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Functor charges two types of fees, collected onchain.

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Key registration fee

Registering a key in the KeyStore costs a flat fee, paid once per key. Rotating or revoking a key does not incur additional fees.

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Per-transaction fee

Every transaction that passes through the FunctorPolicyHook incurs a flat fee, transferred directly from the smart account to the Functor treasury before the transaction executes. If a transaction is blocked by a policy violation, no fee is charged. You only pay for transactions that actually execute.