APIMart
One OpenAI-compatible API for 190+ AI models
About APIMart
APIMart is an AI API gateway for developers and teams that want access to many models without managing separate accounts for each provider. Through one OpenAI-compatible endpoint, it offers chat models such as GPT, Claude and Gemini, plus image and video models from providers including Black Forest Labs, ByteDance and Google.
The platform puts keys, billing, usage monitoring and routing into one console, with a single credit balance shared across model families. Teams switching from the OpenAI SDK are told they only need to change the endpoint in one line of code. The site states that pricing sits about 20% below official rates and that users pay only for successful requests.
APIMart also publishes an llms.txt documentation index that can be pasted into coding agents so they can answer questions about its endpoints and models.
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