Platform as a service (PaaS) and software as a service (SaaS), namely, providing online non-downloadable computer software for facilitating access to artificial intelligence models and related data, including monitoring, auditing, and logging data requests and responses; providing online non-downloadable computer software for use in controlling, managing, and operating a gateway that regulates the interaction between software applications and artificial intelligence models; providing online non-downloadable computer software featuring programmable tools for the governance of data exchange, including the ability to flag, edit, redact, or delete sensitive data identified in requests and responses