# Club OS

Connecting to Club OS requires an API key and developer credentials (username and password) for each API Middle connects to. Middle's integration with Club OS uses two APIs: v1 and v2.

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### Whitelisting

Reach out, or have the business reach out, to their Club OS rep. It's possible that you or the customer will need to complete a data authorization form. Whitelisting will need to be provided for both v1 and v2 APIs to use all Middle syncs and actions.
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### Attain club ID

You will need to acquire the Club OS club ID for the Club OS instance you are trying to connect to.
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### Connect

In the Middle authentication form, enter the club ID, your Club OS API key  and developer credentials for both v1 and v2 APIs.
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