Smartsheet REST API
REST API v2.0 for managing sheets, rows, columns, cells, reports, workspaces, folders, users, groups, attachments, discussions, automation rules, and webhooks. Authentication uses OAuth 2.0 or Bearer access tokens.
Documentation
Documentation
https://developers.smartsheet.com/api/smartsheet/openapi
APIReference
https://smartsheet.redoc.ly/
GettingStarted
https://developers.smartsheet.com/api/smartsheet/introduction
Authentication
https://developers.smartsheet.com/api/smartsheet/guides/basics/authentication