# API broker onboarding
1. sign on WOOFi Pro and create an account following this [user guide](/user-guides/pro.md#getting-started)
2. provide your account ID
Go to "account" tab, and copy the account id in the "API trading" panel. Provide us with your account ID and this account will automatically receive referral fee on a daily basis.
3. provide an referral code
The referral code must follow the format to be 4 to 10 characters long, only in upper case roman characters and numbers. e.g. "IMABROKER" Provide us with the referral code so we can set it up to identify the orders placed through your platform.
4. tag your orders
When placing an order / algo order, you need to input the predefined referral code string into the order\_tag field in order for the system to capture the order for referral fee calculation.
Here are the docs about creating orders:
* [create order](https://orderly.network/docs/build-on-evm/evm-api/restful-api/private/create-order)
* [batch create order](https://orderly.network/docs/build-on-evm/evm-api/restful-api/private/batch-create-order)
5. receive commission
Once the account id and referral code is set up, you will be receiving commission in the account provided on a daily basis around 0UTC.
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