Smartsheet · Authentication Profile

Smartsheet Authentication

Authentication

Smartsheet secures its APIs with http and oauth2 across 2 declared security schemes, as derived from its OpenAPI definitions. OAuth 2.0 is offered via the authorizationCode flow(s).

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Methods: http, oauth2 Schemes: 2 OAuth flows: authorizationCode API key in:

Security Schemes

ApiToken http
scheme: bearer
OAuth2 oauth2
· flows: authorizationCode

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/smartsheet-openapi.yml
summary:
  types:
  - http
  - oauth2
  oauth2_flows:
  - authorizationCode
schemes:
- name: ApiToken
  type: http
  scheme: bearer
  description: Smartsheet API access token sent in the Authorization header as a Bearer token.
  sources:
  - openapi/smartsheet-openapi.yml
- name: OAuth2
  type: oauth2
  flows:
  - flow: authorizationCode
    authorizationUrl: https://app.smartsheet.com/b/authorize
    tokenUrl: https://api.smartsheet.com/2.0/token
    scopes: 10
  description: Smartsheet OAuth 2.0 authorization.
  sources:
  - openapi/smartsheet-openapi.yml