A method for facilitating provisioning of a token to a token requestor computer, the method comprising: receiving, by a token provider computer, a token request message from a token requestor computer, the token request message comprising an initial access identifier; transmitting, by the token provider computer, the initial access identifier to a first authorization computer; receiving, by the first authorization computer, the initial access identifier from the token provider computer; obtaining, by the first authorization computer, an intermediate access identifier based at least in part on the initial access identifier, the intermediate access identifier having a different format to the initial access identifier; storing, by the first authorization computer, a mapping between the initial access identifier and the intermediate access identifier; transmitting, by the first authorization computer, the intermediate access identifier to the token provider computer; receiving, by the token provider computer, the intermediate access identifier from the first authorization computer; transmitting, by the token provider computer and based at least in part on the intermediate access identifier, a token activation request message to a second authorization computer; receiving, by the token provider computer, a token activation response message from the second authorization computer indicating whether the token activation request was approved or denied; and in a case that the token activation request was approved by the second authorization computer, retrieving, by the token provider computer, from a token vault of the token provider computer, the token; storing, by the token provider computer, a mapping between the intermediate access identifier and the token, based on the token activation response message; providing, by the token provider computer, the token to the token requestor computer. receiving, by a token provider computer, a token request message from a token requestor computer, the token request message comprising an initial access identifier; transmitting, by the token provider computer, the initial access identifier to a first authorization computer; receiving, by the first authorization computer, the initial access identifier from the token provider computer; obtaining, by the first authorization computer, an intermediate access identifier based at least in part on the initial access identifier, the intermediate access identifier having a different format to the initial access identifier; storing, by the first authorization computer, a mapping between the initial access identifier and the intermediate access identifier; transmitting, by the first authorization computer, the intermediate access identifier to the token provider computer; receiving, by the token provider computer, the intermediate access identifier from the first authorization computer; transmitting, by the token provider computer and based at least in part on the intermediate access identifier, a token activation request message to a second authorization computer; receiving, by the token provider computer, a token activation response message from the second authorization computer indicating whether the token activation request was approved or denied; and in a case that the token activation request was approved by the second authorization computer, retrieving, by the token provider computer, from a token vault of the token provider computer, the token; storing, by the token provider computer, a mapping between the intermediate access identifier and the token, based on the token activation response message; providing, by the token provider computer, the token to the token requestor computer.