What is the PI Web API 2018 SP1 Swagger Spec base URL?

The PI Web API 2018 SP1 Swagger Spec base URL is https://devdata.osisoft.com/piwebapi

PI Web API 2018 SP1 Swagger Spec — Base URL, Auth & Endpoints

Quick Reference

Base URL https://devdata.osisoft.com/piwebapi Auth type none Auth header # No auth required Rate limit See documentation Pricing Enterprise / contact sales Free quota None Documentation https://techsupport.osisoft.com/ Endpoint status Unreachable — No response — server may be down or blocking automated probes (checked Mar 29, 2026) Builder score D 31% builder-friendly

Pricing

28

Latency

0

Depth

57

Authentication

No authentication required

# No auth required

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free — open public API, no authentication required.

Key Endpoints

Method	Path	Description
GET	`/`	Get top level links for this PI System Web API instance.
GET	`/analyses`	Retrieve an Analysis by path.
GET	`/analyses/search`	Retrieve analyses based on the specified conditions. By default, returns all analyses.
DELETE	`/analyses/{webId}`	Delete an Analysis.
GET	`/analyses/{webId}`	Retrieve an Analysis.
PATCH	`/analyses/{webId}`	Update an Analysis.
GET	`/analyses/{webId}/categories`	Get an Analysis' categories.
GET	`/analyses/{webId}/security`	Get the security information of the specified security item associated with the Analysis for a specified user.

Sample Request

curl -X GET 'https://devdata.osisoft.com/piwebapi/' \
  -H '# No auth required'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official PI Web API 2018 SP1 Swagger Spec documentation.