Best API proxy AI tools

Edgee is a token compression gateway that reduces LLM prompt costs by up to 50%. Works transparently with coding agents like Claude, Codex, and Cursor.

AIProxy is a secure API proxy for developers, designed to protect AI API keys in mobile and desktop applications. It offers robust security features like split-key encryption, rate limiting, and real-time monitoring, allowing developers to ship AI-powered apps without exposing sensitive credentials. Integration is streamlined with a Swift client library, supporting over 15 AI providers.

GPT4Free offers a free, unrestricted playground for interacting with advanced AI models like GPT-4, GPT-4o, and GPT-3.5. Access the latest language and vision models without logins, APIs, or geographical restrictions. Features include a prompt library, chat organization, custom parameters, and a reverse proxy API for developers, all aimed at democratizing access to powerful AI technology.

API2D is an API aggregator and proxy service that simplifies access to leading AI models like GPT-4, Claude, and Stable Diffusion. It provides a single, unified API key compatible with OpenAI standards, allowing for easy integration into hundreds of existing applications. With a pay-as-you-go pricing model and features like caching and content safety, API2D offers a convenient and cost-effective solution for developers and users to leverage powerful AI capabilities without complex setups or geographical restrictions.

Keywords AI is a comprehensive LLM observability and monitoring platform designed for AI startups and developers. It provides a unified API to deploy, test, monitor, and optimize LLM workflows, supporting over 200 models with a simple, two-line integration to help teams build and ship reliable AI features faster.