Welcome to PI Web API

PI Web API is a RESTful PI System access layer that provides a cross-platform programmatic interface to the PI System. With PI Web API, you can develop applications to retrieve and manipulate time-series data from Data Archive, and asset and event-frame data from the PI AF server.

For details about this release, see the Release notes.

Note: Starting with the 2023 release, PI Indexed Search and Search Crawler components are no longer included as part of PI Web API. For additional information, refer to the following article.