250 live web-data APIs, eliminating the need to create and manage individual scrapers for each website. It encompasses various categories such as e-commerce and marketplaces, social media, real estate, job listings, travel, news, finance, and company and domain intelligence. Each API delivers well-structured JSON data using a consistent request format, while a remote MCP server enables AI assistants to access these APIs directly. There is a free tier available, and no credit card is required to get started. This streamlined approach significantly enhances efficiency and reduces the complexity of data extraction for developers.

Fusio is an open-source platform designed for API management, enabling users to create and oversee REST APIs effectively. With Fusio, you can swiftly develop a cutting-edge API, establish a dedicated developer portal, and explore monetization options for your API. The platform features an intuitive backend that facilitates comprehensive control and management of the entire API lifecycle. Additionally, Fusio includes a developer portal application that streamlines the setup of your API program, serving as a hub for developers to register and access your API. Out of the box, Fusio offers a variety of pre-built actions for a range of tasks, such as proxying HTTP requests to an internal API or generating an API from a database table. This functionality enables you to create APIs in a Low-Code manner, minimizing the need for complex coding. Furthermore, Fusio's Worker-System supports the development of actions in multiple programming languages, currently including Java, Javascript, PHP, and Python, allowing for versatility in API development. By leveraging these features, developers can efficiently bring their API ideas to life while maintaining flexibility in their coding preferences.