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Every request to the Fluximage API must be authenticated with an API key passed as a Bearer token in the Authorization header. You generate and manage your key from Dashboard > Settings > API Key. API access requires the Agency plan.

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Sending your API key

Include your key in the Authorization header on every request:

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Example

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API key format

Your API key always starts with flx_live_ followed by 40 hexadecimal characters:
You can identify your key in the dashboard by its masked prefix (for example, flx_live_a3b4c...f8e9).

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Getting your API key

1

Open your dashboard

Log in to your Fluximage account at fluximage.app.
2

Navigate to API settings

Go to Settings > API Key in the left navigation.
3

Generate a key

Click Generate API Key. Your full key is displayed once — copy it immediately.
API key generation requires the Agency plan. If you don’t see the option, upgrade your plan first.
Visit Settings > API Keys to manage your key.

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Error responses

If your key is missing, malformed, or invalid, the API returns:

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Security

Your API key is shown only once when it is generated. Store it in a secure location such as an environment variable or a secrets manager — you cannot retrieve the full key again from the dashboard.
Rolling (regenerating) your key immediately invalidates the previous one. Update all integrations with the new key before regenerating to avoid downtime.