Computer systems and methods for providing credit information data are disclosed. In one embodiment, an exemplary method includes generating a first mark up language document in a requestor domain. The credit information query data may include provider identification data to enable identification of a provider of credit information data. The method further includes retrieving a first provider specific transformation document for transforming the first markup language document into a provider domain of the provider and sending the second mark up language document to the provider. The method further includes receiving a third mark up language document carrying the credit information data, where the third mark up language document is in the provider domain. The method further includes retrieving a second provider specific transformation document for transforming the third document into the requestor domain. The method further includes transforming the third mark up document by the second provider specific transformation document.