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API keys let you call the Fluximage API directly from your own code, scripts, or third-party integrations — without going through the dashboard. Any HTTP client that can send a request with an Authorization header can use the API.

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Requirements

API keys are available on paid plans. Full API access, including higher rate limits and batch processing, requires the Agency plan. If you are on the Free plan, upgrade to unlock your key.

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Generating a key

1

Open API Key settings

Navigate to Dashboard → Settings → API Key.
2

Generate your key

Click Generate Key. Your new key is displayed immediately in the key field.
3

Copy and store the key

Copy the key and store it somewhere safe — for example, in a secrets manager or your environment variables. You will not be able to view the raw key again after leaving this screen.
Your API key is shown only once, immediately after generation. Fluximage does not store the raw key value. If you navigate away without copying it, you will need to generate a new key.

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Key format

Every Fluximage API key starts with the prefix flx_live_ followed by a 40-character hex string:

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Rolling (regenerating) a key

You can generate a new key at any time using the Roll Key button in Settings. Rolling a key immediately and permanently deactivates your previous key — any request sent with the old key will be rejected.
Rolling your key instantly invalidates the existing key. Update all services, environment variables, and integrations with the new key before rolling, or those integrations will start failing immediately.

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Using your key

Pass your API key in the Authorization header as a Bearer token on every request:

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Example: compress an image