Zerto · Authentication Profile

Zerto Authentication

Authentication

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

CompanyDisaster RecoveryData ProtectionBackupRansomware ResilienceBusiness ContinuityCloud MigrationReplicationInfrastructure

Methods: oauth2, openIdConnect Schemes: 2 OAuth flows: password, refreshToken API key in:

Security Schemes

KeycloakOAuth2 oauth2

BearerToken http

scheme: bearer

Source

Authentication Profile

generated: '2026-07-21'
method: searched
source: https://github.com/ZertoPublic/zerto-api-quickstart/blob/main/GETTING-STARTED.md
docs: https://help.zerto.com/
summary:
  types: [oauth2, openIdConnect]
  api_key_in: []
  oauth2_flows: [password, refreshToken]
schemes:
  - name: KeycloakOAuth2
    type: oauth2
    description: >-
      Zerto appliances (ZVM / Zerto Cloud Appliance / Zerto In-Cloud) embed a Keycloak
      identity provider. Clients obtain a bearer JWT via the OAuth2 Resource Owner Password
      Credentials grant, then send it as `Authorization: Bearer <token>` on every /v1 call.
    flow: password
    token_url: https://<appliance>/auth/realms/zerto/protocol/openid-connect/token
    grant_type: password
    client_id: zerto-client
    realm: zerto
    required_scope: openid
    token_lifetime_seconds: 60
    refresh: refresh_token (returned alongside access_token)
    notes: >-
      scope=openid is REQUIRED — without it the token is issued but /v1/* endpoints reject it.
      Lab/PoC installs may use the built-in `master` realm and `admin-cli` client instead of
      the production `zerto` realm / `zerto-client`.
  - name: BearerToken
    type: http
    scheme: bearer
    bearerFormat: JWT
    description: The Keycloak-issued access_token is presented on all /v1 API calls.
    applied_to: all /v1 endpoints
sources:
  - https://github.com/ZertoPublic/zerto-api-quickstart
  - https://github.com/saackerman/ZertoSwaggerAPI (Zerto-API-10.0-U6-Reference.md)

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