A provisioning service operating on a remote server is configured to handle provisioning of Internet of Things (IoT) devices, in which IoT devices are configured to execute policies provided by the provisioning service to self-regulate access to an IoT portal. The provisioning service generates an access token and policy which are unique to a trusted platform module (TPM) for a respective IoT device. The TPM executes the policy upon each instance in which the IoT device requires authorization to perform an operation or access the IoT portal. The policy may be configured according to a prepaid or postpaid model. In both models a local counter within the TPM of the IoT device may increment upon each instance of authorization. Under the prepaid model the IoT device may acquire a set number of uses, and under the postpaid model a statement may be generated based on prior usage.
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