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The Fluximage REST API lets you compress, convert, and AI-enhance images programmatically from any environment that can make HTTP requests. All requests go to the base URL https://fluximage.app and must include a valid API key in the Authorization header. API access is available on the Agency plan.

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Base URL

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Authentication

Every request must include your API key as a Bearer token:
Requests without a valid key return 401 Unauthorized. See the authentication page for details on obtaining and managing your key.

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Available endpoints

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Explore the endpoints

Authentication

Learn how to obtain your API key and authenticate requests.

POST /api/compress

Compress and optimize images with AI-powered features.

GET /api/usage

Check your credit balance and monthly usage.