generated: '2026-08-30'
method: searched
source: https://help.tellius.com/api/authentication-api-login-api
docs:
- https://help.tellius.com/api/authentication-api-login-api
- https://help.tellius.com/api/ml-model-apis
- https://help.tellius.com/kaiya/tellius-mcp-server
- https://help.tellius.com/settings/security/authentication
- https://help.tellius.com/settings/security/sso-configuration
name: Tellius authentication profile
note: 'Derived from Tellius'' published API and security documentation plus a live
  probe of a Tellius deployment''s OAuth metadata. There is no OpenAPI definition, so
  no securitySchemes block exists to derive from; derive-authentication.py had no
  spec to read.'

schemes:
- id: telliusJwt
  type: http
  scheme: bearer
  bearerFormat: JWT
  applies_to: Insights APIs, Search APIs, and the wider backend REST surface
  issuance:
    operation: 'POST https://{tellius-deployment-host}/api/auth/login'
    content_type: application/json
    request: '{"username": "...", "password": "..."}'
    response: '{"id": "<uuid>", "message": "Login successful", "token": "<jwt>"}'
    required_headers:
    - name: csrf
      note: 'Docs: "Make sure the csrf header is passed (usually found in the page
        source when you are logged into Tellius)." No programmatic way to obtain the
        CSRF value is documented, which is the single largest friction point for a
        headless integrator on this surface.'
  usage: 'Authorization: Bearer <token> on each call. The Insights API examples show
    the token sent as a bare Authorization value without the Bearer prefix; the docs
    are inconsistent here.'
  expiry: 'Documented only as a "temporary access token". No lifetime, no refresh
    operation is published for this scheme.'
- id: telliusSession
  type: cookie
  applies_to: browser-based applications
  issuance: 'POST /api/auth/login with "session": true in the body.'
  note: 'Tellius creates a server-side session and manages authentication via cookies;
    no Authorization header is then needed. Recommended by the docs for browser apps.'
- id: telliusOAuthClientCredentials
  type: oauth2
  flow: clientCredentials
  applies_to: ML Model APIs (/proxy/ml/external/*)
  token_endpoint: 'POST https://{tellius-deployment-host}/oauth/client_credentials_token'
  content_type: application/x-www-form-urlencoded
  parameters:
  - client_id
  - client_secret
  - grant_type (must be client_credentials)
  response: '{"access_token": "...", "refresh_token": "...", "token_type": "bearer"}'
  refresh:
    endpoint: 'POST https://{tellius-deployment-host}/oauth/refresh_token'
    parameters:
    - refresh_token
    - secret
    - grant_type (must be refresh_token)
  scopes: []
  scopes_note: 'No scope parameter is documented for this flow.'
- id: telliusMcpOAuth
  type: oauth2
  flows:
  - authorizationCode
  - clientCredentials
  applies_to: the Tellius MCP server at /mcp
  pkce: S256
  scopes:
  - mcp
  authorization_endpoint: https://{tellius-deployment-host}/oauth/authorize
  token_endpoint: https://{tellius-deployment-host}/oauth/token
  registration_endpoint: https://{tellius-deployment-host}/oauth/register
  dynamic_client_registration: true
  discovery:
    authorization_server_metadata: /.well-known/oauth-authorization-server
    protected_resource_metadata: /.well-known/oauth-protected-resource
    standards:
    - RFC 8414
    - RFC 9728
    - RFC 7591
    - RFC 7636
  method: probed
  probe:
    url: https://qa1.dev.tellius.com/mcp
    http_status: 401
    www_authenticate: 'Bearer resource_metadata="https://qa1.dev.tellius.com/.well-known/oauth-protected-resource"'
    date: '2026-08-30'
  note: 'This is the strongest auth surface Tellius ships and the only one that is
    fully machine-discoverable. Browser sign-in needs no administrator; client
    id/secret credentials are created by an administrator under Admin Settings for
    headless clients.'

end_user_authentication:
  note: 'Platform sign-in, distinct from API credentials. Configured under Settings →
    Security.'
  methods:
  - Default (local Tellius accounts)
  - LDAP
  - SAML 2.0 (Okta, Azure AD, OneLogin named in the docs, with auto-provisioning)
  - OIDC (Okta, Google, Azure AD named)
  - Azure AD
  docs: https://help.tellius.com/settings/security/sso-configuration

embedded_authentication:
  note: 'Embedded Vizpads, Insights, Search, Assistant, Kaiya and Feeds authenticate
    through the embedding URL plus postMessage, with row-level policy filters applied
    per userId token.'
  docs: https://help.tellius.com/embedding-tellius/embedding-url

authorization:
  model: 'User-scoped. Every API and MCP request runs as a specific Tellius user;
    Business View permissions, security tags, groups and row-level security policies
    determine what that user can read.'
  docs: https://help.tellius.com/settings/users-and-access/security-tags

gaps:
- 'No public token-lifetime, rotation or revocation policy for the JWT login scheme.'
- 'The csrf header requirement on /api/auth/login is documented as something you find
  in page source, with no headless path stated.'
- 'A single "mcp" scope covers every MCP tool including the destructive ones.'
- 'No API-key scheme is offered for server-to-server REST use outside the ML endpoints.'